diff --git a/lci/.gitignore b/lci/.gitignore index cf572b2..3294ae4 100755 --- a/lci/.gitignore +++ b/lci/.gitignore @@ -4,10 +4,6 @@ users/ *.pem build/ build_*/ -nn -camera -lci -pmc # ide .vscode/ diff --git a/lci/extra/_pmc/src/pmc/__init__.py b/lci/extra/_pmc/src/pmc/__init__.py new file mode 100644 index 0000000..349d82e --- /dev/null +++ b/lci/extra/_pmc/src/pmc/__init__.py @@ -0,0 +1,7 @@ +from .to_pmc import PmcComm +from .to_dnfs import DnfsComm +from .from_cops import CopsComm +from .rsa import Rsa_Pri_Key +from .aes import MyAES +from .parser import upload_file +#from .chat_comm import print_to_pmc diff --git a/lci/extra/_pmc/src/pmc/aes.py b/lci/extra/_pmc/src/pmc/aes.py new file mode 100644 index 0000000..6f95063 --- /dev/null +++ b/lci/extra/_pmc/src/pmc/aes.py @@ -0,0 +1,85 @@ +from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes +from cryptography.hazmat.backends import default_backend +from cryptography.hazmat.primitives import padding +class MyAES: + def __init__(self, key: str, iv: str): + self.key: bytes = bytes.fromhex(key) + self.iv: bytes = bytes.fromhex(iv) + def decrypt(self, ciphertext: str): + cipher: bytes = bytes.fromhex(ciphertext) + plain: bytes = MyAES.aes_decrypt(cipher, self.key, self.iv) + try: + return plain.decode('utf-8') + except UnicodeDecodeError as e: + # 返回原始字节的十六进制表示作为备选 + return plain.hex() + def encrypt(self, original_text: str): + plaintext: byte = original_text.encode('utf-8') + ciphertext: byte = MyAES.aes_encrypt(plaintext, self.key, self.iv) + return ciphertext.hex() + @staticmethod + def aes_decrypt(ciphertext: bytes, key: bytes, iv: bytes) -> bytes: + """ + 使用AES-256-CBC算法解密数据 + + 参数 + - ciphertext: 待解密的密文字节串 + - key: 256位（32字节）的密钥字节串 + - iv: 初始化向量字节串（必须为16字节） + + 返回： + - 解密后的明文字节串 + """ + + # 验证输入参数长度 + if len(key) != 32: + raise ValueError('AES-256密钥必须是32字节长度') + if len(iv) != 16: + raise ValueError('AES-CBC的IV必须是16字节长度') + + # 创建AES-CBC解密器 + cipher = Cipher(algorithms.AES(key), modes.CBC(iv), backend=default_backend()) + decryptor = cipher.decryptor() + + try: + # 执行解密并移除PKCS#7填充 + plaintext = decryptor.update(ciphertext) + decryptor.finalize() + return plaintext + except Exception as e: + print(f"解密失败：{e}") + return b'' + + @staticmethod + def aes_encrypt(plaintext: bytes, key: bytes, iv: bytes) -> bytes: + """ + AES-256-CBC 加密 + + 参数 + plaintext: 要加密的密文 + key: 32字节的密钥 + iv: 16字节的初始化向量 + 返回： + 加密后的密文 + """ + # 检查密钥和IV的长度 + if len(key) != 32: + raise ValueError("密钥必须是32字节（AES-256）") + if len(iv) != 16: + raise ValueError("IV必须是16字节") + + # 创建加密器 + cipher = Cipher( + algorithms.AES(key), + modes.CBC(iv), + backend=default_backend() + ) + encryptor = cipher.encryptor() + + # 添加PKCS7填充 + padder = padding.PKCS7(128).padder() + padded_data = padder.update(plaintext) + padder.finalize() + + # 加密数据 + ciphertext = encryptor.update(padded_data) + encryptor.finalize() + + return ciphertext diff --git a/lci/extra/_pmc/src/pmc/chat_comm.py b/lci/extra/_pmc/src/pmc/chat_comm.py new file mode 100644 index 0000000..07cc323 --- /dev/null +++ b/lci/extra/_pmc/src/pmc/chat_comm.py @@ -0,0 +1,39 @@ +#!/usr/bin/env python3 +import argparse +import socket + +def send_client(msg: str, addr: str, port: int, name: str): + '''发送消息给聊天室服务器。 + + 需要输入消息、地址、端口、昵称''' + try: + with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s: + s.connect((addr, port)) + s.sendall(f"{name}: {msg}".encode('utf-8')) + s.close() + print('success') + except ConnectionRefusedError: + print(f"Could not connect to {addr}:{port}") + except Exception as e: + print(f"Unexpected error: {e}") + +class ChatComm: + '''与聊天服务器进行交流的类。''' + def __init__(self, addr: str, port: int, name: str): + self.addr = addr + self.port = port + self. name = name + def send(self, msg: str): + send_client(msg, self.addr, self.port, self.name) +def main(): + parser = argparse.ArgumentParser(description='发送到聊天室。') + parser.add_argument("--msg", type=str, help="要发送的消息") + parser.add_argument('--addr', type=str, default='localhost', help='选择要连接的地址') + parser.add_argument('--port', type=int, default=8003, help='选择要连接的地址') + parser.add_argument('--name', type=str, default='Unknow', help='你的名字是什么') + args = parser.parse_args() + comm = ChatComm(args.addr, args.port, args.name) + comm.send(args.msg) + +if __name__ == '__main__': + main() diff --git a/lci/extra/_pmc/src/pmc/from_cops.py b/lci/extra/_pmc/src/pmc/from_cops.py new file mode 100644 index 0000000..3b206ad --- /dev/null +++ b/lci/extra/_pmc/src/pmc/from_cops.py @@ -0,0 +1,25 @@ +#!/usr/bin/env python3 +''' +这是用于访问协处理器http服务的程序 +''' +import requests +import os +import argparse +class CopsComm: + '''与协处理器的通信类''' + def __init__(self, url: str): + self.url: str= url + def http_post(self, module: str): + response = requests.post(self.url, json={'cmd': module}, headers={'Content-Type': 'application/json'} ) + response.raise_for_status() + return response.text +if __name__ == "__main__": + # python3 from_cops.py --url=http://192.168.254.101:8001/api --mod=MPU6050 + parser = argparse.ArgumentParser(description="COPS的http调用示例。") + parser.add_argument('--url', help='访问的URL') + parser.add_argument('--mod', help='要输入的指令') + args = parser.parse_args() + comm = CopsComm(args.url) + rsp = comm.http_post(args.mod) + print(rsp) + diff --git a/lci/extra/_pmc/src/pmc/parser.py b/lci/extra/_pmc/src/pmc/parser.py new file mode 100644 index 0000000..16cd6b3 --- /dev/null +++ b/lci/extra/_pmc/src/pmc/parser.py @@ -0,0 +1,99 @@ +import urllib.request +import argparse +import sys + +def openfile(filename): + try: + with open(filename, "r", encoding='utf-8') as f: + content = f.read() + print(f"✅ 文件读取成功，内容长度: {len(content)} 字符") + return content + except FileNotFoundError as e: + print(f"❌ 错误：指定的文件不存在 -> {filename}") + raise e + except PermissionError as e: + print(f"❌ 错误：没有权限读取文件 -> {filename}") + raise e + except Exception as e: + print(f"❌ 错误：读取文件失败 -> {str(e)}") + raise e + +def httppost(url: str, msg: str) -> str: + try: + # 核心转换：字符串 → 字节流（原生库必须要求） + post_body_bytes = msg.encode("utf-8") + # 发送POST请求，timeout=10秒防止卡死 + response = urllib.request.urlopen(url, data=post_body_bytes, timeout=2) + + # 解析响应结果 + if response.getcode() == 200: + resp_content = response.read().decode("utf-8") + print("\n🎉 请求上传成功！HTTP状态码: 200") + print(f"🎉 服务端响应内容:\n{resp_content}") + else: + resp_content = f'---{str(response.getcode())}---' + print(f"\n⚠️ 请求上传完成，但服务端返回异常状态码: {response.getcode()}") + print(f"⚠️ 服务端响应内容: {resp_content}") + + return resp_content + + except urllib.error.URLError as e: + print(f"\n❌ 请求失败：网络错误/连接超时/端口未开放 -> {str(e)}") + raise e + except urllib.error.HTTPError as e: + print(f"\n❌ 请求失败：HTTP错误 -> 状态码: {e.code}, 详情: {e.read().decode('utf-8')}") + raise e + except Exception as e: + print(f"\n❌ 请求失败：未知错误 -> {str(e)}") + raise e + +def upload_file(file: str, host: str, port: int) -> str: + """抽象的URL访问函数，用于上传文件到指定服务器 + + Args: + file: 待上传的文件路径 + host: 目标服务器IP + port: 目标服务器端口 + """ + try: + # 读取文件内容 + msg = openfile(file) + # 构造URL + url = f"http://{host}:{port}/api/v1/mybot-sample" + # 发送POST请求 + resp = httppost(url, msg) + except Exception as e: + print(f"❌ 错误：上传文件失败 -> {str(e)}") + resp = str(e) + return resp + +def upload_file_and_train(file: str, host: str, port: int) -> str: + """抽象的URL访问函数，用于上传文件到指定服务器 + + Args: + file: 待上传的文件路径 + host: 目标服务器IP + port: 目标服务器端口 + """ + try: + # 读取文件内容 + msg = openfile(file) + # 构造URL + url = f"http://{host}:{port}/api/v1/mybot-nn" + # 发送POST请求 + resp = httppost(url, msg) + except Exception as e: + print(f"❌ 错误：上传文件失败 -> {str(e)}") + resp = str(e) + return resp + + +if __name__ == "__main__": + parser = argparse.ArgumentParser(description="python 远程上传文本内容") + parser.add_argument("file", type=str, help="待上传的文件") + parser.add_argument('--port', type=int, default=9203, help="目标服务器监听端口，默认9203") + parser.add_argument("--host", type=str, default="127.0.0.1", help="目标服务器的IP，默认本地") + args =parser.parse_args() + resp = upload_file(args.file, args.host, args.port) + #resp = upload_file_and_train(args.file, args.host, args.port) + print(resp) diff --git a/lci/extra/_pmc/src/pmc/rsa.py b/lci/extra/_pmc/src/pmc/rsa.py new file mode 100644 index 0000000..94a8a8e --- /dev/null +++ b/lci/extra/_pmc/src/pmc/rsa.py @@ -0,0 +1,103 @@ +from cryptography.hazmat.primitives import serialization, hashes +from cryptography.hazmat.primitives.asymmetric import rsa, padding +from cryptography.hazmat.backends import default_backend +import os +class Rsa_Pri_Key: + '''RSA 私钥对象''' + def __init__(self, fullpath: str) -> None: + self.pri_key=Rsa_Pri_Key.load_private_key(fullpath) + def decrypt(self, ciphertext: str) -> str: + return Rsa_Pri_Key.decrypt_hex_ciphertext(self.pri_key, ciphertext) + + + @staticmethod + def load_private_key(pem_file, password=None): + ''' + 从PEM文件加载RSA私钥 + + :param pem_file: PEM格式的私钥文件路径 + :param password: 私钥密码（如果有） + :return RSA私钥对象 + ''' + with open(pem_file, 'rb') as key_file: + private_key = serialization.load_pem_private_key( + key_file.read(), + password=password.encode() if password else None, + backend=default_backend() + ) + return private_key + + @staticmethod + def decrypt_hex_ciphertext(private_key, hex_ciphertext): + ''' + 解密HEX格式的RSA密文 + + :param private_key: 已加载的RSA私钥 + :param hex_ciphertext: Hex字符串格式的密文 + :return: 解密后的明文 + ''' + try: + # 将Hex字符串转换为bytes + ciphertext = bytes.fromhex(hex_ciphertext) + + # 使用OAEP填充方案解密 + plaintext = private_key.decrypt( + ciphertext, + padding.OAEP( + # OPENSSL 没有显式指定时，这个是SHA1 + mgf=padding.MGF1(algorithm=hashes.SHA1()), + algorithm=hashes.SHA1(), + label=None + ) + ) + return plaintext + except ValueError as e: + print(f"Hex解码失败：{str(e)}") + return None + except Exception as e: + print(f"解密失败：{str(e)}") + return None + + +def main(): + ... + +if __name__ == '__main__': + main() +""" +# 生成RSA私钥 +private_key = rsa.generate_private_key( + public_exponent=65537, # 通常使用65537作为公钥指数 + key_size=2048, # 密钥长度，推荐至少2048位 +) + +# 将私钥序列化为PEM格式 +pem_private_key = private_key.private_bytes( + encoding=serialization.Encoding.PEM, + format=serialization.PrivateFormat.PKCS8, + encryption_algorithm=serialization.NoEncryption() # 这里不加密私钥 +) + +# 获取对应的公钥 +public_key = private_key.public_key() + +# 将公钥序列化为PEM格式 +pem_public_key = public_key.public_bytes( + encoding=serialization.Encoding.PEM, + format=serialization.PublicFormat.SubjectPublicKeyInfo +) + +# 打印密钥 +print("私钥:") +print(pem_private_key.decode('utf-8')) + +print("公钥:") +print(pem_public_key.decode('utf-8')) + +# 可选：将密钥保存到文件 +with open('private_key.pem', 'wb') as f: + f.write(pem_private_key) + +with open('public_key.pem', 'wb') as f: + f.write(pem_public_key) +""" diff --git a/lci/extra/_pmc/src/pmc/to_dnfs.py b/lci/extra/_pmc/src/pmc/to_dnfs.py new file mode 100644 index 0000000..697bdc4 --- /dev/null +++ b/lci/extra/_pmc/src/pmc/to_dnfs.py @@ -0,0 +1,118 @@ +import requests +import hashlib +import json + +def calculate_sha256(input_string): + """ + 计算输入字符串的SHA-256哈希值 + + 参数: + input_string (str): 要计算哈希的字符串 + + 返回: + str: 输入字符串的SHA-256哈希值(十六进制字符串) + """ + # 创建sha256哈希对象 + sha256_hash = hashlib.sha256() + + # 更新哈希对象，需要将字符串编码为字节 + sha256_hash.update(input_string.encode('utf-8')) + + # 获取十六进制格式的哈希值 + hex_digest = sha256_hash.hexdigest() + + return hex_digest + +class DnfsComm: + '''=====抛出异常表示失败。===== + Dnfs即树状网络文件系统，该类是用于与dnfs通信的类。 + + 可以获取子节点列表、添加节点、删除节点、更新节点。 + + 计划在以后加入分组获取内容的功能。''' + + def __init__(self, url: str) -> None: + self.url: str = url + + + # 获取某个节点下的子节点（0是主节点） + def get(self, pid: int) -> object: + rsp = requests.post(self.url + "/get_notes", json={ + "pid": pid + },) + if (rsp.status_code == 200): + return rsp.text + else: + raise DnfsComm.GetFailed(rsp.text) + + def get_and_trans(self, pid: int) -> list: + return json.loads(self.get(pid)) + + # 以pid节点为父节点添加节点 + def add(self, pid: int, title: str, content: str) -> object: + rsp = requests.post(self.url + "/add_note", json={ + "pid": pid, + "title": title, + "content": content + },) + if (rsp.status_code == 200 or rsp.status_code == 201): + return rsp.text + else: + raise DnfsComm.AddFailed(rsp.text) + + # 删除一个节点 + def dele(self, id: int) -> object: + rsp = requests.post(self.url + "/delete_note", json={ + "id": id, + },) + if (rsp.status_code == 200): + return rsp.text + else: + raise DnfsComm.DelFailed(rsp.text) + + # 更新id节点 + def upd(self, id: int, pid: int, title: str, content: str) -> object: + rsp = requests.post(self.url + "/update_note", json={ + "id": id, + "pid": pid, + "title": title, + "content": content + },) + if (rsp.status_code == 200): + return rsp.text + else: + raise DnfsComm.UpdFailed(rsp.text) + + + class TheExp(Exception): + def __init__(self, msg: str): + super().__init__(msg) + + class GetFailed(TheExp): + def __init__(self, msg: str): + super().__init__(msg) + + class AddFailed(TheExp): + def __init__(self, msg: str): + super().__init__(msg) + + class DelFailed(TheExp): + def __init__(self, msg: str): + super().__init__(msg) + + class UpdFailed(TheExp): + def __init__(self, msg): + super().__init__(msg) + +if __name__ == "__main__": + comm = DnfsComm("http://101.245.108.250:8006") + #comm.add(0, "test pkg", "hello") + #comm.dele(2) + #comm.upd(id=1, pid=0, title="Users", content=f"""1::admin::{calculate_sha256('baigezi')}::admin +#2::qing::{calculate_sha256('123456')}::normal +#3::test::{calculate_sha256('44112233')}::normal +#4::test2::{calculate_sha256('44112233')}::mormal""") + #comm.upd(id=2, pid=0, title="Sensors", content='''101::temperature +#102::humidity''') + comm.upd(id=3, pid=0, title="Protected", content='''''') + print(comm.get_and_trans(0)) diff --git a/lci/extra/_pmc/src/pmc/to_pmc.py b/lci/extra/_pmc/src/pmc/to_pmc.py new file mode 100644 index 0000000..8f16048 --- /dev/null +++ b/lci/extra/_pmc/src/pmc/to_pmc.py @@ -0,0 +1,135 @@ +#!/usr/bin/env python3 + +''' + +这个代码是与PMC服务通信的工具 + +即PMC子系统调用 + +通过PMC服务，你可以创建和管理进程 + +=============================== + +20250701: 版本：0.0.4 +使得这个模块可以访问任何地址的pmc服务 + +20250702：版本 0.0.5 +使得这个模块在创建之初就保存一个url + +20250709: 版本 0.1.0 +使得模块在通信过程中应用RSA和AES加密手段 + +''' +from .rsa import Rsa_Pri_Key +from .aes import MyAES +import requests +import os +import json +import sys + + +class PmcComm: + '''并发机器通信''' + + def __init__(self, url: str): + self.url: str = url + + # 新库 + ############################ + @staticmethod + def post_to(url, payload="", retry=10): + count = 0 + while count < retry: + count += 1 + try: + response = requests.post(url, data=payload) + response.raise_for_status() + return response.text + except requests.exceptions.HTTPError: + ... + raise Exception("连接失败") + + + @staticmethod + def get_from(url, retry=10): + count = 0 + while count < retry: + count += 1 + try: + response = requests.get(url) + response.raise_for_status() + return response.text + except requests.exceptions.HTTPError: + ... + raise Exception("连接失败") + + def get_key(self) -> str: + return PmcComm.get_from(f"{self.url}/api/v1/get_key") + + def get_iv(self) -> str: + return PmcComm.get_from(f"{self.url}/api/v1/get_iv") + + def get_list(self,) -> str: + ls = PmcComm.get_from(f"{self.url}/api/v1/get_list") + return self.aes.decrypt(ls).strip() # 第二天早上就出现了空格 + + def start(self, module: str) -> str: + msg = json.dumps({'module': module}) + msg = self.aes.encrypt(msg) + return PmcComm.post_to( + f'{self.url}/api/v1/start', + payload=msg + ) + + def try_start(self, module: str) -> str: + try: + self.start(module) + except Exception as e: + print(f'{module}: {e}', file=sys.stderr) + + def kill(self, pid: int) -> str: + msg = json.dumps({'pid': pid}) + msg = self.aes.encrypt(msg) + return PmcComm.post_to( + f'{self.url}/api/v1/kill', + payload=msg + ) + + def clear(self, ) -> str: + return PmcComm.post_to(f'{self.url}/api/v1/clear') + + def list_mods(self,) -> str: + ls = PmcComm.get_from(f"{self.url}/api/v1/list_mods") + return self.aes.decrypt(ls) + + + def Set_RSA_Pri_Key(self, fullpath: str) -> None: + self.rsa_pri: Rsa_Pro_Key = Rsa_Pri_Key(fullpath) + + def Set_AES_Key(self, key: str, iv: str) -> None: + self.aes = MyAES(key.decode(), iv.decode()) + + + def Try_Get_AES_Key(self, retry: int=10) -> None: + '''试图获取AES密钥，测试中失败率比较高''' + key_data = self.get_key() + key = self.rsa_pri.decrypt(key_data) + iv_data = self.get_iv() + iv = self.rsa_pri.decrypt(iv_data) + self.Set_AES_Key(key, iv) + + def Test(): + # 测试对象 + #url = "http://101.245.108.250:8012" + url = "http://localhost:8012" + + # 创建交流对象 + comm = PmcComm(url) + comm.Set_RSA_Pri_Key("private_key.pem") + comm.Try_Get_AES_Key() + #msg = comm.start("mgmt") + #msg = comm.kill(6488) + #msg =comm.clear() + msg = comm.get_list() + print(msg) + diff --git a/lci/include/lci/Area.h b/lci/include/lci/Area.h new file mode 100644 index 0000000..8de0df0 --- /dev/null +++ b/lci/include/lci/Area.h @@ -0,0 +1,21 @@ +/* + * Area是某个形状上的一个区域，它没有自己的帧缓冲区 + * + * + */ + +#pragma once +#include "Drawable.h" +namespace qing { +class Area: public Drawable { +public: + /* Phase Plotting Method 相图法 */ + Area(Drawable *d, int w, int h, int x, int y, int rotate, int fontsize); + Color _get(int x, int y) override; /* 实现接口 */ + void _p(int x, int y, Color &clr) override; + virtual void flush(Drawable *n, bool border = false) override; + virtual void move(int x, int y); +protected: + Drawable *d; /* 持有的绘制主体 */ +}; +} diff --git a/lci/include/lci/Arguments.h b/lci/include/lci/Arguments.h new file mode 100644 index 0000000..6e22ce3 --- /dev/null +++ b/lci/include/lci/Arguments.h @@ -0,0 +1,72 @@ +#pragma once +#include +#include +namespace qing { + +/* + * C++ 的命令行 + */ + +class Arguments { +public: + Arguments(int argc, char **argv) { + for (int i=1; i 1 && item[0] == '-' && item[1] != '-') { + for (unsigned long j=1; j 2 && item[0] == '-' && item[1] == '-' && item[2] != '-') { + std::string arg = get_long_param_key(item); + size_t pos =arg.find('='); + if (pos == (long unsigned int)-1) { + std::cout << arg << std::endl; + m.insert(std::pair(arg, "")); + } else { + std::string k = arg.substr(0, pos); + std::string v = arg.substr(pos+1, arg.length()-pos-1); + std::cout << k << "=" << v << std::endl; + m.insert(std::pair(k, v)); + } + + } else { + throw WrongArgument(item); + } + + } + } + + std::map &get_m() { + return m; + } + std::map &get_mc() { + return mc; + } + + class WrongArgument: std::runtime_error { /* 错的参数 */ + public: + WrongArgument(std::string key): std::runtime_error(key) {} + }; + + private: + std::map m; + std::map mc; + + std::string get_long_param_key(std::string &s) { + return s.substr(2, s.length() -2); + } + +}; + +} diff --git a/lci/include/lci/CharShape.h b/lci/include/lci/CharShape.h new file mode 100644 index 0000000..78b4a7b --- /dev/null +++ b/lci/include/lci/CharShape.h @@ -0,0 +1,22 @@ +#pragma once +#include "lci/Shape.h" +#include "lci/字体绘制器.h" +namespace qing { +class CharShape: public Shape { +public: + CharShape(int w, int h, int x, int y, wchar_t wc) + : Shape(w, h, x, y), wc(wc), 绘制(w, h) {} + + virtual void Draw(Drawable &d, Color clr) override{ + int w = getw(); + int h = geth(); + int x = getx(); + int y = gety(); + 绘制.drawvfont(&d, x, y, wc, clr); + } + +private: + wchar_t wc; + 字体绘制器 绘制; +}; +} diff --git a/lci/include/lci/CmdArea.h b/lci/include/lci/CmdArea.h new file mode 100644 index 0000000..e348b88 --- /dev/null +++ b/lci/include/lci/CmdArea.h @@ -0,0 +1,30 @@ +#pragma once +#include "Area.h" +#include "InputBox.h" +#include +#include +namespace qing { +/* + * CmdArea（命令区域）是一种特殊的Area区域 + * + * 基层绘制方法我们已经在Area中实现了 + */ +class CmdArea: public Area { +public: + CmdArea(Drawable *d, int w, int h, int x, int y, int rotate =0, int fontsize=18, bool hasBox = false); + void Input(char c); + void ClearInput(); + virtual void print(char *utf8, int d=0); /* FIXME: d不知道是什么*/ + void update_input(); + void delete_input(); + void clearBox(); + std::string get_input_and_clear(); +private: + int x_f=0, y_f=0; + std::unique_ptr area; + std::mutex lock; + std::string input = ""; + void handle_ansi_code(char *buffer); + bool hasBox; +}; +} diff --git a/lci/include/lci/Color.h b/lci/include/lci/Color.h new file mode 100644 index 0000000..0d8702a --- /dev/null +++ b/lci/include/lci/Color.h @@ -0,0 +1,25 @@ +#pragma once +namespace qing { + +/* 32位色彩和16位色彩 */ +class Color{ +public: + unsigned char r=0,g=0,b=0; + Color(unsigned char r=0, unsigned char g=0, unsigned char b=0) { + this->r=r; + this->g=g; + this->b=b; + } +}; + +extern const Color black; +extern const Color white; +extern const Color green; +extern const Color blue; +extern const Color red; + +/* FIXME: 完成这个类定义 */ +class Color16 { + public: +}; +} diff --git a/lci/include/lci/CommonThread.h b/lci/include/lci/CommonThread.h new file mode 100644 index 0000000..9637bd0 --- /dev/null +++ b/lci/include/lci/CommonThread.h @@ -0,0 +1,63 @@ +#pragma once + +#include +#include +#include +#include "fsm.h" +#include "ThreadInterface.h" +/* +@qing：包含一个简易的多线程控制机制。 +需要共享内存的变量和函数声明为全局变量（通常需要带锁）， +线程中单独使用的变量和函数声明到属于它的命名空间中。 +每个线程的主函数包括了对其的流程控制代码。 +stop，setup，loop，clean函数中填入每个状态下的执行代码。 +其中需要用到的函数，又实现在后边。 +*/ + +namespace qing { +namespace lci{ + //线程的主函数 +//----------------------------------------------------------- +/*通常情况下，线程的主函数。*/ + + //前向声明脚本类型 + class CommonThread: public lci::Fsm, ThreadInterface { + //一个持有资源线程的状态机类型 + public: + //构造函数. + //没有必要输入打印机、脚本、线程的名字，放到全局变量 + CommonThread(std::string name); + //暂时删除复制构造函数 + CommonThread(CommonThread&) = delete; + //如果把析构函数放在这里，将会导致纯虚函数错误 + virtual ~CommonThread(); + + //对线程名字的设置 + void SetLabel(std::string name); + //对线程名字的获取 + std::string& GetLabel(); + //----------------------------------------------------------- + //等待线程启动完毕 + //线程启动失败返回失败。线程启动成功或者现程结束返回成功。 + // + //这个函数在某些情况下有可能会一直等待，直到循环结束 + bool WaitStart(unsigned long n); + + void WaitClose(); + + virtual void StopEvent() override; + virtual void WakeEvent() override; + virtual void LoopEvent() override; + virtual void ClearEvent() override; + + void thread_main(); + + private: + + //线程的名字 + std::string label; + //用来存放该子线程的标识符。 + std::thread *thread = NULL; + }; +} +} diff --git a/lci/include/lci/Drawable.h b/lci/include/lci/Drawable.h new file mode 100644 index 0000000..452a614 --- /dev/null +++ b/lci/include/lci/Drawable.h @@ -0,0 +1,89 @@ +/* + * 这个是个抽象类，子类实现抽象的内部接口后 + * + * 可以调用它已经写好的绘制方法。 + */ +#pragma once +#include "Rectangle.h" +#include "Color.h" +#include + +/* 用于文字的绘制 + * FIXME: 使用类封装 */ +extern unsigned char ttu[]; +extern int ttunumber; +extern unsigned char zzhi[]; +extern int zzhinumber; + +namespace qing { +class Drawable { +public: + /* 表示旋转方向 */ + enum class Rotate: char { + R_0 = 0, + R_90 = 1, + R_180 = 2, + R_270 = 3 + }; + + /* 非法的旋转模式 */ + class InvalidRotateMode: std::runtime_error { + public: + InvalidRotateMode(): std::runtime_error("Invalid rotate mode.") {} + }; + + /*====== attr 属性区（访问器） ======*/ + Drawable(int w, int h, int x, int y, int rotate, int fontsize); + virtual Rectangle get_size(); + virtual Rectangle get_pos(); + virtual void set_pos(Rectangle rect); + virtual Color get_color(int x, int y); + virtual void set_color(Color &color); + void FontSize(int fontsize); + int FontSize_get(); + virtual Color& getFontsColor(); + /*------ basic 基本 ------ + * 这些类需要由子类分别进行实现，但是子类不直接调用， + * 而是由抽象基类中实现的方法调用 */ + virtual Color _get(int x, int y) = 0; /* 获取像素点像素 */ + virtual void _p(int x, int y, Color &clr) = 0; /* 绘制像素点像素 */ + //virtual void _up(int x, int y, int w, int h, int level) = 0; /* FIXME: 不使用屏幕移动函数 */ + //virtual void _down(int x, int y, int w, int h, int level) = 0; + //virtual void _left(int x, int y, int w, int h, int level) = 0; + //virtual void _right(int x, int y, int w, int h, int level) = 0; + //virtual void _clear(int x, int y, int w, int h) = 0; /* FIXME: 实现该方法 */ + /*====== drawer 绘制 ====== + * 提供给子类和外部的绘制方法 */ + virtual void point(int x, int y, Color &clr); + virtual void line(int x1, int y1, int x2, int y2, Color &clr); + virtual void rectangle(int x, int y, int w, int h, Color &clr); + virtual void rectangle_fill(int x, int y, int w, int h, Color &clr); + virtual void flush(Drawable *n, bool border) = 0; + //virtual void clear(); /* 对于区域来说，清理可能较为复杂 */ + /*------ printer 打印 ------ + * 打印文字 + * + * 只实现了打印文字的基本方法 */ + void drawvfont(int x, int y, unsigned short z, Color &clr); + /*------ test 测试 ------ + * 绘制测试图案 */ + virtual void test(); /* 颜色测试 */ + +protected: + /*------ window ------ + * 窗口属性 */ + int w, h, x, y, rotate=0; + /*------ fonts lib ------ + * 文字库 */ + int font_w, font_h; + unsigned short *chss = (unsigned short *)zzhi; + unsigned char *vec = ttu; + int zn; + int vennum; + /* 绘制文字 */ + unsigned char *drawvect(int x, int y, unsigned char *vect, int width, int high, Color &clr); + /*------ printer ------*/ + Color clr = green; + //Color clr = white; +}; +} diff --git a/lci/include/lci/FrameBuf.h b/lci/include/lci/FrameBuf.h new file mode 100644 index 0000000..2534b73 --- /dev/null +++ b/lci/include/lci/FrameBuf.h @@ -0,0 +1,40 @@ +#pragma once +#include "Rectangle.h" +#include "Color.h" +#include "Drawable.h" +#include +#include +namespace qing{ +/* FIXME: 这个类的绘制点方法可能过于复杂 */ +class FrameBuf: public Drawable { /* 帧缓冲区类 */ +public: + FrameBuf(const char *path, int rotate, int fontsize); + FrameBuf(const FrameBuf&) = delete; /* 持有fd */ + ~FrameBuf(); + int get_bpp(); /* bits_per_pixel 像素比特 */ + virtual Color _get(int x, int y) override; + virtual void _p(int x, int y, Color &color) override; + virtual void flush(Drawable *d, bool border = false) override; + void clear(); /* FIXME: 也许把这个方法加到抽象父类中？ */ + + class UnknowBPP: std::runtime_error { /* 未知标准的像素比特 */ + public: + UnknowBPP(): std::runtime_error("Unknow the number of Bits Per Pixel.") {} + }; + static const int _HEAD_LEN = 8; + +private: + int d = -1; + struct fb_var_screeninfo var_info; /* 可变参数 */ + struct fb_fix_screeninfo fix_info; /* 固定参数 */ + int x_over = 0; /* 横轴过量 */ + int line_jump = 0; /* 行跳 */ + char *buf = nullptr; /* 缓冲区指针 */ + + /* 根据像素比特的不同分情况讨论 */ + Color get16(__u32 x, __u32 y); + Color get32(__u32 x, __u32 y); + void p32(__u32 x, __u32 y, Color &color); + void p16(__u32 x, __u32 y, Color &color); +}; +} diff --git a/lci/include/lci/InputBox.h b/lci/include/lci/InputBox.h new file mode 100644 index 0000000..9d81b60 --- /dev/null +++ b/lci/include/lci/InputBox.h @@ -0,0 +1,9 @@ +#pragma once +#include "Area.h" +namespace qing { +class InputBox: public Area { /* 输入框 */ +public: + InputBox(Drawable *d, int w, int h, int x, int y, int rotate, int fontsize); + virtual void print(char *utf8, int line); +}; +} diff --git a/lci/include/lci/KeyboardEvent.h b/lci/include/lci/KeyboardEvent.h new file mode 100644 index 0000000..05f7488 --- /dev/null +++ b/lci/include/lci/KeyboardEvent.h @@ -0,0 +1,24 @@ +#pragma once +#include +#include +#include +#include +//#define MAX 64 /* FIXME: 这个是不是没用了 */ +namespace qing { +class KeyboardEvent{ +public: + KeyboardEvent(); + ~KeyboardEvent(); + struct input_event get(); /* 获取键盘事件 */ + class NoEvent: std::runtime_error{ /* 键盘无事件异常 */ + public: + NoEvent(std::string s): std::runtime_error(s){} + }; +private: + std::map pool; + static bool is_event_with_number(const char *filename); + static void set_noblocking(int d); + int maxd(); + static void print(struct input_event ev); +}; +} diff --git a/lci/include/lci/PoolArea.h b/lci/include/lci/PoolArea.h new file mode 100644 index 0000000..faf6597 --- /dev/null +++ b/lci/include/lci/PoolArea.h @@ -0,0 +1,53 @@ +/* + * 控件池区域 + * + * 能够容纳别的控件，不需要重写flush()方法 + */ +#include +#include +#include "lci/Area.h" +#include "lci/Drawable.h" +namespace qing { + class PoolArea: public Area{ + public: + PoolArea(Drawable *d, int w, int h, int x, int y, int rotate, int fontsize) + :Area(d, w, h, x, y, rotate, fontsize) {}; + void add(const std::string& name, const std::shared_ptr& item) { + umap.insert({name, item}); + } + + /* 访问控件 */ + std::shared_ptr& operator[](const std::string& key) { + return umap.at(key); + } + + /* 访问控件 - const */ + const std::shared_ptr& operator[](const std::string& key) const { + return umap.at(key); + } + + /* 安全访问 - 不抛异常 */ + //std::shard_ptr get(const std::string& key) const {} + + /* 检查是否存在 */ + bool contains(const std::string& key) const { + return umap.find(key) != umap.end(); + } + + /* 获取控件数量 */ + size_t size() const { return umap.size(); } + + /* 迭代器支持 - 范围for循环 */ + std::unordered_map>::iterator begin() { return umap.begin(); } + std::unordered_map>::iterator end() { return umap.end(); } + + /* 迭代器支持 - const版本 */ + std::unordered_map>::const_iterator begin() const { return umap.begin(); } + std::unordered_map>::const_iterator end() const { return umap.end(); } + + /* FIXME: cbegin/cend 支持 */ + + private: + std::unordered_map> umap; + }; +} diff --git a/lci/include/lci/Rectangle.h b/lci/include/lci/Rectangle.h new file mode 100644 index 0000000..16158d4 --- /dev/null +++ b/lci/include/lci/Rectangle.h @@ -0,0 +1,14 @@ +#pragma once +namespace qing{ +class Rectangle{ /* 矩形类 */ +public: + int w=0; /* width */ + int h=0; /* height */ + int b=0; /* ? */ + Rectangle(int w=0, int h=0, int b=0) { + this->w=w; + this->h=h; + this->b=b; + } +}; +} diff --git a/lci/include/lci/Shape.h b/lci/include/lci/Shape.h new file mode 100644 index 0000000..0913236 --- /dev/null +++ b/lci/include/lci/Shape.h @@ -0,0 +1,43 @@ +#pragma once +#include "lci/Drawable.h" +#include "lci/Color.h" +namespace qing { + /* 【形状】 + * 抽象基类 */ + class Shape { + public: + Shape(int w, int h, int x, int y) + : w(w), h(h), x(x), y(y) {} + virtual void Draw(Drawable &d, Color clr) = 0; + int getw() { + return w; + } + void setw(int w) { + this->w = w; + } + + int geth() { + return h; + } + void seth(int h) { + this->h = h; + } + + int getx() { + return x; + } + void setx(int x) { + this->x = x; + } + + int gety() { + return y; + } + void sety(int y) { + this->y = y; + } + private: + int w, h; + int x, y; + }; +} diff --git a/lci/include/lci/ShapeArea.h b/lci/include/lci/ShapeArea.h new file mode 100644 index 0000000..72aaf12 --- /dev/null +++ b/lci/include/lci/ShapeArea.h @@ -0,0 +1,32 @@ +#pragma once +/* + * 形状区域 + */ +#include "lci/Area.h" +#include "lci/Shape.h" +#include "vector" +#include "memory" +namespace qing { +class ShapeArea: public Area { +public: + ShapeArea(Drawable *d, int w, int h, int x, int y, int rotate, int fontsize) + : Area(d, w, h, x, y, rotate, fontsize){} + size_t size() const { return list.size(); } + void add(const std::shared_ptr& item) { + list.push_back(item); + } + Shape& operator[](const size_t idx) { + return *(list[idx]); + } + const Shape& operator[](const size_t idx) const { + return *(list[idx]); + } + std::vector>::iterator begin() { return list.begin(); } + std::vector>::iterator end() { return list.end(); } + + std::vector>::const_iterator begin() const { return list.begin(); } + std::vector>::const_iterator end() const { return list.end(); } +private: + std::vector> list; +}; +} diff --git a/lci/include/lci/Term.h b/lci/include/lci/Term.h new file mode 100644 index 0000000..638fd06 --- /dev/null +++ b/lci/include/lci/Term.h @@ -0,0 +1,46 @@ +#pragma once +#include +#include +#include +#include +namespace qing { +class Term { +public: + /* 需要输入当前的控制台号(源头tty) */ + Term(int target_tty, int origin_tty) { + this->origin_tty = origin_tty; + chvt(target_tty); + HideCursor(target_tty); + } + ~Term(){ /* 切回源tty */ + chvt(origin_tty); + } +private: + int origin_tty; + static int open_tty(int num) { + char path[16] = {'\0'}; + snprintf(path, sizeof(path), "/dev/tty%d", num); + int d = open(path, O_WRONLY); + if (d == -1) + throw std::runtime_error(path); + else + return d; + } + static void HideCursor(int id) { + int d = open_tty(id); + const char *hide = "\033[?25l"; + if (write(d, hide, strlen(hide)) == -1){ + close(d); + throw std::runtime_error("term writting"); + } + close(d); + } + static void chvt(int id) { + char cmd[16] = {'\0'}; + snprintf(cmd, sizeof(cmd), "chvt %d", id); + int err = system(cmd); + if (err) + throw std::runtime_error("chvt"); + } +}; +} diff --git a/lci/include/lci/ThreadInterface.h b/lci/include/lci/ThreadInterface.h new file mode 100644 index 0000000..c488ff3 --- /dev/null +++ b/lci/include/lci/ThreadInterface.h @@ -0,0 +1,23 @@ +#pragma once +namespace qing { + + class ThreadInterface { + + public: + + //--------------------------------------------- + //程序睡眠阶段的操作函数。 + virtual void StopEvent() = 0; + //程序设置阶段的操作函数。 + virtual void WakeEvent() = 0; + //程序运行阶段的操作函数。 + virtual void LoopEvent() = 0; + //程序清理阶段的操作函数。 + virtual void ClearEvent() = 0; + + //可以将操作函数作为一种事件，可以从外界传入写好的事件函数， + //那么就需要将操作函数设定为静态函数 + + }; + +} diff --git a/lci/include/lci/ansi.h b/lci/include/lci/ansi.h new file mode 100644 index 0000000..d0c8758 --- /dev/null +++ b/lci/include/lci/ansi.h @@ -0,0 +1,15 @@ +#pragma once +#include +#include +namespace qing { +/* ANSI是WINDOWS操作系统默认的编码格式。 */ +class ansi{ +public: + static int size_gb18030(unsigned char *c, size_t maxLen); + static int size_gb2312(unsigned char first_byte); + class WrongLength: public std::runtime_error { /* 非法的长度 */ + public: + WrongLength(): std::runtime_error("") {} + }; +}; +} diff --git a/lci/include/lci/fsm.h b/lci/include/lci/fsm.h new file mode 100644 index 0000000..5067ccb --- /dev/null +++ b/lci/include/lci/fsm.h @@ -0,0 +1,37 @@ +#pragma once +#include +#include +namespace qing{ +namespace lci{ + //用来存储状态的枚举类型 + enum Stat{ + SSHUT = -1, + SSTOP = 0, + SSTART = 1, + SRUNNING = 2 + };//Status + + class Fsm {//FiniteStateMachine有限状态机 + public: + //构造函数 + Fsm(); + //检查状态 + enum Stat chk(); + //改变状态 + void wake(); + void stop(); + void shut(); + void run(); + //protected: + //等待事件唤醒 + void suspend(); + private: + //锁类型，确保状态机线程安全 + std::mutex lock; + //条件变量，用来执行等待或者唤醒 + std::condition_variable cv; + //存放状态机的状态 + enum Stat stat; + };//StateMachine +}//lci +}//qing diff --git a/lci/include/lci/p_th.h b/lci/include/lci/p_th.h new file mode 100644 index 0000000..c145c57 --- /dev/null +++ b/lci/include/lci/p_th.h @@ -0,0 +1,160 @@ +#pragma once +#include "Area.h" +#include "CmdArea.h" +#include "CommonThread.h" +namespace qing { +namespace lci{ +/* PrintThread 打印线程 */ +class p_th: public CommonThread { +public: + /** + * 构造函数 传入要读取的控制台设备文件描述符，背景画布，以及命令行区域 + */ + p_th(std::string name, int masterfd, Drawable *back, CmdArea *font) + : CommonThread(name) { + this->masterfd = masterfd; + this->back = back; + this->font = font; + } + + /** + * 析构函数 关闭线程 + * + * 我在可控制线程中主要遇到的问题便是线程的自主终止， + * + * 在 Python 中似乎是只能实现可控制线程的手动退出的， + * + * 我在想是不是在cpp中也做成那样。 + * + * + * FIXME(20260108): 啥意思不懂 + */ + ~p_th(){ + + /* 使线程自主关闭 */ + if (this->chk() != lci::SSHUT){ + this->shut(); + } + + /* 等待线程退出 */ + this->WaitClose(); + + } + + /** + * 暂时删除复制构造函数，因为复制出一个与原来线程无关的空白线程似乎没有什么作用 + * + * 如果让两个变量引用同一个线程，会使得它们在结束的时候出现错误。 + */ + p_th(p_th&) = delete; + + + /** + * 线程睡眠阶段的操作函数，线程等待。 + * + * suspend() 方法似乎不太稳定，我还得再测试测试。 + */ + void StopEvent() override { + this->suspend(); + } + + /** + * 线程苏醒之后执行的操作，线程启动。 + * + * 我不知道为什么要等待1秒。 + */ + void WakeEvent() { + + /* 将文件描述符集合清零 */ + FD_ZERO(&read_fds); + + /* 清空缓存字符串 */ + output = ""; + + /* 设置完毕，线程进入运行态 */ + this->run(); + + } + + /** + * 线程运行阶段的循环体，线程运行。 + * + * 使用 SELECT 进行缓冲区的探测。 + */ + void LoopEvent() { + + /* 对可读集合进行清零 */ + //FD_ZERO(&read_fds); + + /* 设置可读集合 */ + //FD_SET(masterfd, &read_fds); + + /** + * 仅在集合中不存在控制台描述符时，才往其中添加该描述符 + * + * 在这个集合中，应该只会存在这一个文件描述符吧 + */ + if (!FD_ISSET(masterfd, &read_fds)) + FD_SET(masterfd, &read_fds); + + /* 设置超时时间 */ + timeout.tv_sec = 0; + timeout.tv_usec = 10000; + + int ret = select(masterfd + 1, &read_fds, NULL, NULL, &timeout); + if (ret == -1) { + //throw std::runtime_error("select"); + //this->stop(); + return; /* qing(20260108): 为什么不停止 */ + } else if (ret == 0) { /* No data to read 无值可读 */ + if (output == "") return; /* 在空闲时进行打印*/ + font->print((char*)output.c_str(), 0); /* 按次为单位进行刷新应该可以提高效率 20260108(qing): ？*/ + back->flush(font, false); + output = ""; + } else { + if (FD_ISSET(masterfd, &read_fds)) { /* 有值可读 */ + nread = read(masterfd, buffer, sizeof(buffer)); + if (nread > 0) { + buffer[nread] = '\0'; + output += buffer; + } + } + } + + } + + /** + * 线程执行过后的清理函数，清理资源。 + * + * 什么也不做。我们在唤醒时并未申请资源。 + */ + void ClearEvent() { + ; + } + + +private: + + int masterfd; /* 对象中存储的要读取的控制台设备文件描述符。 */ + + Drawable *back; /* 对象中存储的背景画布指针 */ + + CmdArea *font; /* 对象中存储的命令行区域指针 */ + + std::string output; /* 从终端设备中读取的进程输出 */ + + //-------------------------------------------- + /* 下面的变量是为了提高速度，避免重复申请 */ + + fd_set read_fds; /* 文件描述符集合，用于存储 SELECT 返回的可读区域 */ + + struct timeval timeout; /* 时间结构体 用于传入 SELECT 函数的超时时间 */ + + ssize_t nread; /* 这一次从控制台中所读取大小 */ + + char buffer[1024]; /* 存储从控制台中读取字符的缓冲区，一次最多读这么多 */ + +}; + +} +} diff --git a/lci/include/lci/utf8.h b/lci/include/lci/utf8.h new file mode 100644 index 0000000..dae86bf --- /dev/null +++ b/lci/include/lci/utf8.h @@ -0,0 +1,8 @@ +#pragma once +namespace qing { +class utf8{ /* */ +public: + static int size(const unsigned char c); + static char *to_ansi(char *s); +}; +} diff --git a/lci/include/lci/图层区域.hpp b/lci/include/lci/图层区域.hpp new file mode 100644 index 0000000..0fdc3ce --- /dev/null +++ b/lci/include/lci/图层区域.hpp @@ -0,0 +1,114 @@ +/* 图层区域是能够绘制图片的区域类型 */ +#define cimg_display 0 +#define cimg_use_jpeg +#define cimg_use_png +#include +#include "cn/中文化.hpp" +#include "lci/Area.h" +使用 命名空间 cimg_library; +命名空间 qing { +类 图层区域: 公开的 Area { /* 图层区域 */ +公开的: + 图层区域(Drawable *d, int w, int h, int x, int y, int rotate, int fontsize, CImg& img) + : Area(d, w, h, x, y, rotate, fontsize) { + /* 储存图片，需要调用图片的构造函数 */ + this->img = img; + } + 空类型 涂写图像() { + 单精度小数 区域长宽比 = (float)w / h; + 单精度小数 图片长宽比 = (float)img.width() / img.height(); + /* 长宽比越大，代表图片越横向细长 + * 长宽比越小，代表图片越竖向细长 + * 长宽比为1时，图片为正方形 + * + * 图片长宽比较大时，取区域长 + * 图片长宽比较小时，取区域高 */ + 逻辑型 长为标准 = 图片长宽比 > 区域长宽比; + 如果(长为标准) { + auto fixed = scaleByWidth(this->img, this->w); + CImg gray = 转灰度图(fixed); + auto start = (int)(this->h - gray.height()) / 2; + for (int y = 0; y < gray.height(); ++y) { + for (int x = 0; x < gray.width(); ++x){ + auto xx = x; + auto yy = y + start; + auto clr1 = 颜色转换(gray(x, y), this->clr); + this->point(xx, yy, clr1); + } + } + } + 否则{ /* 以宽为标准 */ + auto fixed = scaleByHeight(this->img, this->h); + auto gray = 转灰度图(fixed); + auto start = (int)(this->w - gray.width()) / 2; + for (int y = 0; y < gray.height(); ++y) { + for (int x = 0; x < gray.width(); ++x){ + auto xx = x + start; + auto yy = y; + auto clr1 = 颜色转换(gray(x, y), this->clr); + this->point(xx, yy, clr1); + } + } + } + } +私有的: + CImg img; + /* 以长为标准缩放 */ + static CImg scaleByWidth(const CImg& src, int newWidth) { + /* 计算缩放比例 */ + float ratio = (float)newWidth / src.width(); + int newHeight = (int)(src.height() * ratio); + + /* 使用_resize方法进行缩放 */ + return src.get_resize(newWidth, newHeight, -100, -100, 5); + } + /* 以高为标准缩放 */ + static CImg scaleByHeight(const CImg& src, int newHeight) { + /* 计算缩放比例 */ + float ratio = (float)newHeight / src.height(); + int newWidth = (int)(src.width() * ratio); + + /* 计算_resize方法进行缩放 */ + return src.get_resize(newWidth, newHeight, -100, -100, 5); + } + /* 将灰度颜色转换为我们目前画笔的颜色 */ + 静态的 Color 颜色转换(无符号 字符 灰度, Color clr) { + 单精度小数 红 = (单精度小数)clr.r / 255; + 单精度小数 绿 = (单精度小数)clr.g / 255; + 单精度小数 蓝 = (单精度小数)clr.b / 255; + 自动的 结果 = Color(红* 灰度*255, 绿*灰度*255, 蓝*灰度*255); + 返回 结果; + } + + /* 将CImg对象转为灰度图 */ + 静态的 CImg 转灰度图(CImg& img) { + + if (img.spectrum() == 3) { + return img.get_normalize(0, 255).get_RGBtoXYZ().get_channel(1); + } + else if (img.spectrum() ==4) { + + auto rgb_img = t_4_to_3(img); + return rgb_img.get_RGBtoXYZ().get_channel(1); + } + else { + 抛出异常 std::runtime_error("没有对应通道数的算法"); + } + } + + /* 将4通道图片转为3通道 */ + 静态的 CImg t_4_to_3(CImg& img) { + // 创建RGB图像（3通道） + CImg rgb_img(img.width(), img.height(), 1, 3); + + cimg_forXY(rgb_img, x, y) { + rgb_img(x, y, 0, 0) = img(x, y, 0, 0); // R + rgb_img(x, y, 0, 1) = img(x, y, 0, 1); // G + rgb_img(x, y, 0, 2) = img(x, y, 0, 2); // B + // 忽略alpha通道 img(x, y, 0, 3) + } + + return rgb_img; + } +}; +} diff --git a/lci/include/lci/字体绘制器.h b/lci/include/lci/字体绘制器.h new file mode 100644 index 0000000..570e05b --- /dev/null +++ b/lci/include/lci/字体绘制器.h @@ -0,0 +1,121 @@ +/* + * 用于在可绘制对象上绘制中文文字 + * + * 绘制时将对象作为参数传入 + */ + +#include "cn/中文化.hpp" +#include "lci/Drawable.h" +/* 用于文字的绘制，只要不动就线程安全 */ +extern unsigned char ttu[]; +extern int ttunumber; +extern unsigned char zzhi[]; +extern int zzhinumber; + +命名空间 qing { +类 字体绘制器 { +私有的: + /*------ fonts lib ------ + * 文字库 */ + int font_w, font_h; + unsigned short *chss = (unsigned short *)zzhi; + unsigned char *vec = ttu; + int zn = zzhinumber; + int vennum = ttunumber; + + unsigned char *drawvect(Drawable* d, int x, int y, unsigned char *vect, int width, int high, Color &clr) + // x, y是左上角坐标，vect指向矢量图数据，width和high分别代表要绘制的图的宽和高(好像宽需要=高) + { + if (!vect) return nullptr; + int i = 0, j = 1; // 指向第一对数字 + unsigned char ix, iy; // 从数组取出的第一对坐标放在这 + double x1, y1;//, x2, y2; // 绘制直线的实数的坐标 + if (high == 0) high = width; // 调节高宽 + int ii1, jj1, ii2, jj2; // 最后算出的绘制直线的坐标 + int isend = 0; //是否到达曲线尾 + int isallend = 0; // 是否结束整个图像 + do { + ix = vect[i]; + iy = vect[j]; + isend = ix & 1; // 奇数代表曲线尾 + isallend = iy & 1; // 奇数代表整个图像结束 + if (isallend) { + i += 2; + break; // 整个图像结束返回 + } + if (isend) { // 如果这里曲线结束什么也不画进到下一条曲线 + i += 2; + j += 2; + continue; + } + ix /= 2; + iy /= 2; + x1 = ix; + y1 = iy; + x1 = width * x1 / 128.0; + y1 = high * y1 / 128.0; + ii1 = (int)(x1 + x); + jj1 = (int)(y1 + y); + int k; + for (k = 0; k < 100000; k++) { + //x2 = x1; + //y2 = y1; + ii2 = ii1; + jj2 = jj1; + i += 2; + j += 2; + ix = vect[i]; + iy = vect[j]; + isend = ix & 1; //奇数代表曲线尾 + isallend = iy & 1; //奇数代表整个图像结束 + ix /= 2; + iy /= 2; + x1 = ix; + y1 = iy; + x1 = width * x1 / 128.0; + y1 = high * y1 / 128.0; + ii1 = (int)(x1 + x); + jj1 = (int)(y1 + y); + d->line(ii1, jj1, ii2, jj2, clr); + if (isend || isallend) + break; + } + i += 2; //指向下一条曲线 + j += 2; + } while (!isallend); + return vect + i; + } + +公开的: + 字体绘制器(const int font_w, const int font_h) + : font_w(font_w), font_h(font_h) {} + + /* 绘制文字 */ + void drawvfont(Drawable* d, int x, int y, unsigned short z, Color &clr) { + int i, j, k, ii; + j = -1; + for (i = 0; i < zn; i++) { + if (chss[i] == z) { + j = i; + break; + } + } + if (j < 0) return; + k = 0; + for (i = 0; i < vennum; i++) { + if (k == j) + break; + for (ii =i; ii +#include +#include +#include "../Dashun.h" + +// 卷积神经网络构建辅助类（整合卷积、池化、展平层） +class CNNBuilder { +private: + std::vector(const std::vector&, int, bool)>> forward_layers; + std::vector(const std::vector&, int)>> backward_layers; + std::vector> layer_shapes; + +public: + // 添加卷积层 + void add_conv_layer(ConvLayer& conv, int in_channels, int height, int width) { + conv.set_input_shape(height, width); + auto [out_height, out_width] = conv.get_output_shape(); + + forward_layers.push_back([&conv](const std::vector& input, int batch, bool train) { + return conv.forward(input, batch, train); + }); + + backward_layers.push_back([&conv](const std::vector& grad, int batch) { + auto a = conv.backward(grad, batch); + conv.update_parameters(0.3); + return a; + }); + + layer_shapes.push_back({"Conv", in_channels, out_height, out_width}); + } + + // 添加池化层 + void add_pool_layer(PoolingLayer& pool, int in_channels, int height, int width) { + pool.set_input_shape(in_channels, height, width); + auto [out_channels, out_height, out_width] = pool.get_output_shape(); + + forward_layers.push_back([&pool](const std::vector& input, int batch, bool train) { + return pool.forward(input, batch, train); + }); + + backward_layers.push_back([&pool](const std::vector& grad, int batch) { + return pool.backward(grad, batch); + }); + + layer_shapes.push_back({"Pool", out_channels, out_height, out_width}); + } + + // 添加展平层 + void add_flatten_layer(FlattenLayer& flatten, int in_channels, int height, int width) { + flatten.set_input_shape(in_channels, height, width); + int out_size = flatten.get_output_size(); + + forward_layers.push_back([&flatten](const std::vector& input, int batch, bool train) { + return flatten.forward(input, batch, train); + }); + + backward_layers.push_back([&flatten](const std::vector& grad, int batch) { + return flatten.backward(grad, batch); + }); + + layer_shapes.push_back({"Flatten", out_size, 1, 1}); + } + + // 前向传播（整个网络） + std::vector forward(const std::vector& input, int batch_size = 1, bool training = true) { + std::vector current = input; + + for (size_t i = 0; i < forward_layers.size(); i++) { + current = forward_layers[i](current, batch_size, training); + + if (current.empty()) { + std::cerr << "Error in layer " << i << " (" + << std::get<0>(layer_shapes[i]) << ")" << std::endl; + return std::vector(); + } + } + + return current; + } + + // 反向传播（整个网络） + std::vector backward(const std::vector& grad_output, int batch_size = 1) { + std::vector current_grad = grad_output; + + for (int i = backward_layers.size() - 1; i >= 0; i--) { + current_grad = backward_layers[i](current_grad, batch_size); + + if (current_grad.empty()) { + std::cerr << "Error in backward pass of layer " << i << " (" + << std::get<0>(layer_shapes[i]) << ")" << std::endl; + return std::vector(); + } + } + + return current_grad; + } + + // 打印网络结构 + void print_architecture() const { + std::cout << "CNN Architecture:" << std::endl; + std::cout << "=================" << std::endl; + + for (size_t i = 0; i < layer_shapes.size(); i++) { + auto [layer_type, channels, height, width] = layer_shapes[i]; + + if (layer_type == "Flatten") { + std::cout << "Layer " << i << ": " << layer_type + << " -> Output size: " << channels << std::endl; + } else { + std::cout << "Layer " << i << ": " << layer_type + << " -> Output shape: " << channels + << "x" << height << "x" << width << std::endl; + } + } + } +}; + +/* + +// 构建简单CNN +ConvLayer conv1(3, 16, 3, 1, 1); +PoolingLayer pool1(2, 2, 2); +ConvLayer conv2(16, 32, 3, 1, 1); +PoolingLayer pool2(2, 2, 2); +FlattenLayer flatten; + +// 使用CNN构建器 +CNNBuilder cnn; +cnn.add_conv_layer(conv1, 3, 32, 32); +cnn.add_pool_layer(pool1, 16, 32, 32); +cnn.add_conv_layer(conv2, 16, 16, 16); +cnn.add_pool_layer(pool2, 32, 16, 16); +cnn.add_flatten_layer(flatten, 32, 8, 8); + +// 执行前向传播 +auto output = cnn.forward(input_data, batch_size, true); + +*/ + + diff --git a/lci/include/nn/ConvLayer.hpp b/lci/include/nn/ConvLayer.hpp new file mode 100644 index 0000000..4921815 --- /dev/null +++ b/lci/include/nn/ConvLayer.hpp @@ -0,0 +1,562 @@ +#pragma once +#include +#include +#include +#include +#include +#include +#include +#include +#include + +class ConvLayer { +private: + // 参数 + int input_channels; + int output_channels; + int kernel_size; + int stride; + int padding; + int input_height; + int input_width; + int output_height; + int output_width; + + // Leaky ReLU参数 + float negative_slope; // Leaky ReLU的负斜率，通常为0.01 + + // 权重和偏置 + std::vector weights; // shape: [output_channels, input_channels, kernel_size, kernel_size] + std::vector bias; // shape: [output_channels] + + // 梯度和动量 + std::vector d_weights; // 权重梯度 + std::vector d_bias; // 偏置梯度 + std::vector weight_momentum; // 动量 + std::vector bias_momentum; // 偏置动量 + + // 中间变量缓存（用于反向传播） + std::vector col_buffer; // im2col后的矩阵 + std::vector input_cache; // 缓存的输入（用于计算输入梯度） + std::vector output_cache; // 缓存的输出（激活前） + std::vector activated_cache; // 激活后的输出缓存 + std::vector col_cache; // 缓存的col矩阵（用于权重梯度计算） + + // 辅助函数 + void im2col(const float* input, int batch_size); + void col2im(const float* col, float* im, int batch_size); + void sgemm(int M, int N, int K, + const float* A, const float* B, float* C, + bool transA = false, bool transB = false); + void sgemm_add(int M, int N, int K, + const float* A, const float* B, float* C, + float alpha = 1.0f, float beta = 1.0f, + bool transA = false, bool transB = false); + + // Leaky ReLU激活函数及其导数 + inline float leaky_relu(float x) const { + return x > 0 ? x : negative_slope * x; + } + + inline float leaky_relu_derivative(float x) const { + return x > 0 ? 1.0f : negative_slope; + } + + // 应用激活函数到整个张量 + void apply_leaky_relu(float* data, int size) { + for (int i = 0; i < size; i++) { + data[i] = leaky_relu(data[i]); + } + } + + // 计算激活函数的梯度 + void compute_activation_gradient(const float* pre_activation, float* gradient, int size) { + for (int i = 0; i < size; i++) { + gradient[i] *= leaky_relu_derivative(pre_activation[i]); + } + } + +public: + // 构造函数 - 添加negative_slope参数 + ConvLayer(int in_channels, int out_channels, + int kernel_size, int stride = 1, int padding = 0, + float negative_slope = 0.01f) + : input_channels(in_channels), + output_channels(out_channels), + kernel_size(kernel_size), + stride(stride), + padding(padding), + negative_slope(negative_slope) { + + // 初始化权重和偏置 + int weight_size = out_channels * in_channels * kernel_size * kernel_size; + weights.resize(weight_size); + d_weights.resize(weight_size, 0.0f); + weight_momentum.resize(weight_size, 0.0f); + + bias.resize(out_channels); + d_bias.resize(out_channels, 0.0f); + bias_momentum.resize(out_channels, 0.0f); + + // He初始化（适合ReLU激活函数） + float std_dev = sqrt(2.0f / (in_channels * kernel_size * kernel_size)); + std::default_random_engine generator; + std::normal_distribution distribution(0.0f, std_dev); + + for (int i = 0; i < weight_size; i++) { + weights[i] = distribution(generator); + } + + for (int i = 0; i < out_channels; i++) { + bias[i] = 0.1f; // 小的正偏置 + } + } + + // 设置输入尺寸（计算输出尺寸） + void set_input_shape(int height, int width) { + input_height = height; + input_width = width; + + output_height = (height + 2 * padding - kernel_size) / stride + 1; + output_width = (width + 2 * padding - kernel_size) / stride + 1; + + // 预分配缓冲区 + int col_height = input_channels * kernel_size * kernel_size; + int col_width = output_height * output_width; + col_buffer.resize(col_height * col_width); + + // 清空缓存 + input_cache.clear(); + output_cache.clear(); + activated_cache.clear(); + col_cache.clear(); + } + + // 前向传播 + std::vector forward(const std::vector& input, int batch_size = 1, bool training = true) { + // 计算输出大小 + int output_size = batch_size * output_channels * output_height * output_width; + std::vector output(output_size, 0.0f); + std::vector pre_activation(output_size, 0.0f); // 激活前的输出 + + // 如果训练模式，缓存输入 + if (training) { + input_cache = input; + } + + // 对batch中的每个样本进行处理 + for (int b = 0; b < batch_size; b++) { + const float* input_ptr = input.data() + b * input_channels * input_height * input_width; + + // 1. im2col转换 + im2col(input_ptr, 1); + + // 2. 矩阵乘法：weights * col_buffer + int M = output_channels; // 输出通道数 + int N = output_height * output_width; // 输出特征图大小 + int K = input_channels * kernel_size * kernel_size; // 卷积核展平大小 + + // 如果训练模式，缓存col矩阵 + if (training && b == 0) { + col_cache = col_buffer; + } + + // 临时存储矩阵乘法结果（激活前） + std::vector gemm_result(M * N, 0.0f); + sgemm(M, N, K, weights.data(), col_buffer.data(), gemm_result.data()); + + // 3. 加上偏置并存储到pre_activation + float* pre_activation_ptr = pre_activation.data() + b * output_channels * output_height * output_width; + float* output_ptr = output.data() + b * output_channels * output_height * output_width; + + for (int oc = 0; oc < output_channels; oc++) { + float bias_val = bias[oc]; + for (int i = 0; i < output_height * output_width; i++) { + float value = gemm_result[oc * N + i] + bias_val; + pre_activation_ptr[oc * output_height * output_width + i] = value; + + // 4. 应用Leaky ReLU激活函数 + output_ptr[oc * output_height * output_width + i] = leaky_relu(value); + } + } + } + + // 如果训练模式，缓存激活前和激活后的输出 + if (training) { + output_cache = pre_activation; // 缓存激活前的输出 + activated_cache = output; // 缓存激活后的输出 + } + + return output; // 返回激活后的输出 + } + + // 反向传播 + std::vector backward(const std::vector& grad_output, int batch_size = 1) { + // grad_output是激活函数后的梯度，需要先计算激活函数前的梯度 + std::vector grad_pre_activation(grad_output); + + // 计算激活函数的梯度：grad_pre_activation = grad_output * leaky_relu_derivative(pre_activation) + for (int b = 0; b < batch_size; b++) { + const float* pre_activation_ptr = output_cache.data() + b * output_channels * output_height * output_width; + float* grad_ptr = grad_pre_activation.data() + b * output_channels * output_height * output_width; + + for (int i = 0; i < output_channels * output_height * output_width; i++) { + grad_ptr[i] *= leaky_relu_derivative(pre_activation_ptr[i]); + } + } + + // 1. 计算偏置梯度: d_bias = sum(grad_pre_activation, axis=(0,2,3)) + std::fill(d_bias.begin(), d_bias.end(), 0.0f); + for (int b = 0; b < batch_size; b++) { + const float* grad_ptr = grad_pre_activation.data() + b * output_channels * output_height * output_width; + for (int oc = 0; oc < output_channels; oc++) { + float sum = 0.0f; + for (int i = 0; i < output_height * output_width; i++) { + sum += grad_ptr[oc * output_height * output_width + i]; + } + d_bias[oc] += sum; + } + } + + // 2. 计算权重梯度: d_weights = grad_pre_activation_col * col_cache^T + std::fill(d_weights.begin(), d_weights.end(), 0.0f); + + int M = output_channels; // 输出通道数 + int N = input_channels * kernel_size * kernel_size; // 卷积核展平大小 + int K = output_height * output_width; // 输出特征图大小 + + // 将grad_pre_activation reshape为矩阵 [output_channels, batch_size * output_height * output_width] + std::vector grad_pre_activation_mat(M * K * batch_size, 0.0f); + for (int b = 0; b < batch_size; b++) { + const float* grad_ptr = grad_pre_activation.data() + b * output_channels * output_height * output_width; + for (int oc = 0; oc < output_channels; oc++) { + for (int i = 0; i < output_height * output_width; i++) { + grad_pre_activation_mat[oc * (K * batch_size) + b * K + i] = + grad_ptr[oc * output_height * output_width + i]; + } + } + } + + // 扩展col_cache以匹配batch大小 + std::vector col_cache_batched(N * K * batch_size, 0.0f); + for (int b = 0; b < batch_size; b++) { + std::copy(col_cache.begin(), col_cache.end(), + col_cache_batched.begin() + b * N * K); + } + + // 矩阵乘法: d_weights = grad_pre_activation_mat * col_cache_batched^T + // grad_pre_activation_mat: [M, K*batch_size], col_cache_batched^T: [K*batch_size, N] + sgemm_add(M, N, K * batch_size, + grad_pre_activation_mat.data(), col_cache_batched.data(), d_weights.data(), + 1.0f, 0.0f, false, true); + + // 3. 计算输入梯度: d_input_col = weights^T * grad_pre_activation_mat + // 然后通过col2im将d_input_col转换为d_input + std::vector d_input(batch_size * input_channels * input_height * input_width, 0.0f); + + // 计算d_input_col + std::vector d_input_col(N * K * batch_size, 0.0f); + sgemm(N, K * batch_size, M, + weights.data(), grad_pre_activation_mat.data(), d_input_col.data(), + true, false); + + // 将d_input_col通过col2im转换回输入形状 + for (int b = 0; b < batch_size; b++) { + float* d_input_ptr = d_input.data() + b * input_channels * input_height * input_width; + col2im(d_input_col.data() + b * N * K, d_input_ptr, 1); + } + + return d_input; + } + + // 更新参数（使用SGD with momentum） + void update_parameters(float learning_rate = 0.01f, float momentum = 0.9f) { + // 更新权重 + for (size_t i = 0; i < weights.size(); i++) { + weight_momentum[i] = momentum * weight_momentum[i] - learning_rate * d_weights[i]; + weights[i] += weight_momentum[i]; + } + + // 更新偏置 + for (size_t i = 0; i < bias.size(); i++) { + bias_momentum[i] = momentum * bias_momentum[i] - learning_rate * d_bias[i]; + bias[i] += bias_momentum[i]; + } + + // 重置梯度（可选） + // std::fill(d_weights.begin(), d_weights.end(), 0.0f); + // std::fill(d_bias.begin(), d_bias.end(), 0.0f); + } + + // Adam优化器更新参数 + void update_parameters_adam(float learning_rate = 0.001f, + float beta1 = 0.9f, float beta2 = 0.999f, + float epsilon = 1e-8f, int t = 1) { + static std::vector m_weights(weights.size(), 0.0f); + static std::vector v_weights(weights.size(), 0.0f); + static std::vector m_bias(bias.size(), 0.0f); + static std::vector v_bias(bias.size(), 0.0f); + + // 更新权重的一阶矩和二阶矩估计 + for (size_t i = 0; i < weights.size(); i++) { + m_weights[i] = beta1 * m_weights[i] + (1 - beta1) * d_weights[i]; + v_weights[i] = beta2 * v_weights[i] + (1 - beta2) * d_weights[i] * d_weights[i]; + + // 偏差校正 + float m_hat = m_weights[i] / (1 - powf(beta1, t)); + float v_hat = v_weights[i] / (1 - powf(beta2, t)); + + // 更新权重 + weights[i] -= learning_rate * m_hat / (sqrtf(v_hat) + epsilon); + } + + // 更新偏置的一阶矩和二阶矩估计 + for (size_t i = 0; i < bias.size(); i++) { + m_bias[i] = beta1 * m_bias[i] + (1 - beta1) * d_bias[i]; + v_bias[i] = beta2 * v_bias[i] + (1 - beta2) * d_bias[i] * d_bias[i]; + + // 偏差校正 + float m_hat = m_bias[i] / (1 - powf(beta1, t)); + float v_hat = v_bias[i] / (1 - powf(beta2, t)); + + // 更新偏置 + bias[i] -= learning_rate * m_hat / (sqrtf(v_hat) + epsilon); + } + } + + // 获取参数 + const std::vector& get_weights() const { return weights; } + const std::vector& get_bias() const { return bias; } + const std::vector& get_weight_gradients() const { return d_weights; } + const std::vector& get_bias_gradients() const { return d_bias; } + + // 设置参数（用于加载预训练模型） + void set_weights(const std::vector& new_weights) { weights = new_weights; } + void set_bias(const std::vector& new_bias) { bias = new_bias; } + + // 设置Leaky ReLU参数 + void set_leaky_relu_slope(float slope) { negative_slope = slope; } + + // 获取输出尺寸 + std::tuple get_output_shape() const { + return std::make_tuple(output_height, output_width); + } + + // 梯度检查（用于调试） + float gradient_check(const std::vector& input, + const std::vector& grad_output, + int weight_idx, float epsilon = 1e-5f) { + // 保存原始权重 + float original_weight = weights[weight_idx]; + + // 计算f(x + epsilon) + weights[weight_idx] = original_weight + epsilon; + auto output_plus = forward(input, 1, false); + + // 计算f(x - epsilon) + weights[weight_idx] = original_weight - epsilon; + auto output_minus = forward(input, 1, false); + + // 恢复原始权重 + weights[weight_idx] = original_weight; + + // 计算数值梯度 + float numerical_grad = 0.0f; + for (size_t i = 0; i < output_plus.size(); i++) { + numerical_grad += grad_output[i] * (output_plus[i] - output_minus[i]) / (2 * epsilon); + } + + // 返回梯度差异 + return fabs(numerical_grad - d_weights[weight_idx]); + } +}; + +// im2col实现 - 将图像转换为矩阵 +void ConvLayer::im2col(const float* input, int batch_size) { + int col_height = input_channels * kernel_size * kernel_size; + int col_width = output_height * output_width; + + int input_h_padded = input_height + 2 * padding; + int input_w_padded = input_width + 2 * padding; + + // 创建填充后的输入（如果需要） + std::vector padded_input; + const float* input_data = input; + + if (padding > 0) { + padded_input.resize(input_channels * input_h_padded * input_w_padded, 0.0f); + for (int c = 0; c < input_channels; c++) { + for (int h = 0; h < input_height; h++) { + for (int w = 0; w < input_width; w++) { + int padded_idx = c * input_h_padded * input_w_padded + + (h + padding) * input_h_padded + (w + padding); + int orig_idx = c * input_height * input_width + h * input_width + w; + padded_input[padded_idx] = input[orig_idx]; + } + } + } + input_data = padded_input.data(); + } + + // 执行im2col + int col_idx = 0; + for (int c = 0; c < input_channels; c++) { + for (int kh = 0; kh < kernel_size; kh++) { + for (int kw = 0; kw < kernel_size; kw++) { + for (int h = 0; h < output_height; h++) { + for (int w = 0; w < output_width; w++) { + int input_h = h * stride + kh; + int input_w = w * stride + kw; + + int input_idx = c * input_h_padded * input_w_padded + + input_h * input_w_padded + input_w; + + col_buffer[col_idx++] = input_data[input_idx]; + } + } + } + } + } +} + +// col2im实现 - 将矩阵转换回图像（用于梯度传播） +void ConvLayer::col2im(const float* col, float* im, int batch_size) { + int col_height = input_channels * kernel_size * kernel_size; + int col_width = output_height * output_width; + + int input_h_padded = input_height + 2 * padding; + int input_w_padded = input_width + 2 * padding; + + // 创建填充后的图像缓冲区 + std::vector padded_im(input_channels * input_h_padded * input_w_padded, 0.0f); + + // 执行col2im + int col_idx = 0; + for (int c = 0; c < input_channels; c++) { + for (int kh = 0; kh < kernel_size; kh++) { + for (int kw = 0; kw < kernel_size; kw++) { + for (int h = 0; h < output_height; h++) { + for (int w = 0; w < output_width; w++) { + int input_h = h * stride + kh; + int input_w = w * stride + kw; + + int input_idx = c * input_h_padded * input_w_padded + + input_h * input_w_padded + input_w; + + padded_im[input_idx] += col[col_idx++]; + } + } + } + } + } + + // 去除padding，得到原始输入梯度 + if (padding > 0) { + for (int c = 0; c < input_channels; c++) { + for (int h = 0; h < input_height; h++) { + for (int w = 0; w < input_width; w++) { + int padded_idx = c * input_h_padded * input_w_padded + + (h + padding) * input_w_padded + (w + padding); + int orig_idx = c * input_height * input_width + h * input_width + w; + im[orig_idx] = padded_im[padded_idx]; + } + } + } + } else { + std::copy(padded_im.begin(), padded_im.end(), im); + } +} + +// 优化的矩阵乘法 +void ConvLayer::sgemm(int M, int N, int K, + const float* A, const float* B, float* C, + bool transA, bool transB) { + // 初始化输出为0 + std::memset(C, 0, M * N * sizeof(float)); + + // 调用带参数的版本 + sgemm_add(M, N, K, A, B, C, 1.0f, 0.0f, transA, transB); +} + +// 带参数的矩阵乘法（支持转置） +void ConvLayer::sgemm_add(int M, int N, int K, + const float* A, const float* B, float* C, + float alpha, float beta, + bool transA, bool transB) { + // 如果beta为0，清空C + if (beta == 0.0f) { + std::memset(C, 0, M * N * sizeof(float)); + } + + // 优化：使用循环展开和缓存友好的访问模式 + const int BLOCK_SIZE = 4; + + // 处理A转置的情况 + if (transA && !transB) { + // C = A^T * B + for (int i = 0; i < M; i++) { + for (int k = 0; k < K; k++) { + float a = A[k * M + i] * alpha; + if (a == 0.0f) continue; + + const float* B_ptr = B + k * N; + float* C_ptr = C + i * N; + + int j = 0; + for (; j <= N - BLOCK_SIZE; j += BLOCK_SIZE) { + C_ptr[j] += a * B_ptr[j]; + C_ptr[j + 1] += a * B_ptr[j + 1]; + C_ptr[j + 2] += a * B_ptr[j + 2]; + C_ptr[j + 3] += a * B_ptr[j + 3]; + } + for (; j < N; j++) { + C_ptr[j] += a * B_ptr[j]; + } + } + } + } else if (!transA && transB) { + // C = A * B^T + for (int i = 0; i < M; i++) { + for (int j = 0; j < N; j++) { + float sum = 0.0f; + for (int k = 0; k < K; k++) { + sum += A[i * K + k] * B[j * K + k]; + } + C[i * N + j] = beta * C[i * N + j] + alpha * sum; + } + } + } else if (transA && transB) { + // C = A^T * B^T = (B * A)^T + for (int i = 0; i < M; i++) { + for (int j = 0; j < N; j++) { + float sum = 0.0f; + for (int k = 0; k < K; k++) { + sum += A[k * M + i] * B[j * K + k]; + } + C[i * N + j] = beta * C[i * N + j] + alpha * sum; + } + } + } else { + // C = A * B + for (int i = 0; i < M; i++) { + for (int k = 0; k < K; k++) { + float a = A[i * K + k] * alpha; + if (a == 0.0f) continue; + + const float* B_ptr = B + k * N; + float* C_ptr = C + i * N; + + int j = 0; + for (; j <= N - BLOCK_SIZE; j += BLOCK_SIZE) { + C_ptr[j] += a * B_ptr[j]; + C_ptr[j + 1] += a * B_ptr[j + 1]; + C_ptr[j + 2] += a * B_ptr[j + 2]; + C_ptr[j + 3] += a * B_ptr[j + 3]; + } + for (; j < N; j++) { + C_ptr[j] += a * B_ptr[j]; + } + } + } + } +} \ No newline at end of file diff --git a/lci/include/nn/FlattenLayer.hpp b/lci/include/nn/FlattenLayer.hpp new file mode 100644 index 0000000..69084de --- /dev/null +++ b/lci/include/nn/FlattenLayer.hpp @@ -0,0 +1,366 @@ +#pragma once +#include +#include +#include +#include +#include +#include "ConvLayer.hpp" + +class FlattenLayer { +private: + // 输入输出尺寸 + int batch_size; + int input_channels; + int input_height; + int input_width; + int output_size; + + // 缓存输入形状（用于反向传播） + std::vector input_shape_cache; + std::vector input_cache; // 缓存输入数据（可选） + + // 辅助函数 + //void flatten_forward(const float* input, float* output); + //void flatten_backward(const float* grad_output, float* grad_input); + +public: + // 构造函数 + FlattenLayer() : batch_size(0), input_channels(0), + input_height(0), input_width(0), output_size(0) {} + + // 设置输入尺寸（自动计算输出尺寸） + void set_input_shape(int channels, int height, int width, int batch = 1) { + input_channels = channels; + input_height = height; + input_width = width; + batch_size = batch; + + // 计算输出大小 + output_size = channels * height * width; + + // 缓存输入形状 + input_shape_cache = {channels, height, width, batch}; + } + + // 设置输入尺寸（从卷积/池化层获取） + template + void set_input_shape(std::tuple shape_tuple) { + set_input_shape(std::get<0>(shape_tuple), + std::get<1>(shape_tuple), + std::get<2>(shape_tuple)); + } + + // 前向传播 + std::vector forward(const std::vector& input, int batch_size = 1, bool training = true) { + // 如果之前没有设置输入尺寸，自动推断 + if (input_channels == 0 && input_height == 0 && input_width == 0) { + // 这里假设输入是完整的batch数据，需要外部调用set_input_shape + // 或者根据输入大小推断（但不知道高度和宽度） + std::cerr << "Warning: Input shape not set for FlattenLayer. " + << "Please call set_input_shape() first." << std::endl; + return input; // 安全返回，但可能不正确 + } + + // 检查输入大小是否匹配 + int expected_input_size = batch_size * input_channels * input_height * input_width; + if (input.size() != static_cast(expected_input_size)) { + std::cerr << "Error: Input size mismatch in FlattenLayer. " + << "Expected: " << expected_input_size + << ", Got: " << input.size() << std::endl; + return std::vector(); + } + + // 如果训练模式，缓存输入形状 + if (training) { + this->batch_size = batch_size; + input_shape_cache = {input_channels, input_height, input_width, batch_size}; + input_cache = input; // 可选：缓存输入数据 + } + + // 计算输出大小 + int output_total_size = batch_size * output_size; + std::vector output(output_total_size, 0.0f); + + // 执行展平操作 + flatten_forward(input.data(), output.data()); + + return output; + } + + // 反向传播 + std::vector backward(const std::vector& grad_output, int batch_size = 1) { + // 检查梯度大小是否匹配 + int expected_grad_size = batch_size * output_size; + if (grad_output.size() != static_cast(expected_grad_size)) { + std::cerr << "Error: Gradient size mismatch in FlattenLayer. " + << "Expected: " << expected_grad_size + << ", Got: " << grad_output.size() << std::endl; + return std::vector(); + } + + // 恢复输入形状 + if (input_shape_cache.size() >= 4) { + input_channels = input_shape_cache[0]; + input_height = input_shape_cache[1]; + input_width = input_shape_cache[2]; + this->batch_size = input_shape_cache[3]; + } + + // 计算输入梯度大小 + int input_total_size = this->batch_size * input_channels * input_height * input_width; + std::vector grad_input(input_total_size, 0.0f); + + // 执行反向展平操作 + flatten_backward(grad_output.data(), grad_input.data()); + + return grad_input; + } + + // 获取输出尺寸 + int get_output_size() const { + return output_size; + } + + // 获取输出尺寸（返回元组） + std::tuple get_output_shape() const { + return std::make_tuple(output_size); + } + + // 获取输入尺寸 + std::tuple get_input_shape() const { + return std::make_tuple(input_channels, input_height, input_width); + } + + // 获取完整输入尺寸（包含批次） + std::tuple get_full_input_shape() const { + return std::make_tuple(input_channels, input_height, input_width, batch_size); + } + + // 打印层信息 + void print_info() const { + std::cout << "Flatten Layer Info:" << std::endl; + std::cout << " Input Shape: " << input_channels << "x" + << input_height << "x" << input_width; + if (batch_size > 0) { + std::cout << " (batch: " << batch_size << ")"; + } + std::cout << std::endl; + std::cout << " Output Size: " << output_size; + if (batch_size > 0) { + std::cout << " (total: " << batch_size * output_size << ")"; + } + std::cout << std::endl; + } + + // 重置层状态 + void reset() { + input_shape_cache.clear(); + input_cache.clear(); + batch_size = 0; + input_channels = 0; + input_height = 0; + input_width = 0; + output_size = 0; + } + + // 检查是否已初始化 + bool is_initialized() const { + return input_channels > 0 && input_height > 0 && input_width > 0; + } + +private: + // 展平前向传播实现 + void flatten_forward(const float* input, float* output) { + // 简单地将多维数据复制到一维数组 + int elements_per_sample = input_channels * input_height * input_width; + + for (int b = 0; b < batch_size; b++) { + const float* input_ptr = input + b * elements_per_sample; + float* output_ptr = output + b * output_size; + + // 直接内存复制 + std::copy(input_ptr, input_ptr + elements_per_sample, output_ptr); + + // 或者使用循环（等效） + /* + for (int i = 0; i < elements_per_sample; i++) { + output_ptr[i] = input_ptr[i]; + } + */ + } + } + + // 展平反向传播实现 + void flatten_backward(const float* grad_output, float* grad_input) { + // 反向传播只是将梯度重新整形为输入形状 + int elements_per_sample = input_channels * input_height * input_width; + + for (int b = 0; b < batch_size; b++) { + const float* grad_output_ptr = grad_output + b * output_size; + float* grad_input_ptr = grad_input + b * elements_per_sample; + + // 直接内存复制 + std::copy(grad_output_ptr, grad_output_ptr + elements_per_sample, grad_input_ptr); + + // 或者使用循环（等效） + /* + for (int i = 0; i < elements_per_sample; i++) { + grad_input_ptr[i] = grad_output_ptr[i]; + } + */ + } + } +}; + +// 动态展平层（自动推断输入形状） +class DynamicFlattenLayer { +private: + int batch_size; + int input_channels; + int input_height; + int input_width; + int output_size; + +public: + DynamicFlattenLayer() : batch_size(0), input_channels(0), + input_height(0), input_width(0), output_size(0) {} + + // 前向传播（自动推断形状） + std::vector forward(const std::vector& input, + std::tuple input_shape, + int batch_size = 1, + bool training = true) { + // 从元组获取输入形状 + input_channels = std::get<0>(input_shape); + input_height = std::get<1>(input_shape); + input_width = std::get<2>(input_shape); + this->batch_size = batch_size; + + // 验证输入大小 + int expected_size = batch_size * input_channels * input_height * input_width; + if (input.size() != static_cast(expected_size)) { + std::cerr << "Error: Input size mismatch in DynamicFlattenLayer. " + << "Expected: " << expected_size + << ", Got: " << input.size() + << " (shape: " << input_channels << "x" + << input_height << "x" << input_width + << ", batch: " << batch_size << ")" << std::endl; + return std::vector(); + } + + // 计算输出大小 + output_size = input_channels * input_height * input_width; + int total_output_size = batch_size * output_size; + std::vector output(total_output_size); + + // 执行展平 + const float* input_ptr = input.data(); + float* output_ptr = output.data(); + + int elements_per_sample = output_size; + for (int b = 0; b < batch_size; b++) { + std::copy(input_ptr, input_ptr + elements_per_sample, output_ptr); + input_ptr += elements_per_sample; + output_ptr += elements_per_sample; + } + + return output; + } + + // 反向传播 + std::vector backward(const std::vector& grad_output, int batch_size = 1) { + // 检查是否已初始化 + if (output_size == 0) { + std::cerr << "Error: DynamicFlattenLayer not initialized. " + << "Call forward() first." << std::endl; + return std::vector(); + } + + // 验证梯度大小 + int expected_grad_size = batch_size * output_size; + if (grad_output.size() != static_cast(expected_grad_size)) { + std::cerr << "Error: Gradient size mismatch in DynamicFlattenLayer. " + << "Expected: " << expected_grad_size + << ", Got: " << grad_output.size() << std::endl; + return std::vector(); + } + + // 恢复输入形状 + int total_input_size = batch_size * input_channels * input_height * input_width; + std::vector grad_input(total_input_size); + + // 执行反向展平 + const float* grad_output_ptr = grad_output.data(); + float* grad_input_ptr = grad_input.data(); + + int elements_per_sample = output_size; + for (int b = 0; b < batch_size; b++) { + std::copy(grad_output_ptr, grad_output_ptr + elements_per_sample, grad_input_ptr); + grad_output_ptr += elements_per_sample; + grad_input_ptr += elements_per_sample; + } + + return grad_input; + } + + // 获取输出尺寸 + int get_output_size() const { return output_size; } + + // 获取输入形状 + std::tuple get_input_shape() const { + return std::make_tuple(input_channels, input_height, input_width); + } +}; + +// 使用示例函数 +inline void flatten_layer_example() { + std::cout << "=== Flatten Layer Example ===" << std::endl; + + // 创建展平层 + FlattenLayer flatten; + + // 设置输入形状（例如从池化层获取的输出） + // 假设池化层输出：64通道，7x7特征图 + flatten.set_input_shape(64, 7, 7); + + // 创建模拟输入数据（batch_size=2） + int batch_size = 2; + std::vector input(2 * 64 * 7 * 7); + for (size_t i = 0; i < input.size(); i++) { + input[i] = static_cast(i) / 100.0f; + } + + // 前向传播 + std::cout << "Forward pass..." << std::endl; + auto output = flatten.forward(input, batch_size, true); + + std::cout << "Input size: " << input.size() << std::endl; + std::cout << "Output size: " << output.size() << std::endl; + std::cout << "Expected output size per sample: " << flatten.get_output_size() << std::endl; + + // 打印部分结果 + std::cout << "First 10 output values: "; + for (int i = 0; i < std::min(10, static_cast(output.size())); i++) { + std::cout << output[i] << " "; + } + std::cout << std::endl; + + // 创建模拟梯度（全为1） + std::vector grad_output(output.size(), 1.0f); + + // 反向传播 + std::cout << "Backward pass..." << std::endl; + auto grad_input = flatten.backward(grad_output, batch_size); + + std::cout << "Gradient input size: " << grad_input.size() << std::endl; + std::cout << "Expected gradient input size: " << 2 * 64 * 7 * 7 << std::endl; + + // 验证形状正确性 + auto [channels, height, width] = flatten.get_input_shape(); + std::cout << "Recovered input shape: " << channels + << "x" << height << "x" << width << std::endl; + + // 打印层信息 + flatten.print_info(); +} + diff --git a/lci/include/nn/ILayer.hpp b/lci/include/nn/ILayer.hpp new file mode 100644 index 0000000..295faf5 --- /dev/null +++ b/lci/include/nn/ILayer.hpp @@ -0,0 +1,66 @@ +#pragma once +#include +#include +/* FIXME: 设置为每层可调节的 */ +/* FIXME: 现在这个“接口”并未提供抽象函数 */ +constexpr float LEAKY_RELU_ALPHA = 0.01; +using f_t = float(*)(float); /* FIXME: 在qing::Thread附近已经定义了f_t标识符 */ + +/* 神经网络层接口 */ +class ILayer { +public: + + /* 激活函数枚举类 */ + enum class ActivationFunc { + None, ReLU, Leaky_ReLU, Sigmoid, Tanh + }; + + /* 获取类型名 */ + static const char* get_f_type(ActivationFunc& af); + + /* 通过类型名获取实体 */ + static ActivationFunc parse_ff_type(const std::string& name); + + + /* 向输出流存储模型 */ + virtual void save(std::ostream& out) = 0; + + /* 从输入流加载模型 + * FIXME: 这个方法我做成了工厂模式 + */ + //virtual void load(std::istream& in) = 0; + +protected: + + /* 获取函数对象 - 获取激活函数 */ + static f_t getf(ActivationFunc type); + + /* 获取函数对象 - 求激活函数导数 */ + static f_t getfdot(ActivationFunc type); + + /* ReLU 激活函数 */ + static float relu(float x); + + /* ReLU 导数 */ + static float relu_derivative(float x); + + /* + * leaky ReLU 激活函数 + * + * NOTE: alpha太小或者选择使用ReLU函数的情况下，会导致梯度消失 + * NOTE: Leaky ReLU 不会使梯度完全消失，但也会使它变得很小 + */ + static float leaky_relu(float x); + /* leaky ReLU 导数 */ + static float leaky_relu_derivative(float x); + + /* Sigmoid 激活函数 */ + static float sigmoid(float x); + /* Sigmoid 导数 */ + static float sigmoid_derivative(float x); + + /* Tanh 激活函数 */ + static float tanh(float x); + /* Tanh 导数 */ + static float tanh_derivative(float x); +}; diff --git a/lci/include/nn/ILayerConvolutional.hpp b/lci/include/nn/ILayerConvolutional.hpp new file mode 100644 index 0000000..3cfc5c4 --- /dev/null +++ b/lci/include/nn/ILayerConvolutional.hpp @@ -0,0 +1,3 @@ +#pragma once +#include "../Dashun.h" +class ILayerConvolutional: public ILayer, public ILearnable {}; \ No newline at end of file diff --git a/lci/include/nn/ILayerFullyConnectted.hpp b/lci/include/nn/ILayerFullyConnectted.hpp new file mode 100644 index 0000000..dafcfe3 --- /dev/null +++ b/lci/include/nn/ILayerFullyConnectted.hpp @@ -0,0 +1,10 @@ +#pragma once +#include "nn/ILayer.hpp" +#include "nn/ILearnable.hpp" +class ILayerFullyConnectted: public ILayer, public ILearnable { +public: + /* 正向传播，返回神经网络输出 */ + virtual std::vector forward(const std::vector& inputs) = 0; + /* 反向传播，返回上一层的误差，方便堆叠 */ + virtual std::vector backward(const std::vector& error) = 0; +}; diff --git a/lci/include/nn/ILearnable.hpp b/lci/include/nn/ILearnable.hpp new file mode 100644 index 0000000..b5d3013 --- /dev/null +++ b/lci/include/nn/ILearnable.hpp @@ -0,0 +1,5 @@ +#pragma once +class ILearnable { +public: + virtual void update(float discount) = 0; +}; \ No newline at end of file diff --git a/lci/include/nn/ImageLoader.hpp b/lci/include/nn/ImageLoader.hpp new file mode 100644 index 0000000..0e652f1 --- /dev/null +++ b/lci/include/nn/ImageLoader.hpp @@ -0,0 +1,523 @@ +#pragma once + +#define cimg_use_png /* -lpng */ +#define cimg_use_jpeg /* -ljpeg */ +#define cimg_display 0 // 禁用显示窗口，用于服务器环境 +#include "CImg.h" +#include +#include +#include +#include +#include +#include +#include +#include // 用于检查文件是否存在 +#include // 用于目录遍历 + +class ImageLoader { +private: + // 图像参数 + int target_channels; // 目标通道数（如RGB=3, 灰度=1） + int target_height; // 目标高度 + int target_width; // 目标宽度 + bool normalize_to_01; // 是否归一化到[0,1] + bool normalize_mean_std; // 是否使用均值标准差归一化 + float mean_val; // 均值（归一化用） + float std_val; // 标准差（归一化用） + bool auto_mean_std; // 是否自动计算均值标准差 + + // 预计算的均值和标准差（针对每个通道） + std::vector channel_means; + std::vector channel_stds; + + // 用于调试的verbose标志 + bool verbose; + + // 辅助函数：检查文件是否存在（POSIX兼容） + bool file_exists(const std::string& filename) { + struct stat buffer; + return (stat(filename.c_str(), &buffer) == 0); + } + + // 辅助函数：检查是否为普通文件 + bool is_regular_file(const std::string& path) { + struct stat path_stat; + if (stat(path.c_str(), &path_stat) != 0) { + return false; + } + return S_ISREG(path_stat.st_mode); + } + + // 辅助函数：获取文件扩展名 + std::string get_file_extension(const std::string& filename) { + size_t dot_pos = filename.find_last_of("."); + if (dot_pos == std::string::npos) { + return ""; + } + return filename.substr(dot_pos); + } + + // 辅助函数：转换为小写 + std::string to_lower(const std::string& str) { + std::string result = str; + std::transform(result.begin(), result.end(), result.begin(), ::tolower); + return result; + } + +public: + // 构造函数 + ImageLoader(int channels = 3, int height = 224, int width = 224, + bool norm_01 = true, bool norm_mean_std = false, + float mean = 0.0f, float std = 1.0f, bool auto_compute = false) + : target_channels(channels), + target_height(height), + target_width(width), + normalize_to_01(norm_01), + normalize_mean_std(norm_mean_std), + mean_val(mean), + std_val(std), + auto_mean_std(auto_compute), + verbose(false) { + + // 初始化通道统计量 + channel_means.resize(target_channels, 0.0f); + channel_stds.resize(target_channels, 1.0f); + } + + // 从文件加载单张图片 + std::vector load_image(const std::string& filepath, bool verbose = false) { + this->verbose = verbose; + + try { + // 检查文件是否存在 + if (!file_exists(filepath)) { + throw std::runtime_error("File not found: " + filepath); + } + + // 加载图像 + cimg_library::CImg img(filepath.c_str()); + + if (verbose) { + std::cout << "Loaded image: " << filepath << std::endl; + std::cout << "Original size: " << img.width() << "x" << img.height() + << "x" << img.spectrum() << std::endl; + } + + // 转换为目标格式并预处理 + return preprocess_image(img, verbose); + + } catch (const std::exception& e) { + std::cerr << "Error loading image " << filepath << ": " << e.what() << std::endl; + return {}; + } + } + + // 从CImg对象加载图片 + std::vector load_from_cimg(const cimg_library::CImg& input_img, bool verbose = false) { + this->verbose = verbose; + + try { + // 创建图像的副本（因为预处理函数可能会修改图像） + cimg_library::CImg img = input_img; + + if (verbose) { + std::cout << "Loading from CImg object" << std::endl; + std::cout << "Original size: " << img.width() << "x" << img.height() + << "x" << img.spectrum() << std::endl; + } + + // 检查图像是否为空 + if (img.is_empty()) { + throw std::runtime_error("Input CImg object is empty"); + } + + // 转换为目标格式并预处理 + return preprocess_image(img, verbose); + + } catch (const std::exception& e) { + std::cerr << "Error loading image from CImg object: " << e.what() << std::endl; + return {}; + } + } + + // 从CImg对象加载图片（移动语义版本） + std::vector load_from_cimg(cimg_library::CImg&& input_img, bool verbose = false) { + this->verbose = verbose; + + try { + // 直接使用移动过来的图像对象 + cimg_library::CImg img = std::move(input_img); + + if (verbose) { + std::cout << "Loading from CImg object (move semantics)" << std::endl; + std::cout << "Original size: " << img.width() << "x" << img.height() + << "x" << img.spectrum() << std::endl; + } + + // 检查图像是否为空 + if (img.is_empty()) { + throw std::runtime_error("Input CImg object is empty"); + } + + // 转换为目标格式并预处理 + return preprocess_image(img, verbose); + + } catch (const std::exception& e) { + std::cerr << "Error loading image from CImg object: " << e.what() << std::endl; + return {}; + } + } + + // 批量加载图片 + std::vector load_batch(const std::vector& filepaths, bool verbose = false) { + this->verbose = verbose; + + std::vector batch_data; + int loaded_count = 0; + + for (const auto& filepath : filepaths) { + auto img_data = load_image(filepath, verbose); + if (!img_data.empty()) { + if (batch_data.empty()) { + batch_data = img_data; + } else { + // 追加到batch数据中 + batch_data.insert(batch_data.end(), img_data.begin(), img_data.end()); + } + loaded_count++; + } + } + + if (verbose) { + std::cout << "Successfully loaded " << loaded_count << " images out of " + << filepaths.size() << std::endl; + } + + return batch_data; + } + + + // 从文件夹加载所有图片 + std::vector load_from_directory(const std::string& dir_path, + const std::vector& extensions = {".jpg", ".jpeg", ".png", ".bmp"}, + bool verbose = false) { + this->verbose = verbose; + + std::vector image_files; + + try { + // 打开目录 + DIR* dir = opendir(dir_path.c_str()); + if (!dir) { + throw std::runtime_error("Cannot open directory: " + dir_path); + } + + // 读取目录项 + struct dirent* entry; + while ((entry = readdir(dir)) != nullptr) { + std::string filename = entry->d_name; + + // 跳过"."和".." + if (filename == "." || filename == "..") { + continue; + } + + // 构建完整路径 + std::string full_path = dir_path; + if (dir_path.back() != '/') { + full_path += "/"; + } + full_path += filename; + + // 检查是否为普通文件 + if (is_regular_file(full_path)) { + // 检查文件扩展名 + std::string ext = get_file_extension(filename); + std::string ext_lower = to_lower(ext); + + // 检查是否在允许的扩展名列表中 + bool valid_extension = false; + for (const auto& allowed_ext : extensions) { + if (ext_lower == to_lower(allowed_ext)) { + valid_extension = true; + break; + } + } + + if (valid_extension) { + image_files.push_back(full_path); + } + } + } + + closedir(dir); + + if (verbose) { + std::cout << "Found " << image_files.size() << " images in directory: " + << dir_path << std::endl; + } + + return load_batch(image_files, verbose); + + } catch (const std::exception& e) { + std::cerr << "Error reading directory " << dir_path << ": " << e.what() << std::endl; + return {}; + } + } + + // 计算数据集统计量（用于归一化） + void compute_dataset_statistics(const std::vector& filepaths, + int max_images = 1000) { + std::cout << "Computing dataset statistics..." << std::endl; + + int num_images = std::min(static_cast(filepaths.size()), max_images); + std::vector> channel_sums(target_channels, std::vector()); + + // 采样计算 + for (int i = 0; i < num_images; i++) { + auto img_data = load_image(filepaths[i], false); + if (!img_data.empty()) { + // 计算每个通道的像素值 + int pixels_per_channel = target_height * target_width; + for (int c = 0; c < target_channels; c++) { + const float* channel_start = img_data.data() + c * pixels_per_channel; + channel_sums[c].insert(channel_sums[c].end(), + channel_start, + channel_start + pixels_per_channel); + } + } + + if (i % 100 == 0) { + std::cout << "Processed " << i << " images..." << std::endl; + } + } + + // 计算均值和标准差 + for (int c = 0; c < target_channels; c++) { + if (!channel_sums[c].empty()) { + // 计算均值 + float sum = std::accumulate(channel_sums[c].begin(), channel_sums[c].end(), 0.0f); + channel_means[c] = sum / channel_sums[c].size(); + + // 计算标准差 + float variance = 0.0f; + for (float val : channel_sums[c]) { + variance += (val - channel_means[c]) * (val - channel_means[c]); + } + variance /= channel_sums[c].size(); + channel_stds[c] = std::sqrt(variance); + + std::cout << "Channel " << c << ": mean = " << channel_means[c] + << ", std = " << channel_stds[c] << std::endl; + } + } + + std::cout << "Statistics computation completed." << std::endl; + } + + // 获取批次数（根据总像素数计算） + int get_batch_size(const std::vector& data) const { + int single_image_size = target_channels * target_height * target_width; + if (single_image_size == 0) return 0; + return data.size() / single_image_size; + } + + // 设置归一化参数 + void set_normalization_params(const std::vector& means, + const std::vector& stds) { + if (means.size() == target_channels && stds.size() == target_channels) { + channel_means = means; + channel_stds = stds; + } else { + std::cerr << "Error: Means and stds must have size " << target_channels << std::endl; + } + } + + // 获取归一化参数 + std::pair, std::vector> get_normalization_params() const { + return {channel_means, channel_stds}; + } + + // 显示图像信息（用于调试） + void display_image_info(const std::vector& image_data, int channels_to_show = 3) const { + int single_image_size = target_channels * target_height * target_width; + + std::cout << "Image data info:" << std::endl; + std::cout << " Dimensions: " << target_channels << " x " << target_height + << " x " << target_width << std::endl; + std::cout << " Total values: " << image_data.size() << std::endl; + + if (!image_data.empty()) { + // 计算统计信息 + float min_val = *std::min_element(image_data.begin(), image_data.end()); + float max_val = *std::max_element(image_data.begin(), image_data.end()); + float sum_val = std::accumulate(image_data.begin(), image_data.end(), 0.0f); + float mean_val = sum_val / image_data.size(); + + std::cout << " Min value: " << min_val << std::endl; + std::cout << " Max value: " << max_val << std::endl; + std::cout << " Mean value: " << mean_val << std::endl; + + // 显示每个通道的前几个像素 + int pixels_per_channel = target_height * target_width; + for (int c = 0; c < std::min(target_channels, channels_to_show); c++) { + std::cout << " Channel " << c << " (first 5 pixels): "; + for (int i = 0; i < std::min(5, pixels_per_channel); i++) { + std::cout << image_data[c * pixels_per_channel + i] << " "; + } + std::cout << std::endl; + } + } + } + + // 获取目标尺寸（公开访问器） + int get_target_height() const { return target_height; } + int get_target_width() const { return target_width; } + int get_target_channels() const { return target_channels; } + + // 设置verbose模式 + void set_verbose(bool v) { verbose = v; } + +private: + // 图像预处理主函数 + std::vector preprocess_image(cimg_library::CImg& img, bool verbose = false) { + // 1. 调整通道数 + adjust_channels(img); + + // 2. 调整尺寸 + resize_image(img); + + // 3. 转换为浮点数 + std::vector float_data = convert_to_float(img); + + // 4. 重新排列维度为 [channels, height, width] + std::vector reordered_data = reorder_dimensions(float_data, img); + + // 5. 归一化 + if (normalize_to_01) { + normalize_0_1(reordered_data); + } + + if (normalize_mean_std) { + normalize_mean_std_channels(reordered_data); + } + + if (verbose) { + std::cout << "Processed image size: " << target_channels << "x" + << target_height << "x" << target_width << std::endl; + } + + return reordered_data; + } + + // 调整通道数 + void adjust_channels(cimg_library::CImg& img) { + int current_channels = img.spectrum(); + + if (current_channels == 1 && target_channels == 3) { + // 灰度转RGB：复制单通道到三个通道 + cimg_library::CImg rgb_img(img.width(), img.height(), img.depth(), 3); + cimg_forXYZ(img, x, y, z) { + rgb_img(x, y, z, 0) = img(x, y, z, 0); // R + rgb_img(x, y, z, 1) = img(x, y, z, 0); // G + rgb_img(x, y, z, 2) = img(x, y, z, 0); // B + } + img = rgb_img; + + } else if (current_channels == 3 && target_channels == 1) { + // RGB转灰度：使用标准公式 + img = img.get_channel(0) * 0.299f + + img.get_channel(1) * 0.587f + + img.get_channel(2) * 0.114f; + + } else if (current_channels == 4 && target_channels == 3) { + // RGBA转RGB：移除alpha通道 + img.channels(0, 2); + + } else if (current_channels > target_channels) { + // 保留前target_channels个通道 + img.channels(0, target_channels - 1); + + } else if (current_channels < target_channels) { + // 重复最后一个通道来补足 + int channels_to_add = target_channels - current_channels; + for (int i = 0; i < channels_to_add; i++) { + img.append(img.get_channel(current_channels - 1), 'c'); + } + } + } + + // 调整图像尺寸 + void resize_image(cimg_library::CImg& img) { + if (img.width() != target_width || img.height() != target_height) { + if (verbose) { + std::cout << "Resizing from " << img.width() << "x" << img.height() + << " to " << target_width << "x" << target_height << std::endl; + } + + // 使用CImg的resize函数 + img.resize(target_width, target_height, -100, -100, 3); // 3 = 三次样条插值 + } + } + + // 转换为浮点数 + std::vector convert_to_float(const cimg_library::CImg& img) { + std::vector float_data; + float_data.reserve(img.width() * img.height() * img.spectrum()); + + cimg_forC(img, c) { + cimg_forXY(img, x, y) { + float_data.push_back(static_cast(img(x, y, 0, c))); + } + } + + return float_data; + } + + // 重新排列维度为 [channels, height, width] + std::vector reorder_dimensions(const std::vector& data, + const cimg_library::CImg& img) { + int channels = img.spectrum(); + int height = img.height(); + int width = img.width(); + + std::vector reordered(channels * height * width); + + // CImg默认布局: [width, height, depth, spectrum] + // 我们需要: [channels, height, width] + for (int c = 0; c < channels; c++) { + for (int h = 0; h < height; h++) { + for (int w = 0; w < width; w++) { + // CImg索引: (x, y, z, c) = (w, h, 0, c) + int src_idx = c * (height * width) + h * width + w; + int dst_idx = c * (height * width) + h * width + w; + reordered[dst_idx] = data[src_idx]; + } + } + } + + return reordered; + } + + // 归一化到[0,1] + void normalize_0_1(std::vector& data) { + for (auto& val : data) { + val /= 255.0f; + } + } + + // 使用均值标准差归一化（逐通道） + void normalize_mean_std_channels(std::vector& data) { + int pixels_per_channel = target_height * target_width; + + for (int c = 0; c < target_channels; c++) { + float mean = auto_mean_std ? channel_means[c] : mean_val; + float std = auto_mean_std ? channel_stds[c] : std_val; + + for (int i = 0; i < pixels_per_channel; i++) { + int idx = c * pixels_per_channel + i; + data[idx] = (data[idx] - mean) / std; + } + } + } +}; \ No newline at end of file diff --git a/lci/include/nn/Matrix.hh b/lci/include/nn/Matrix.hh new file mode 100644 index 0000000..8367cbc --- /dev/null +++ b/lci/include/nn/Matrix.hh @@ -0,0 +1,64 @@ +/* + + ___col___ +/ \ ++---------+ \ +| + + + + | | row - 第一维度 +| + + + + | | ++---------+ / + +*/ + +#pragma once +#include +#include +#include +#include +#include "cn/中文化.hpp" +命名空间 qing { +模板 <类型名 T> +/* 矩阵类 - 二维向量 (FIXME: 1.增加函数广播方法。2.增加+=操作符等)。3. 增加初始化方法*/ +类 Matrx { +公开的: + Matrx(); + Matrx(常量 长型 row, 常量 长型 col); /* 该构造函数用于从头开始构造 */ + Matrx(常量 长型 row, 常量 长型 col, 常量 std::vector& src); /* 该构造函数用于通过已有的vector进行构造 */ + const T& get(long row, long col) const; /* 访问器 - 访问矩阵元素 */ + T& witch(long row, long col); /* 访问器 - 访问矩阵元素 */ + const std::vector& get_data() const; /* 访问器 - 用于获取原始数据 */ + const long get_col() const; /* 获取列数 */ + const long get_row() const; /* 获取行数 */ + bool has_same_shape(const Matrx& other); /* 两个矩阵是否具有相同形状 */ + bool has_dot_shape(const Matrx& other); /* 具有矩阵乘法的形状（标准：A的列数与B的行数相等） */ + void assert_same_shape(const Matrx& other); /* 断言两个矩阵具有相同形状 */ + void assert_dot_shape(const Matrx& other); /* 断言两个矩阵具有点积前置形状 */ + Matrx operator+(const Matrx& other); /* 加法操作符重定义 - 矩阵加法 */ + Matrx operator+(T& item); /* 矩阵加法广播 */ + Matrx operator-(const Matrx& other); /* 操作符重载 - 矩阵减法 */ + Matrx operator-(T& item); /* 操作符重载 - 矩阵减法广播 */ + const Matrx operator*(const Matrx& other); /* 操作符重载 - 矩阵乘法 */ + Matrx operator*(T& item); /* 操作符重载 - 矩阵乘法广播 */ + Matrx operator/(T& item); /* 操作符重载 - 矩阵除法广播 */ + + /* 储存矩阵 */ + void save(std::ostream& out) { + out << row << " " << col; /* 储存形状 */ + for (const auto& item: arr) { /* 储存数据 */ + out << " "; + out << item; + } + } + + /* FIXME: 不写load()方法的原因是使用工厂模式较为方便 */ + + /* FIXME: 增加矩阵转置操作 */ + + /* FIXME: 添加广播以使得矩阵与向量相乘 */ + + /* FIXME: 增加元素对应乘积 */ + +private: + long row, col; + std::vector arr; /* 存储矩阵的张量 */ +}; +} diff --git a/lci/include/nn/MatrixCuda.cuh b/lci/include/nn/MatrixCuda.cuh new file mode 100644 index 0000000..b85fa47 --- /dev/null +++ b/lci/include/nn/MatrixCuda.cuh @@ -0,0 +1,199 @@ +/* + * MatrixCuda.cuh - CUDA加速的矩阵运算库 + * + * 基于现有的Matrx类设计，提供GPU加速的矩阵运算 + * 支持float和double类型的矩阵运算 + * + * 注意：使用CUDA需要安装NVIDIA CUDA Toolkit + */ + +#pragma once + +#ifdef __CUDACC__ +#define CUDA_HOST_DEVICE __host__ __device__ +#define CUDA_HOST __host__ +#define CUDA_DEVICE __device__ +#else +#define CUDA_HOST_DEVICE +#define CUDA_HOST +#define CUDA_DEVICE +#endif + +#include +#include +#include +#include +#include +#include + +namespace qing { + +// 前向声明 +template +class MatrixCuda; + +// CUDA内核函数声明 +namespace cuda_kernels { + +// 矩阵加法内核 +template +__global__ void matrix_add_kernel(const T* A, const T* B, T* C, + long rows, long cols, long total_elements); + +// 矩阵减法内核 +template +__global__ void matrix_sub_kernel(const T* A, const T* B, T* C, + long rows, long cols, long total_elements); + +// 矩阵标量乘法内核 +template +__global__ void matrix_scalar_mul_kernel(const T* A, T scalar, T* C, + long total_elements); + +// 矩阵标量加法内核 +template +__global__ void matrix_scalar_add_kernel(const T* A, T scalar, T* C, + long total_elements); + +// 矩阵转置内核 +template +__global__ void matrix_transpose_kernel(const T* A, T* C, + long rows, long cols); + +// 矩阵元素对应乘积内核 +template +__global__ void matrix_hadamard_kernel(const T* A, const T* B, T* C, + long total_elements); + +// 矩阵复制内核 +template +__global__ void matrix_copy_kernel(const T* src, T* dst, long total_elements); + +} // namespace cuda_kernels + +/** + * @brief CUDA加速的矩阵类 + * + * 这个类提供了GPU加速的矩阵运算，包括： + * - 矩阵加法、减法 + * - 标量运算 + * - 矩阵转置 + * - 元素对应乘积 + * - 矩阵乘法（使用cuBLAS） + */ +template +class MatrixCuda { +public: + // 构造函数和析构函数 + CUDA_HOST MatrixCuda(); + CUDA_HOST MatrixCuda(long rows, long cols); + CUDA_HOST MatrixCuda(long rows, long cols, const std::vector& data); + CUDA_HOST MatrixCuda(const MatrixCuda& other); + CUDA_HOST MatrixCuda(MatrixCuda&& other) noexcept; + CUDA_HOST ~MatrixCuda(); + + // 赋值运算符 + CUDA_HOST MatrixCuda& operator=(const MatrixCuda& other); + CUDA_HOST MatrixCuda& operator=(MatrixCuda&& other) noexcept; + + // 内存管理 + CUDA_HOST void allocate_device_memory(); + CUDA_HOST void free_device_memory(); + CUDA_HOST void copy_to_device(); + CUDA_HOST void copy_from_device(); + CUDA_HOST void sync_device_to_host(); + CUDA_HOST void sync_host_to_device(); + + // 访问器 + CUDA_HOST_DEVICE long get_rows() const { return rows_; } + CUDA_HOST_DEVICE long get_cols() const { return cols_; } + CUDA_HOST_DEVICE long get_total_elements() const { return rows_ * cols_; } + + CUDA_HOST const std::vector& get_host_data() const { return host_data_; } + CUDA_HOST T* get_device_data() const { return device_data_; } + + CUDA_HOST T get_element(long row, long col) const; + CUDA_HOST void set_element(long row, long col, T value); + + // 形状检查 + CUDA_HOST bool has_same_shape(const MatrixCuda& other) const; + CUDA_HOST bool has_dot_shape(const MatrixCuda& other) const; + CUDA_HOST void assert_same_shape(const MatrixCuda& other) const; + CUDA_HOST void assert_dot_shape(const MatrixCuda& other) const; + + // 矩阵运算（GPU加速） + CUDA_HOST MatrixCuda add(const MatrixCuda& other) const; + CUDA_HOST MatrixCuda subtract(const MatrixCuda& other) const; + CUDA_HOST MatrixCuda multiply_scalar(T scalar) const; + CUDA_HOST MatrixCuda add_scalar(T scalar) const; + CUDA_HOST MatrixCuda transpose() const; + CUDA_HOST MatrixCuda hadamard_product(const MatrixCuda& other) const; + + // 运算符重载 + CUDA_HOST MatrixCuda operator+(const MatrixCuda& other) const; + CUDA_HOST MatrixCuda operator+(T scalar) const; + CUDA_HOST MatrixCuda operator-(const MatrixCuda& other) const; + CUDA_HOST MatrixCuda operator-(T scalar) const; + CUDA_HOST MatrixCuda operator*(T scalar) const; + CUDA_HOST MatrixCuda operator/(T scalar) const; + + // 复合赋值运算符 + CUDA_HOST MatrixCuda& operator+=(const MatrixCuda& other); + CUDA_HOST MatrixCuda& operator+=(T scalar); + CUDA_HOST MatrixCuda& operator-=(const MatrixCuda& other); + CUDA_HOST MatrixCuda& operator-=(T scalar); + CUDA_HOST MatrixCuda& operator*=(T scalar); + CUDA_HOST MatrixCuda& operator/=(T scalar); + + // 矩阵乘法（使用cuBLAS） + CUDA_HOST MatrixCuda matmul(const MatrixCuda& other) const; + CUDA_HOST MatrixCuda operator*(const MatrixCuda& other) const; + + // 工具函数 + CUDA_HOST void print(const std::string& name = "") const; + CUDA_HOST void fill(T value); + CUDA_HOST void fill_random(T min = 0, T max = 1); + CUDA_HOST bool is_valid() const; + + // 静态工厂方法 + CUDA_HOST static MatrixCuda zeros(long rows, long cols); + CUDA_HOST static MatrixCuda ones(long rows, long cols); + CUDA_HOST static MatrixCuda identity(long size); + CUDA_HOST static MatrixCuda random(long rows, long cols, T min = 0, T max = 1); + + // 从现有Matrx类转换 + CUDA_HOST static MatrixCuda from_matrx(const class Matrx& mat); + CUDA_HOST class Matrx to_matrx() const; + +private: + long rows_; + long cols_; + std::vector host_data_; // 主机内存数据 + T* device_data_; // 设备内存数据 + bool device_allocated_; // 设备内存是否已分配 + bool host_modified_; // 主机数据是否已修改 + bool device_modified_; // 设备数据是否已修改 + + // 私有辅助函数 + CUDA_HOST void check_index(long row, long col) const; + CUDA_HOST void initialize_from_vector(const std::vector& data); + + // CUDA错误检查 + CUDA_HOST static void check_cuda_error(cudaError_t error, const char* file, int line); + + // 计算线程块和网格大小 + CUDA_HOST static dim3 get_block_size(long total_elements); + CUDA_HOST static dim3 get_grid_size(long total_elements, dim3 block_size); +}; + +// CUDA错误检查宏 +#define CHECK_CUDA_ERROR(err) (MatrixCuda::check_cuda_error(err, __FILE__, __LINE__)) + +// 显式实例化声明 +extern template class MatrixCuda; +extern template class MatrixCuda; + +} // namespace qing + +// 包含内联实现 +#include "MatrixCuda.inl.cuh" \ No newline at end of file diff --git a/lci/include/nn/MatrixCuda.inl.cuh b/lci/include/nn/MatrixCuda.inl.cuh new file mode 100644 index 0000000..f34ff5c --- /dev/null +++ b/lci/include/nn/MatrixCuda.inl.cuh @@ -0,0 +1,739 @@ +/* + * MatrixCuda.inl.cuh - MatrixCuda类的内联实现 + * 包含CUDA内核函数和模板成员函数的实现 + */ + +#ifndef MATRIX_CUDA_INL_CUH +#define MATRIX_CUDA_INL_CUH + +#include "MatrixCuda.cuh" +#include +#include +#include + +namespace qing { + +// ============================================================================ +// CUDA内核函数实现 +// ============================================================================ + +namespace cuda_kernels { + +// 矩阵加法内核 +template +__global__ void matrix_add_kernel(const T* A, const T* B, T* C, + long rows, long cols, long total_elements) { + long idx = blockIdx.x * blockDim.x + threadIdx.x; + long stride = blockDim.x * gridDim.x; + + for (long i = idx; i < total_elements; i += stride) { + C[i] = A[i] + B[i]; + } +} + +// 矩阵减法内核 +template +__global__ void matrix_sub_kernel(const T* A, const T* B, T* C, + long rows, long cols, long total_elements) { + long idx = blockIdx.x * blockDim.x + threadIdx.x; + long stride = blockDim.x * gridDim.x; + + for (long i = idx; i < total_elements; i += stride) { + C[i] = A[i] - B[i]; + } +} + +// 矩阵标量乘法内核 +template +__global__ void matrix_scalar_mul_kernel(const T* A, T scalar, T* C, + long total_elements) { + long idx = blockIdx.x * blockDim.x + threadIdx.x; + long stride = blockDim.x * gridDim.x; + + for (long i = idx; i < total_elements; i += stride) { + C[i] = A[i] * scalar; + } +} + +// 矩阵标量加法内核 +template +__global__ void matrix_scalar_add_kernel(const T* A, T scalar, T* C, + long total_elements) { + long idx = blockIdx.x * blockDim.x + threadIdx.x; + long stride = blockDim.x * gridDim.x; + + for (long i = idx; i < total_elements; i += stride) { + C[i] = A[i] + scalar; + } +} + +// 矩阵转置内核 +template +__global__ void matrix_transpose_kernel(const T* A, T* C, + long rows, long cols) { + long row = blockIdx.y * blockDim.y + threadIdx.y; + long col = blockIdx.x * blockDim.x + threadIdx.x; + + if (row < rows && col < cols) { + // A[row, col] -> C[col, row] + C[col * rows + row] = A[row * cols + col]; + } +} + +// 矩阵元素对应乘积内核 +template +__global__ void matrix_hadamard_kernel(const T* A, const T* B, T* C, + long total_elements) { + long idx = blockIdx.x * blockDim.x + threadIdx.x; + long stride = blockDim.x * gridDim.x; + + for (long i = idx; i < total_elements; i += stride) { + C[i] = A[i] * B[i]; + } +} + +// 矩阵复制内核 +template +__global__ void matrix_copy_kernel(const T* src, T* dst, long total_elements) { + long idx = blockIdx.x * blockDim.x + threadIdx.x; + long stride = blockDim.x * gridDim.x; + + for (long i = idx; i < total_elements; i += stride) { + dst[i] = src[i]; + } +} + +} // namespace cuda_kernels + +// ============================================================================ +// MatrixCuda类成员函数实现 +// ============================================================================ + +// 构造函数和析构函数 +template +CUDA_HOST MatrixCuda::MatrixCuda() + : rows_(0), cols_(0), device_data_(nullptr), + device_allocated_(false), host_modified_(false), device_modified_(false) {} + +template +CUDA_HOST MatrixCuda::MatrixCuda(long rows, long cols) + : rows_(rows), cols_(cols), device_data_(nullptr), + device_allocated_(false), host_modified_(false), device_modified_(false) { + if (rows <= 0 || cols <= 0) { + throw std::invalid_argument("Matrix dimensions must be positive"); + } + host_data_.resize(rows * cols, T(0)); +} + +template +CUDA_HOST MatrixCuda::MatrixCuda(long rows, long cols, const std::vector& data) + : rows_(rows), cols_(cols), device_data_(nullptr), + device_allocated_(false), host_modified_(false), device_modified_(false) { + initialize_from_vector(data); +} + +template +CUDA_HOST MatrixCuda::MatrixCuda(const MatrixCuda& other) + : rows_(other.rows_), cols_(other.cols_), + host_data_(other.host_data_), device_data_(nullptr), + device_allocated_(false), host_modified_(other.host_modified_), + device_modified_(false) { + if (other.device_allocated_) { + allocate_device_memory(); + copy_to_device(); + } +} + +template +CUDA_HOST MatrixCuda::MatrixCuda(MatrixCuda&& other) noexcept + : rows_(other.rows_), cols_(other.cols_), + host_data_(std::move(other.host_data_)), + device_data_(other.device_data_), + device_allocated_(other.device_allocated_), + host_modified_(other.host_modified_), + device_modified_(other.device_modified_) { + other.rows_ = 0; + other.cols_ = 0; + other.device_data_ = nullptr; + other.device_allocated_ = false; + other.host_modified_ = false; + other.device_modified_ = false; +} + +template +CUDA_HOST MatrixCuda::~MatrixCuda() { + free_device_memory(); +} + +// 赋值运算符 +template +CUDA_HOST MatrixCuda& MatrixCuda::operator=(const MatrixCuda& other) { + if (this != &other) { + free_device_memory(); + + rows_ = other.rows_; + cols_ = other.cols_; + host_data_ = other.host_data_; + host_modified_ = other.host_modified_; + device_modified_ = false; + + if (other.device_allocated_) { + allocate_device_memory(); + copy_to_device(); + } + } + return *this; +} + +template +CUDA_HOST MatrixCuda& MatrixCuda::operator=(MatrixCuda&& other) noexcept { + if (this != &other) { + free_device_memory(); + + rows_ = other.rows_; + cols_ = other.cols_; + host_data_ = std::move(other.host_data_); + device_data_ = other.device_data_; + device_allocated_ = other.device_allocated_; + host_modified_ = other.host_modified_; + device_modified_ = other.device_modified_; + + other.rows_ = 0; + other.cols_ = 0; + other.device_data_ = nullptr; + other.device_allocated_ = false; + other.host_modified_ = false; + other.device_modified_ = false; + } + return *this; +} + +// 内存管理函数 +template +CUDA_HOST void MatrixCuda::allocate_device_memory() { + if (device_allocated_ || get_total_elements() == 0) { + return; + } + + cudaError_t err = cudaMalloc(&device_data_, get_total_elements() * sizeof(T)); + CHECK_CUDA_ERROR(err); + device_allocated_ = true; + device_modified_ = false; +} + +template +CUDA_HOST void MatrixCuda::free_device_memory() { + if (device_allocated_ && device_data_ != nullptr) { + cudaError_t err = cudaFree(device_data_); + CHECK_CUDA_ERROR(err); + device_data_ = nullptr; + device_allocated_ = false; + device_modified_ = false; + } +} + +template +CUDA_HOST void MatrixCuda::copy_to_device() { + if (!device_allocated_) { + allocate_device_memory(); + } + + if (host_modified_ && get_total_elements() > 0) { + cudaError_t err = cudaMemcpy(device_data_, host_data_.data(), + get_total_elements() * sizeof(T), + cudaMemcpyHostToDevice); + CHECK_CUDA_ERROR(err); + host_modified_ = false; + device_modified_ = true; + } +} + +template +CUDA_HOST void MatrixCuda::copy_from_device() { + if (device_allocated_ && device_modified_ && get_total_elements() > 0) { + cudaError_t err = cudaMemcpy(host_data_.data(), device_data_, + get_total_elements() * sizeof(T), + cudaMemcpyDeviceToHost); + CHECK_CUDA_ERROR(err); + device_modified_ = false; + host_modified_ = true; + } +} + +template +CUDA_HOST void MatrixCuda::sync_device_to_host() { + copy_from_device(); +} + +template +CUDA_HOST void MatrixCuda::sync_host_to_device() { + copy_to_device(); +} + +// 访问器函数 +template +CUDA_HOST T MatrixCuda::get_element(long row, long col) const { + check_index(row, col); + return host_data_[row * cols_ + col]; +} + +template +CUDA_HOST void MatrixCuda::set_element(long row, long col, T value) { + check_index(row, col); + host_data_[row * cols_ + col] = value; + host_modified_ = true; +} + +// 形状检查函数 +template +CUDA_HOST bool MatrixCuda::has_same_shape(const MatrixCuda& other) const { + return rows_ == other.rows_ && cols_ == other.cols_; +} + +template +CUDA_HOST bool MatrixCuda::has_dot_shape(const MatrixCuda& other) const { + return cols_ == other.rows_; +} + +template +CUDA_HOST void MatrixCuda::assert_same_shape(const MatrixCuda& other) const { + if (!has_same_shape(other)) { + throw std::invalid_argument("Matrices must have the same shape"); + } +} + +template +CUDA_HOST void MatrixCuda::assert_dot_shape(const MatrixCuda& other) const { + if (!has_dot_shape(other)) { + throw std::invalid_argument("Matrices cannot be multiplied: cols of first != rows of second"); + } +} + +// 矩阵运算函数 +template +CUDA_HOST MatrixCuda MatrixCuda::add(const MatrixCuda& other) const { + assert_same_shape(other); + + MatrixCuda result(rows_, cols_); + + // 确保数据在设备上 + sync_host_to_device(); + other.sync_host_to_device(); + result.allocate_device_memory(); + + // 设置CUDA内核参数 + long total_elements = get_total_elements(); + dim3 block_size = get_block_size(total_elements); + dim3 grid_size = get_grid_size(total_elements, block_size); + + // 启动内核 + cuda_kernels::matrix_add_kernel<<>>( + device_data_, other.device_data_, result.device_data_, + rows_, cols_, total_elements + ); + + CHECK_CUDA_ERROR(cudaGetLastError()); + CHECK_CUDA_ERROR(cudaDeviceSynchronize()); + + result.device_modified_ = true; + result.sync_device_to_host(); + + return result; +} + +template +CUDA_HOST MatrixCuda MatrixCuda::subtract(const MatrixCuda& other) const { + assert_same_shape(other); + + MatrixCuda result(rows_, cols_); + + // 确保数据在设备上 + sync_host_to_device(); + other.sync_host_to_device(); + result.allocate_device_memory(); + + // 设置CUDA内核参数 + long total_elements = get_total_elements(); + dim3 block_size = get_block_size(total_elements); + dim3 grid_size = get_grid_size(total_elements, block_size); + + // 启动内核 + cuda_kernels::matrix_sub_kernel<<>>( + device_data_, other.device_data_, result.device_data_, + rows_, cols_, total_elements + ); + + CHECK_CUDA_ERROR(cudaGetLastError()); + CHECK_CUDA_ERROR(cudaDeviceSynchronize()); + + result.device_modified_ = true; + result.sync_device_to_host(); + + return result; +} + +template +CUDA_HOST MatrixCuda MatrixCuda::multiply_scalar(T scalar) const { + MatrixCuda result(rows_, cols_); + + // 确保数据在设备上 + sync_host_to_device(); + result.allocate_device_memory(); + + // 设置CUDA内核参数 + long total_elements = get_total_elements(); + dim3 block_size = get_block_size(total_elements); + dim3 grid_size = get_grid_size(total_elements, block_size); + + // 启动内核 + cuda_kernels::matrix_scalar_mul_kernel<<>>( + device_data_, scalar, result.device_data_, total_elements + ); + + CHECK_CUDA_ERROR(cudaGetLastError()); + CHECK_CUDA_ERROR(cudaDeviceSynchronize()); + + result.device_modified_ = true; + result.sync_device_to_host(); + + return result; +} + +template +CUDA_HOST MatrixCuda MatrixCuda::add_scalar(T scalar) const { + MatrixCuda result(rows_, cols_); + + // 确保数据在设备上 + sync_host_to_device(); + result.allocate_device_memory(); + + // 设置CUDA内核参数 + long total_elements = get_total_elements(); + dim3 block_size = get_block_size(total_elements); + dim3 grid_size = get_grid_size(total_elements, block_size); + + // 启动内核 + cuda_kernels::matrix_scalar_add_kernel<<>>( + device_data_, scalar, result.device_data_, total_elements + ); + + CHECK_CUDA_ERROR(cudaGetLastError()); + CHECK_CUDA_ERROR(cudaDeviceSynchronize()); + + result.device_modified_ = true; + result.sync_device_to_host(); + + return result; +} + +template +CUDA_HOST MatrixCuda MatrixCuda::transpose() const { + MatrixCuda result(cols_, rows_); + + // 确保数据在设备上 + sync_host_to_device(); + result.allocate_device_memory(); + + // 设置CUDA内核参数（2D网格用于转置） + dim3 block_size(16, 16); + dim3 grid_size((cols_ + block_size.x - 1) / block_size.x, + (rows_ + block_size.y - 1) / block_size.y); + + // 启动转置内核 + cuda_kernels::matrix_transpose_kernel<<>>( + device_data_, result.device_data_, rows_, cols_ + ); + + CHECK_CUDA_ERROR(cudaGetLastError()); + CHECK_CUDA_ERROR(cudaDeviceSynchronize()); + + result.device_modified_ = true; + result.sync_device_to_host(); + + return result; +} + +template +CUDA_HOST MatrixCuda MatrixCuda::hadamard_product(const MatrixCuda& other) const { + assert_same_shape(other); + + MatrixCuda result(rows_, cols_); + + // 确保数据在设备上 + sync_host_to_device(); + other.sync_host_to_device(); + result.allocate_device_memory(); + + // 设置CUDA内核参数 + long total_elements = get_total_elements(); + dim3 block_size = get_block_size(total_elements); + dim3 grid_size = get_grid_size(total_elements, block_size); + + // 启动内核 + cuda_kernels::matrix_hadamard_kernel<<>>( + device_data_, other.device_data_, result.device_data_, total_elements + ); + + CHECK_CUDA_ERROR(cudaGetLastError()); + CHECK_CUDA_ERROR(cudaDeviceSynchronize()); + + result.device_modified_ = true; + result.sync_device_to_host(); + + return result; +} + +// 运算符重载 +template +CUDA_HOST MatrixCuda MatrixCuda::operator+(const MatrixCuda& other) const { + return add(other); +} + +template +CUDA_HOST MatrixCuda MatrixCuda::operator+(T scalar) const { + return add_scalar(scalar); +} + +template +CUDA_HOST MatrixCuda MatrixCuda::operator-(const MatrixCuda& other) const { + return subtract(other); +} + +template +CUDA_HOST MatrixCuda MatrixCuda::operator-(T scalar) const { + return add_scalar(-scalar); +} + +template +CUDA_HOST MatrixCuda MatrixCuda::operator*(T scalar) const { + return multiply_scalar(scalar); +} + +template +CUDA_HOST MatrixCuda MatrixCuda::operator/(T scalar) const { + if (scalar == T(0)) { + throw std::invalid_argument("Division by zero"); + } + return multiply_scalar(T(1) / scalar); +} + +// 复合赋值运算符 +template +CUDA_HOST MatrixCuda& MatrixCuda::operator+=(const MatrixCuda& other) { + *this = *this + other; + return *this; +} + +template +CUDA_HOST MatrixCuda& MatrixCuda::operator+=(T scalar) { + *this = *this + scalar; + return *this; +} + +template +CUDA_HOST MatrixCuda& MatrixCuda::operator-=(const MatrixCuda& other) { + *this = *this - other; + return *this; +} + +template +CUDA_HOST MatrixCuda& MatrixCuda::operator-=(T scalar) { + *this = *this - scalar; + return *this; +} + +template +CUDA_HOST MatrixCuda& MatrixCuda::operator*=(T scalar) { + *this = *this * scalar; + return *this; +} + +template +CUDA_HOST MatrixCuda& MatrixCuda::operator/=(T scalar) { + *this = *this / scalar; + return *this; +} + +// 矩阵乘法（基础实现，使用朴素算法） +template +CUDA_HOST MatrixCuda MatrixCuda::matmul(const MatrixCuda& other) const { + assert_dot_shape(other); + + MatrixCuda result(rows_, other.cols_); + + // 同步数据到主机（使用朴素算法在主机上计算） + sync_device_to_host(); + other.sync_device_to_host(); + + // 朴素矩阵乘法（O(n³)） + for (long i = 0; i < rows_; ++i) { + for (long j = 0; j < other.cols_; ++j) { + T sum = T(0); + for (long k = 0; k < cols_; ++k) { + sum += get_element(i, k) * other.get_element(k, j); + } + result.set_element(i, j, sum); + } + } + + // 标记结果已修改 + result.host_modified_ = true; + result.sync_host_to_device(); + + return result; +} + +template +CUDA_HOST MatrixCuda MatrixCuda::operator*(const MatrixCuda& other) const { + return matmul(other); +} + +// 工具函数 +template +CUDA_HOST void MatrixCuda::print(const std::string& name) const { + sync_device_to_host(); + + if (!name.empty()) { + std::cout << name << " (" << rows_ << "x" << cols_ << "):" << std::endl; + } else { + std::cout << "Matrix (" << rows_ << "x" << cols_ << "):" << std::endl; + } + + for (long i = 0; i < rows_; ++i) { + std::cout << " ["; + for (long j = 0; j < cols_; ++j) { + std::cout << get_element(i, j); + if (j < cols_ - 1) std::cout << ", "; + } + std::cout << "]" << std::endl; + } +} + +template +CUDA_HOST void MatrixCuda::fill(T value) { + std::fill(host_data_.begin(), host_data_.end(), value); + host_modified_ = true; +} + +template +CUDA_HOST void MatrixCuda::fill_random(T min, T max) { + std::random_device rd; + std::mt19937 gen(rd()); + std::uniform_real_distribution dist(min, max); + + for (auto& val : host_data_) { + val = dist(gen); + } + host_modified_ = true; +} + +template +CUDA_HOST bool MatrixCuda::is_valid() const { + return rows_ > 0 && cols_ > 0 && !host_data_.empty(); +} + +// 静态工厂方法 +template +CUDA_HOST MatrixCuda MatrixCuda::zeros(long rows, long cols) { + MatrixCuda mat(rows, cols); + mat.fill(T(0)); + return mat; +} + +template +CUDA_HOST MatrixCuda MatrixCuda::ones(long rows, long cols) { + MatrixCuda mat(rows, cols); + mat.fill(T(1)); + return mat; +} + +template +CUDA_HOST MatrixCuda MatrixCuda::identity(long size) { + MatrixCuda mat(size, size); + mat.fill(T(0)); + for (long i = 0; i < size; ++i) { + mat.set_element(i, i, T(1)); + } + return mat; +} + +template +CUDA_HOST MatrixCuda MatrixCuda::random(long rows, long cols, T min, T max) { + MatrixCuda mat(rows, cols); + mat.fill_random(min, max); + return mat; +} + +// 从现有Matrx类转换 +template +CUDA_HOST MatrixCuda MatrixCuda::from_matrx(const class Matrx& mat) { + // 注意：这里假设Matrx类有get_row(), get_col(), get_data()方法 + long rows = mat.get_row(); + long cols = mat.get_col(); + const std::vector& data = mat.get_data(); + + return MatrixCuda(rows, cols, data); +} + +template +CUDA_HOST class Matrx MatrixCuda::to_matrx() const { + sync_device_to_host(); + + // 注意：这里假设Matrx类有相应的构造函数 + // 实际实现可能需要根据Matrx类的具体接口调整 + return class Matrx(rows_, cols_, host_data_); +} + +// 私有辅助函数 +template +CUDA_HOST void MatrixCuda::check_index(long row, long col) const { + if (row < 0 || row >= rows_ || col < 0 || col >= cols_) { + throw std::out_of_range("Matrix index out of range"); + } +} + +template +CUDA_HOST void MatrixCuda::initialize_from_vector(const std::vector& data) { + if (data.size() != static_cast(rows_ * cols_)) { + throw std::invalid_argument("Data size does not match matrix dimensions"); + } + host_data_ = data; + host_modified_ = true; +} + +// CUDA错误检查 +template +CUDA_HOST void MatrixCuda::check_cuda_error(cudaError_t error, const char* file, int line) { + if (error != cudaSuccess) { + std::cerr << "CUDA error at " << file << ":" << line << ": " + << cudaGetErrorString(error) << std::endl; + throw std::runtime_error("CUDA error occurred"); + } +} + +// 计算线程块和网格大小 +template +CUDA_HOST dim3 MatrixCuda::get_block_size(long total_elements) { + // 使用256个线程的块（CUDA的典型值） + const long max_threads_per_block = 256; + long threads = std::min(total_elements, max_threads_per_block); + return dim3(threads, 1, 1); +} + +template +CUDA_HOST dim3 MatrixCuda::get_grid_size(long total_elements, dim3 block_size) { + // 计算需要的块数 + long blocks = (total_elements + block_size.x - 1) / block_size.x; + // 限制最大块数（避免过多块） + const long max_blocks = 65535; + blocks = std::min(blocks, max_blocks); + return dim3(blocks, 1, 1); +} + +// 显式实例化 +template class MatrixCuda; +template class MatrixCuda; + +} // namespace qing + +#endif // MATRIX_CUDA_INL_CUH \ No newline at end of file diff --git a/lci/include/nn/NNBuilder.hpp b/lci/include/nn/NNBuilder.hpp new file mode 100644 index 0000000..949b62a --- /dev/null +++ b/lci/include/nn/NNBuilder.hpp @@ -0,0 +1,67 @@ +#pragma once +#include +#include +#include "nn/NeuralNetwork.hpp" +namespace qing { +class NNBuilder { /* 神经网络构建 */ +public: + void add(NeuralNetwork &layer); + + /* 获取变换层的形状 + * FIXME: 这个函数有必要吗 */ + std::vector> get_shape() const; + + /* 向标准输出打印形状 */ + void print_shape() const; + + /* 向输出流储存模型 */ + void save(std::ostream& out) { + for (auto& layer: nn) { + layer.save(out); + } + } + + /* 从输入流加载模型 */ + void load(std::istream& in) { + nn.clear(); + while(true) { + try{ + auto layer = NeuralNetwork::Load_in_Factory(in); + add(layer); + } + catch (std::runtime_error& e) { + break; + } + } + } + + /* + * 将一层非线性层分裂为两层，相当于插入一层神经元 + */ + //void fork(int index, long num, float rate) { + + /* + * 神经网络生长，增加第layer层，每层增加num个神经元 + * + * layer: 增加的层数 + * num: 增加的神经元数量 + * + * FIXME: 神经网络生长时应当冻结其它层（除了最后一层？）（learning_rate == 0） + */ + //void grow(int layer, int num) { + + /* 前向反馈 */ + std::vector forward(std::vector& r); + + /* 反向传播 */ + std::vector backward(std::vector& errs, float discount = 1.0); + + /* 计算误差 */ + std::vector cal_err(std::vector& r, std::vector& t); + + + +private: + std::vector nn; +}; +} diff --git a/lci/include/nn/NeuralNetwork.hpp b/lci/include/nn/NeuralNetwork.hpp new file mode 100644 index 0000000..b7ca19c --- /dev/null +++ b/lci/include/nn/NeuralNetwork.hpp @@ -0,0 +1,149 @@ +#pragma once +#include +#include "nn/Matrix.hh" +#include "nn/ILayerFullyConnectted.hpp" + +namespace qing { + +/* 人工神经网络 - 全连接层 */ +class NeuralNetwork: public ILayerFullyConnectted { +public: + + /* 构造函数 使用基本参数构造 + * FIXME: 只能输入已经存在的向量 */ + NeuralNetwork( + const long inputno, const long outputno, + const std::vector &weights, + const std::vector &bias, + const float learning_rate, + const ActivationFunc func_type + ); + + + /* 获取激活函数枚举类型 */ + const ActivationFunc& get_f() const { + return f_type; + } + + /* 获取学习率 */ + const float& get_lr () const { + return learning_rate; + } + + /* + * 获取输入层大小 + * + * FIXME: 优化掉这两个访问器，通过直接返回矩阵，获取层的形状 + */ + long get_inputno() const; + + /* 获取输出层大小 */ + long get_outputno() const; + + + /* 获取权重矩阵 */ + Matrx& get_weights(); + + /* 获取偏置矩阵 */ + Matrx& get_bias(); + + + /* 正态分布Xavier初始化 */ + static void xavierNormalInit(std::vector &weights, long fan_in, long fan_out); + + /* 均匀分布Xavier初始化函数 */ + static void xavierUniformInit(std::vector &weights, int fan_in, int fan_out); + + /* 工厂模式 通过形状构建全连接层 */ + static NeuralNetwork Create_in_Factory(const long inputno, const long outputno, float learning_rate, ActivationFunc func_type); + + /* 工厂模式 通过输入流读形状构建 */ + static NeuralNetwork Load_in_Factory(std::istream& in) { + std::string f_name; + if (!(in >> f_name)) + throw std::runtime_error("read out of lines"); + float learning_rate; + in >> learning_rate; + /*------------------*/ + size_t row, col; + in >> row; /* FIXME: 如果是负数会怎样 */ + in >> col; + auto weis = load_vec(in, row * col); + size_t rowb, colb; + in >> rowb >> colb; /* FIXME: 如果这里读错了，也要抛出异常 */ + auto bias = load_vec(in, col); + auto layer = NeuralNetwork( + row, col, weis, bias, learning_rate, ILayer::parse_ff_type(f_name)); + /*------------------*/ + return layer; + } + + static std::vector load_vec(std::istream& in, size_t length) { + std::vector data; + for (size_t i = 0; i < length; ++i) { + float item; + in >> item; + data.push_back(item); + } + return data; + } + + + /* 前向反馈 */ + std::vector forward(const std::vector& x) override; + + /* 反向传播 */ + std::vector backward(const std::vector& errors) override; + + /* + * 更新权重 + * + * 可以输入一个折扣系数 + */ + void update(float discount = 1.0); + + /* + * 神经网络层长大 + * + * 重新初始化权重矩阵，使用均匀分布初始化 + * + * num: 增加的神经元数量 + * flag: true为增加输入层，false为增加输出层 + */ + //void grow(int num, bool flag) { + + /* 输出神经网络到输出流 */ + void save(std::ostream& out) override { + out << get_f_type(f_type) << " "; + out << learning_rate << " "; + weights.save(out); out << " "; + bias.save(out); out << "\n"; + } + + /* 从输入流加载模型 + * FIXME: 只能从工厂模式中构造 */ + //void load(std::istream& in) override + + +private: + + /* 神经网络层规格 */ + long inputno, outputno; + + /* 权重与偏置矩阵 */ + Matrx weights; /* (outputs, inputs) */ + Matrx bias; /* (1, outputs) */ + + /* 学习率 */ + float learning_rate; + + /* 激活函数 */ + ActivationFunc f_type; + + /* 存储在类内部的上一次的输入，输出，和激活前输出 */ + Matrx prev_inputs, prev_raw_inputs, prev_outputs; + /* 存储本次学习的权重梯度以及偏置梯度 */ + Matrx weights_grad, bias_grad; + +}; +} diff --git a/lci/include/nn/PoolingLayer.hpp b/lci/include/nn/PoolingLayer.hpp new file mode 100644 index 0000000..966635c --- /dev/null +++ b/lci/include/nn/PoolingLayer.hpp @@ -0,0 +1,502 @@ +#pragma once +#include +#include +#include +#include +#include +#include +#include + +class PoolingLayer { +private: + // 池化类型枚举 + enum class PoolType { + MAX, + AVG + }; + + // 参数 + int pool_height; + int pool_width; + int stride; + int padding; + PoolType pool_type; + + // 输入输出尺寸 + int input_channels; + int input_height; + int input_width; + int output_height; + int output_width; + + // 中间变量缓存（用于反向传播） + std::vector max_idx_cache; // 最大池化时缓存最大值位置 + std::vector input_cache; // 缓存的输入 + std::vector output_cache; // 缓存的输出 + + // 辅助函数 + //void max_pool_forward(const float* input, float* output, int batch_size); + //void avg_pool_forward(const float* input, float* output, int batch_size); + //void max_pool_backward(const float* grad_output, float* grad_input, int batch_size); + //void avg_pool_backward(const float* grad_output, float* grad_input, int batch_size); + +public: + // 构造函数 + PoolingLayer(int pool_size, int stride = 2, int padding = 0, bool max_pool = true) + : pool_height(pool_size), + pool_width(pool_size), + stride(stride), + padding(padding), + pool_type(max_pool ? PoolType::MAX : PoolType::AVG) {} + + // 带不同高度和宽度的构造函数 + PoolingLayer(int pool_height, int pool_width, int stride = 2, int padding = 0, bool max_pool = true) + : pool_height(pool_height), + pool_width(pool_width), + stride(stride), + padding(padding), + pool_type(max_pool ? PoolType::MAX : PoolType::AVG) {} + + // 设置输入尺寸 + void set_input_shape(int channels, int height, int width) { + input_channels = channels; + input_height = height; + input_width = width; + + // 计算输出尺寸 + output_height = (height + 2 * padding - pool_height) / stride + 1; + output_width = (width + 2 * padding - pool_width) / stride + 1; + + // 清空缓存 + max_idx_cache.clear(); + input_cache.clear(); + output_cache.clear(); + } + + // 前向传播 + std::vector forward(const std::vector& input, int batch_size = 1, bool training = true) { + // 计算输出大小 + int output_size = batch_size * input_channels * output_height * output_width; + std::vector output(output_size, 0.0f); + + // 如果训练模式，缓存输入 + if (training) { + input_cache = input; + } + + // 根据池化类型选择前向传播函数 + if (pool_type == PoolType::MAX) { + max_pool_forward(input.data(), output.data(), batch_size); + } else { + avg_pool_forward(input.data(), output.data(), batch_size); + } + + // 如果训练模式，缓存输出 + if (training) { + output_cache = output; + } + + return output; + } + + // 反向传播 + std::vector backward(const std::vector& grad_output, int batch_size = 1) { + // 创建输入梯度 + std::vector grad_input(batch_size * input_channels * input_height * input_width, 0.0f); + + // 根据池化类型选择反向传播函数 + if (pool_type == PoolType::MAX) { + max_pool_backward(grad_output.data(), grad_input.data(), batch_size); + } else { + avg_pool_backward(grad_output.data(), grad_input.data(), batch_size); + } + + return grad_input; + } + + // 获取输出尺寸 + std::tuple get_output_shape() const { + return std::make_tuple(input_channels, output_height, output_width); + } + + // 获取参数信息 + void print_info() const { + std::cout << "Pooling Layer Info:" << std::endl; + std::cout << " Type: " << (pool_type == PoolType::MAX ? "Max Pooling" : "Average Pooling") << std::endl; + std::cout << " Pool Size: " << pool_height << "x" << pool_width << std::endl; + std::cout << " Stride: " << stride << std::endl; + std::cout << " Padding: " << padding << std::endl; + std::cout << " Input Shape: " << input_channels << "x" << input_height << "x" << input_width << std::endl; + std::cout << " Output Shape: " << input_channels << "x" << output_height << "x" << output_width << std::endl; + } + +private: + // 最大池化前向传播实现 + void max_pool_forward(const float* input, float* output, int batch_size) { + // 计算填充后的尺寸 + int padded_height = input_height + 2 * padding; + int padded_width = input_width + 2 * padding; + + // 清空最大值位置缓存 + max_idx_cache.clear(); + max_idx_cache.resize(batch_size * input_channels * output_height * output_width, -1); + + // 对每个批次、每个通道进行处理 + for (int b = 0; b < batch_size; b++) { + for (int c = 0; c < input_channels; c++) { + // 当前通道的输入和输出指针 + const float* input_ptr = input + b * input_channels * input_height * input_width + + c * input_height * input_width; + float* output_ptr = output + b * input_channels * output_height * output_width + + c * output_height * output_width; + int* max_idx_ptr = max_idx_cache.data() + b * input_channels * output_height * output_width + + c * output_height * output_width; + + // 对每个输出位置进行计算 + for (int oh = 0; oh < output_height; oh++) { + for (int ow = 0; ow < output_width; ow++) { + // 计算池化窗口的起始位置 + int start_h = oh * stride - padding; + int start_w = ow * stride - padding; + + // 计算池化窗口的结束位置 + int end_h = std::min(start_h + pool_height, padded_height); + int end_w = std::min(start_w + pool_width, padded_width); + + // 调整起始位置，确保不超出边界 + start_h = std::max(start_h, 0); + start_w = std::max(start_w, 0); + + // 在池化窗口内寻找最大值 + float max_val = -std::numeric_limits::max(); + int max_idx = -1; + + for (int ph = start_h; ph < end_h; ph++) { + for (int pw = start_w; pw < end_w; pw++) { + // 计算原始输入中的索引（考虑填充） + int orig_ph = ph - padding; + int orig_pw = pw - padding; + + // 检查是否在有效范围内 + if (orig_ph >= 0 && orig_ph < input_height && + orig_pw >= 0 && orig_pw < input_width) { + int idx = orig_ph * input_width + orig_pw; + float val = input_ptr[idx]; + + if (val > max_val) { + max_val = val; + max_idx = idx; + } + } + } + } + + // 存储输出和最大值位置 + output_ptr[oh * output_width + ow] = max_val; + max_idx_ptr[oh * output_width + ow] = max_idx; + } + } + } + } + } + + // 平均池化前向传播实现 + void avg_pool_forward(const float* input, float* output, int batch_size) { + // 计算填充后的尺寸 + int padded_height = input_height + 2 * padding; + int padded_width = input_width + 2 * padding; + + // 对每个批次、每个通道进行处理 + for (int b = 0; b < batch_size; b++) { + for (int c = 0; c < input_channels; c++) { + // 当前通道的输入和输出指针 + const float* input_ptr = input + b * input_channels * input_height * input_width + + c * input_height * input_width; + float* output_ptr = output + b * input_channels * output_height * output_width + + c * output_height * output_width; + + // 对每个输出位置进行计算 + for (int oh = 0; oh < output_height; oh++) { + for (int ow = 0; ow < output_width; ow++) { + // 计算池化窗口的起始位置 + int start_h = oh * stride - padding; + int start_w = ow * stride - padding; + + // 计算池化窗口的结束位置 + int end_h = std::min(start_h + pool_height, padded_height); + int end_w = std::min(start_w + pool_width, padded_width); + + // 调整起始位置，确保不超出边界 + start_h = std::max(start_h, 0); + start_w = std::max(start_w, 0); + + // 在池化窗口内计算平均值 + float sum = 0.0f; + int count = 0; + + for (int ph = start_h; ph < end_h; ph++) { + for (int pw = start_w; pw < end_w; pw++) { + // 计算原始输入中的索引（考虑填充） + int orig_ph = ph - padding; + int orig_pw = pw - padding; + + // 检查是否在有效范围内 + if (orig_ph >= 0 && orig_ph < input_height && + orig_pw >= 0 && orig_pw < input_width) { + int idx = orig_ph * input_width + orig_pw; + sum += input_ptr[idx]; + count++; + } + } + } + + // 计算平均值 + output_ptr[oh * output_width + ow] = (count > 0) ? sum / count : 0.0f; + } + } + } + } + } + + // 最大池化反向传播实现 + void max_pool_backward(const float* grad_output, float* grad_input, int batch_size) { + // 初始化输入梯度为0 + std::memset(grad_input, 0, batch_size * input_channels * input_height * input_width * sizeof(float)); + + // 对每个批次、每个通道进行处理 + for (int b = 0; b < batch_size; b++) { + for (int c = 0; c < input_channels; c++) { + // 当前通道的梯度指针 + const float* grad_output_ptr = grad_output + b * input_channels * output_height * output_width + + c * output_height * output_width; + float* grad_input_ptr = grad_input + b * input_channels * input_height * input_width + + c * input_height * input_width; + const int* max_idx_ptr = max_idx_cache.data() + b * input_channels * output_height * output_width + + c * output_height * output_width; + + // 对每个输出位置进行反向传播 + for (int oh = 0; oh < output_height; oh++) { + for (int ow = 0; ow < output_width; ow++) { + // 获取最大值位置索引 + int max_idx = max_idx_ptr[oh * output_width + ow]; + + // 如果最大值位置有效，将梯度传递到该位置 + if (max_idx >= 0) { + grad_input_ptr[max_idx] += grad_output_ptr[oh * output_width + ow]; + } + } + } + } + } + } + + // 平均池化反向传播实现 + void avg_pool_backward(const float* grad_output, float* grad_input, int batch_size) { + // 初始化输入梯度为0 + std::memset(grad_input, 0, batch_size * input_channels * input_height * input_width * sizeof(float)); + + // 计算填充后的尺寸 + int padded_height = input_height + 2 * padding; + int padded_width = input_width + 2 * padding; + + // 对每个批次、每个通道进行处理 + for (int b = 0; b < batch_size; b++) { + for (int c = 0; c < input_channels; c++) { + // 当前通道的梯度指针 + const float* grad_output_ptr = grad_output + b * input_channels * output_height * output_width + + c * output_height * output_width; + float* grad_input_ptr = grad_input + b * input_channels * input_height * input_width + + c * input_height * input_width; + + // 对每个输出位置进行反向传播 + for (int oh = 0; oh < output_height; oh++) { + for (int ow = 0; ow < output_width; ow++) { + // 计算池化窗口的起始位置 + int start_h = oh * stride - padding; + int start_w = ow * stride - padding; + + // 计算池化窗口的结束位置 + int end_h = std::min(start_h + pool_height, padded_height); + int end_w = std::min(start_w + pool_width, padded_width); + + // 调整起始位置，确保不超出边界 + start_h = std::max(start_h, 0); + start_w = std::max(start_w, 0); + + // 计算有效池化窗口的大小 + int count = 0; + for (int ph = start_h; ph < end_h; ph++) { + for (int pw = start_w; pw < end_w; pw++) { + // 计算原始输入中的索引（考虑填充） + int orig_ph = ph - padding; + int orig_pw = pw - padding; + + // 检查是否在有效范围内 + if (orig_ph >= 0 && orig_ph < input_height && + orig_pw >= 0 && orig_pw < input_width) { + count++; + } + } + } + + // 如果池化窗口内有有效元素，计算平均梯度 + if (count > 0) { + float avg_grad = grad_output_ptr[oh * output_width + ow] / count; + + // 将平均梯度分配到池化窗口内的每个位置 + for (int ph = start_h; ph < end_h; ph++) { + for (int pw = start_w; pw < end_w; pw++) { + // 计算原始输入中的索引（考虑填充） + int orig_ph = ph - padding; + int orig_pw = pw - padding; + + // 检查是否在有效范围内 + if (orig_ph >= 0 && orig_ph < input_height && + orig_pw >= 0 && orig_pw < input_width) { + int idx = orig_ph * input_width + orig_pw; + grad_input_ptr[idx] += avg_grad; + } + } + } + } + } + } + } + } + } +}; + +// 使用示例函数 +inline void pooling_layer_example() { + std::cout << "=== Pooling Layer Example ===" << std::endl; + + // 创建最大池化层 + PoolingLayer max_pool(2, 2, 0, true); // 2x2 最大池化，步长2，无填充 + max_pool.set_input_shape(3, 4, 4); // 3个通道，4x4输入 + + // 创建输入数据 + std::vector input(3 * 4 * 4); + for (int i = 0; i < 3 * 4 * 4; i++) { + input[i] = static_cast(i) / 10.0f; + } + + // 前向传播 + std::cout << "Forward pass..." << std::endl; + auto output = max_pool.forward(input, 1, true); + + // 获取输出形状 + auto [channels, height, width] = max_pool.get_output_shape(); + std::cout << "Output shape: " << channels << "x" << height << "x" << width << std::endl; + + // 打印输出 + std::cout << "Output values (first 10): "; + for (int i = 0; i < std::min(10, static_cast(output.size())); i++) { + std::cout << output[i] << " "; + } + std::cout << std::endl; + + // 创建梯度（假设全为1） + std::vector grad_output(output.size(), 1.0f); + + // 反向传播 + std::cout << "Backward pass..." << std::endl; + auto grad_input = max_pool.backward(grad_output, 1); + + std::cout << "Gradient input size: " << grad_input.size() << std::endl; + std::cout << "Gradient input values (first 10): "; + for (int i = 0; i < std::min(10, static_cast(grad_input.size())); i++) { + std::cout << grad_input[i] << " "; + } + std::cout << std::endl; + + // 打印层信息 + max_pool.print_info(); +} + +// 全局平均池化层（常用于CNN分类网络的最后） +class GlobalAveragePooling { +private: + int input_channels; + int input_height; + int input_width; + std::vector input_cache; + +public: + // 设置输入尺寸 + void set_input_shape(int channels, int height, int width) { + input_channels = channels; + input_height = height; + input_width = width; + } + + // 前向传播 + std::vector forward(const std::vector& input, int batch_size = 1, bool training = true) { + // 缓存输入（如果需要） + if (training) { + input_cache = input; + } + + // 计算输出大小：每个通道一个值 + int output_size = batch_size * input_channels; + std::vector output(output_size, 0.0f); + + // 对每个批次、每个通道计算平均值 + int spatial_size = input_height * input_width; + for (int b = 0; b < batch_size; b++) { + for (int c = 0; c < input_channels; c++) { + const float* input_ptr = input.data() + b * input_channels * spatial_size + c * spatial_size; + float sum = 0.0f; + + // 计算该通道所有空间位置的平均值 + for (int i = 0; i < spatial_size; i++) { + sum += input_ptr[i]; + } + + output[b * input_channels + c] = sum / spatial_size; + } + } + + return output; + } + + // 反向传播 + std::vector backward(const std::vector& grad_output, int batch_size = 1) { + // 创建输入梯度 + int spatial_size = input_height * input_width; + std::vector grad_input(batch_size * input_channels * spatial_size, 0.0f); + + // 对每个批次、每个通道分配梯度 + for (int b = 0; b < batch_size; b++) { + for (int c = 0; c < input_channels; c++) { + float grad = grad_output[b * input_channels + c] / spatial_size; + float* grad_input_ptr = grad_input.data() + b * input_channels * spatial_size + c * spatial_size; + + // 将梯度均匀分配到所有空间位置 + for (int i = 0; i < spatial_size; i++) { + grad_input_ptr[i] = grad; + } + } + } + + return grad_input; + } + + // 获取输出尺寸 + std::tuple get_output_shape() const { + return std::make_tuple(input_channels, 1); + } +}; + +/* + +// 创建池化层 +PoolingLayer pool(2, 2, 0, true); // 2x2最大池化，步长2，无填充 +pool.set_input_shape(64, 28, 28); // 64通道，28x28输入 + +// 前向传播 +auto output = pool.forward(input, batch_size, true); + +// 反向传播 +auto grad_input = pool.backward(grad_output, batch_size); + +*/ \ No newline at end of file diff --git a/lci/include/pmc/Modules.hpp b/lci/include/pmc/Modules.hpp new file mode 100644 index 0000000..dcfa83f --- /dev/null +++ b/lci/include/pmc/Modules.hpp @@ -0,0 +1,229 @@ +#pragma once +#include +#include +#include +#include +#include +namespace qing { +/* 子系统类 */ +class Modules { +public: + /* 传入子系统的路径 然后验证是否存在 */ + Modules(std::string& mods) { + this->home = mods; + if (!is_exist(this->home)) + throw SubsystemNotExist(mods); + } + + /* + * 获取子系统下某个模块的启动脚本路径 + * + * NOTE: 防注入检查是必须的 + */ + std::string GetInitp(std::string name) { + std::string ret = get_mod_init_path(name); + if (is_exist(ret)) { + return ret; + } + else { + throw InitScriptNotExist(ret); + } + } + + /* + * 列出子系统下的所有模块 + * + * 优化建议：做抽象层表示模块概念 + */ + std::vector ListAll() { + std::vector folders; + try { + for (const auto& entry: std::filesystem::directory_iterator(this->home)) + if (entry.is_directory()) + folders.push_back(entry.path().filename().string()); + } + catch(const std::filesystem::filesystem_error& e) { + ListModulesFailed(this->home, e.what()); + } + return folders; + } + + /* 在该子系统下创建一个初始模块 */ + void CrtMod(std::string &name) { + crt_mod_dir(name); + init_mod_dir(name); + init_mod_man(name); + grd_priv(name); + } + + /* 删除子系统下一个模块 */ + void DelMod(std::string &name) { + std::string fullpath = get_mod_path(name); + deleteDirectory(fullpath); + } + + /* 子系统异常模块 */ + class Mods_Exp: public std::runtime_error { + public: + explicit Mods_Exp(const std::string& msg): std::runtime_error(msg) { + ; + } + }; + + /* 子系统不存在异常 */ + class SubsystemNotExist: public Mods_Exp { + public: + explicit SubsystemNotExist(const std::string &name): Mods_Exp("Target subsystem " + name + " not exists.") { + ; + } + }; + + /* 启动脚本不存在异常 */ + class InitScriptNotExist: public Mods_Exp { + public: + explicit InitScriptNotExist(const std::string &name): Mods_Exp("Target init script " + name + " not exists") { + ; + } + }; + + /* 列举模块失败异常 */ + class ListModulesFailed: public Mods_Exp { + public: + explicit ListModulesFailed(const std::string &name, const std::string &reson): Mods_Exp("Error when read subsystem <" + name + "> , because " + reson) { + ; + } + }; + + /* 要创建的路径已经存在 */ + class AlreadyExist: public Mods_Exp { + public: + explicit AlreadyExist(const std::string &name): Mods_Exp(name) { + ; + } + }; + + /* 创建失败 */ + class CreateFailed: public Mods_Exp { + public: + explicit CreateFailed(const std::string &name): Mods_Exp(name) { + ; + } + }; + + /* 提升权限失败 */ + class GrandPrivilegesFailed: public Mods_Exp { + public: + explicit GrandPrivilegesFailed(const std::string &name): Mods_Exp(name) { + ; + } + }; + + /* 删除失败 */ + class DeleteFailed: public Mods_Exp { + public: + explicit DeleteFailed(const std::string &name): Mods_Exp(name) { + ; + } + }; + +private: + + /* 子系统的模块目录 */ + std::string home; + + /* 创建模块目录*/ + void crt_mod_dir(std::string name) { + std::string fullpath = get_mod_path(name); + if (is_exist(fullpath)) { + throw AlreadyExist(name); + } else { + std::filesystem::create_directory(fullpath); + } + } + + /* 初始化模块目录，创建启动脚本 */ + void init_mod_dir(std::string name) { + std::string fullpath = get_mod_init_path(name); + if (is_exist(fullpath)) { + throw AlreadyExist(name); + } + else { + std::ofstream outFile = std::ofstream(fullpath); + if (outFile) { + outFile << "#!/bin/bash\n"; + outFile << "cd \"$(dirname \"$0\")\" || exit\n\n"; + outFile << "exec echo hello!"; + } else { + throw CreateFailed(name); + } + } + } + + /* 初始化一个模块的手册（README.md）*/ + void init_mod_man(std::string name) { + std::string fullpath = get_mod_man_path(name); + if(is_exist(fullpath)) { + throw AlreadyExist(fullpath); + } + else { + std::ofstream outFile = std::ofstream(fullpath); + if (outFile) { + outFile << "# "; + outFile << name; + outFile << "\n"; + } else { + throw CreateFailed(name); + } + } + } + + /* 获取模块的路径 */ + std::string get_mod_path(std::string &name) { + return this->home + get_sep() + name; + } + + /* 获取模块的启动脚本路径 */ + std::string get_mod_init_path(std::string &name) { + return get_mod_path(name) + get_sep()+ "_run.sh"; + } + + /* 获取模块的手册路径 */ + std::string get_mod_man_path(std::string &name) { + return get_mod_path(name) + get_sep()+ "README.md"; + } + + /* 赋予一个文件755权限 */ + void grd_priv(std::string &name) { + std::string fullpath = get_mod_init_path(name); + if (chmod(fullpath.c_str(), 0755) == -1) { + throw GrandPrivilegesFailed("path"); + } + } + + /* 获取当前可执行程序所在目录 */ + static std::string get_curr() { + return std::filesystem::canonical("/proc/self/exe").parent_path().string(); + } + + /* 文件是否存在 */ + static bool is_exist(std::string &path) { + return std::filesystem::exists(path); + } + + /* 获取文件系统分隔符号 */ + static char get_sep() { + return std::filesystem::path::preferred_separator; + } + + /* 删除一整个文件夹 */ + static void deleteDirectory(const std::filesystem::path& path) { + try { /* 递归 */ + std::filesystem::remove_all(path) > 0; + } + catch (const std::filesystem::filesystem_error& e) { + throw DeleteFailed(e.what()); + } + } + +}; +} diff --git a/lci/src/lci/Area.cpp b/lci/src/lci/Area.cpp new file mode 100644 index 0000000..68a6df2 --- /dev/null +++ b/lci/src/lci/Area.cpp @@ -0,0 +1,79 @@ +#include +#include "lci/utf8.h" +#include "lci/ansi.h" +#include "lci/Drawable.h" +#include "lci/Area.h" +namespace qing { + + /* FIXME: 区域类持有可绘制类的引用 */ + Area::Area(Drawable *d, int w, int h, int x, int y, int rotate = 0, int fontsize=18) + :Drawable(w, h, x, y, rotate, fontsize) { + this->d = d; + } + + /* 获取持有可绘制对象的颜色 */ + Color Area::_get(int x, int y) { + return d->get_color(this->x + x, this->y + y); + } + + /* 绘制到持有可绘制对象 */ + void Area::_p(int x, int y, Color &clr) { + d->point(this->x + x, this->y + y, clr); + } + + /* 持有可绘制对象区域移动 */ +// void Area::_up(int x, int y, int w, int h, int level) { +// d->up(this->x + x, this->y + y, w, h, level); +// } +// +// void Area::_down(int x, int y, int w, int h, int level) { +// d->down(this->x + x, this->y + y, w, h, level); +// } +// +// void Area::_left(int x, int y, int w, int h, int level) { +// d->left(this->x + x, this->y + y, w, h, level); +// } +// +// void Area::_right(int x, int y, int w, int h, int level) { +// d->right(this->x + x, this->y + y, w, h, level); +// } + + /* 将另一个可绘制对象刷新到这里 */ + void Area::flush(Drawable *n, bool border) { + Rectangle size = n->get_size(); + Rectangle pos = n->get_pos(); + Color &clr = n->getFontsColor(); + if (border) { + rectangle(pos.w-1, pos.h-1, size.w+1, size.h+1, clr); + } + + /* FIXME: Area无需复制？如果是两块区域还是需要的 */ + Area *p = dynamic_cast(n); + if (p != nullptr) return; + + // too slow + // 太慢了 + for (int x = 0; x < size.w; ++x) { + for (int y = 0; y < size.h; ++y) { + Color color = n->get_color(x, y); + point(pos.w + x, pos.h + y, color); + } + } + } + + /* FIXME: 边界检查应该加在父类方法中 不超出边界 */ + /* FIXME: 将border写入成员中，如果有border连同它一起移动 */ + /* FIXME: rotate=1时不能正常移动 */ + void Area::move(int x, int y) { + // if (x >= 0) + // d->right(this->x, this->y, this->w+x, this->h, x); + // else if (x < 0) + // d->left(this->x+x, this->y, this->w-x, this->h, x); + // if (y >= 0) + // d->down(this->x+x, this->y, this->w, this->h+y, y); + // else if (y <0) + // d->up(this->x+x, this->y+y, this->w, this->h-y, y); + this->x += x; + this->y += y; + } +} diff --git a/lci/src/lci/CmdArea.cpp b/lci/src/lci/CmdArea.cpp new file mode 100644 index 0000000..a0bee90 --- /dev/null +++ b/lci/src/lci/CmdArea.cpp @@ -0,0 +1,219 @@ +/* + * FIXME: 现在输入框无法触底 + */ + +#include +#include +#include "lci/CmdArea.h" +#include "lci/utf8.h" +#include "lci/ansi.h" +constexpr static auto H = 2; +namespace qing { + /* FIXME(20260113): 将输入框做成大部分时候和输入行在同一行 */ + CmdArea::CmdArea(Drawable *d, int w, int h, int x, int y, int rotate, int fontsize, bool hasBox) + : Area(d, w, h, x, y, rotate, fontsize), hasBox(hasBox) { + //auto w_std = w - 2 * x; + auto w_std = 5 * fontsize; + auto w_tar = 5 * fontsize; + if (hasBox) { + area = std::make_unique(this, (w_tar < w_std) ? w_tar : w_std, H*fontsize, x, fontsize*2, rotate, fontsize); + } + } + + void CmdArea::Input(char c) { + std::unique_lock lck(this->lock); + this->input += c; + } + + void CmdArea::ClearInput() { + std::unique_lock lck(this->lock); + this->input = ""; + } + + void CmdArea::update_input() { + std::unique_lock lck(this->lock); + if (hasBox) + area->print((char*)this->input.c_str(), 0); + } + + void CmdArea::clearBox() { + std::unique_lock lck(this->lock); + auto clr = black; + if (hasBox){ + auto size = area->get_size(); + area->rectangle_fill(0, 0, size.w-1, size.h, clr); + } + } + + void CmdArea::delete_input() { + std::unique_lock lck(this->lock); + auto l = this->input.length(); + this->input = this->input.substr(0, l - 1); + } + + std::string CmdArea::get_input_and_clear() { + std::unique_lock lck(this->lock); + auto cur = this->input; + this->input = ""; + return cur; + } + + void CmdArea::print(char *utf8, int d) { + auto color = black; + auto fontsize = FontSize_get(); + auto half_f = fontsize / 2; + this->lock.lock(); + + auto subpos =(hasBox) ? area->get_pos() : Rectangle{0, 0}; + auto subsize = (hasBox) ? area->get_size() : Rectangle{0, 0}; + if (hasBox) + rectangle_fill(subpos.w-1, subpos.h-1, subsize.w+2, subsize.h+2, color); + char *ansi = utf8::to_ansi(utf8); + char *p = ansi; + Rectangle l = get_size(); + while (1) { + + //int size = ansi::size_gb18030((unsigned char*)p, 4); + /** + * 这个老的矢量字库应该是 GB2312 的 + */ + int size = ansi::size_gb2312(*(unsigned char *)p); + + if (*p == '\n') { + + x_f = 0; + y_f += fontsize; + + } else if (*p == '\0') { + + break; + + } else if (*p == '\t') { + + int n = x_f / half_f; + int m = 8 - n % 8; + x_f += m * half_f; + + } else if (*p == '\r') { + + ; + + } else if (*p == '\033') { + p++; + if (*p != '[' && *p != ']') continue; + + if (*p == ']') { + p++; + while (*p != '\007') { + p++; + } + } + + else if (*p == '[') { + p++; + int top = 0, t2 = 0; + char buffer[32], buf2[16]; + while((!(*p > 'a' && *p < 'z') && !(*p >'A' && *p < 'Z')) && (*p != '\0')) { + buffer[top++] = *(p++); + } + if (*p == '\0') break; + buffer[top++] = *p; + buffer[top] = '\0'; + //printf("%s\n", buffer); + int i = 0; + while (i <= top) { + if (buffer[i] == ';') { + buf2[t2] = '\0'; + handle_ansi_code(buf2); + buf2[0] = '\0'; + t2 = 0; + } else { + buf2[t2++] = buffer[i]; + } + i++; + } + buf2[t2] = '\0'; + handle_ansi_code(buf2); + } + + } else { // 正常的字 + + char c; + if (size == 1) { + c = *(p + 1); + *(p + 1) = '\0'; + } + drawvfont(x_f, y_f, *(unsigned short*)p, clr); + if (size == 1) { + *(p + 1) = c; + } + x_f += (size == 1) ? fontsize / 2 : fontsize; + + } + + if (x_f >= l.w - fontsize) { + + y_f += fontsize; + x_f = 0; + + } + + if (y_f >= l.h - (d + 3) * fontsize) { /* FIXME: d加上输入框高度 */ + + int level = (y_f % fontsize == 0) ? fontsize : y_f % fontsize; + y_f -= level; + up(0, 0, l.w, l.h - d * fontsize, level); + + } + + p += size; + + } + free(ansi); + if (hasBox) { + subpos.w = ((x_f + fontsize + subsize.w) > l.w - fontsize) ? l.w - fontsize - subsize.w : x_f + fontsize; + subpos.h = y_f + fontsize; + area->set_pos(subpos); + this->lock.unlock(); + this->update_input(); + flush(area.get(), true); + } + } + + void CmdArea::handle_ansi_code(char *buffer) { + static std::vector v; + std::string cur = buffer; + char c = '\0'; + v.push_back(cur); + if (!cur.empty() && std::isalpha((c = cur.back()))) { + for ( const auto& elem: v ) { + + if (elem == "32m") { + Color clr = green; + set_color(clr); + } else if (elem == "34m") { + Color clr = blue; + set_color(clr); + } else if (elem == "0m" || elem == "00m") { + Color clr = white; + set_color(clr); + } else if (elem == "1m" || elem == "01m") { + if (v[0] == "40") { + ; + } + + if (v[1] == "33") { + //Color clr = yellow; + //set_color(clr); + } + } + std::cout << elem << " "; + + } + v.clear(); + std::cout << std::endl; + } + + } + +} diff --git a/lci/src/lci/Color.cpp b/lci/src/lci/Color.cpp new file mode 100644 index 0000000..247a6bf --- /dev/null +++ b/lci/src/lci/Color.cpp @@ -0,0 +1,8 @@ +#include "lci/Color.h" +namespace qing { + const Color black=Color(0,0,0); + const Color white=Color(255,255,255); + const Color green=Color(0,255,0); + const Color blue =Color(0,0,255); + const Color red =Color(255,0,0); +} diff --git a/lci/src/lci/CommonThread.cpp b/lci/src/lci/CommonThread.cpp new file mode 100644 index 0000000..6c023ff --- /dev/null +++ b/lci/src/lci/CommonThread.cpp @@ -0,0 +1,102 @@ + +#include +#include "lci/CommonThread.h" +namespace qing { +namespace lci{ + void CommonThread::thread_main() { + + while (chk() != SSHUT) { + /*进入回字形循环，如果不是进入关闭态 + 内层循环会一直进行。*/ + + if (chk() == SSTOP){ + /*内层循环，静止状态*/ + StopEvent(); + } + + if (chk() == SSTART) { + /*由静止状态退出时，如果进入开始状态 + 则进入单次的设置操作*/ + WakeEvent(); + } + + if (chk() == SRUNNING) { + /*由设置阶段退出时，如果是运行状态，则发出提示*/ + } + + while (chk() == SRUNNING) { + //进入运行态 + LoopEvent(); + } + + /*循环末尾，进行一次清理 + 由于之前可能是由静止态直接切换到关闭工作 + 在清理时需要检查成员变量是否是被设置过的*/ + ClearEvent(); + } + + }//入口 + + CommonThread::CommonThread(std::string name) { + /*构造函数，完成数据域的设置。*/ + this->label = name; + //创建线程的函数 + this->thread = new std::thread(&CommonThread::thread_main, this); + } + + //清除线程 + //使线程自主退出的函数必须放到外面或者子类叶子上， + //否则会导致关闭时子类已经被释放，进而导致调用不了 + CommonThread::~CommonThread(){ + if (this->thread){ + delete this->thread;//删除线程类 + } + + } //销毁线程 + + + //----------------------------------------------------------- + //访问器函数 + + void CommonThread::SetLabel(std::string name) { + //对线程名字的设置 + this->label = name; + } + + std::string& CommonThread::GetLabel() { + //对线程名字的获取 + return this->label; + } + + //----------------------------------------------------------- + //等待线程启动完毕 + //线程启动失败返回失败。线程启动成功或者现程结束返回成功。 + bool CommonThread::WaitStart(unsigned long n) { + for(unsigned long i=0; ichk(); + if (stat == SSTOP) return false; + else if (stat == SRUNNING || stat == SSHUT) return true; + else if (stat == SSTART) usleep(1); + }//按次循环 + return false; + }//等线程开始 + + //等线程关闭 + void CommonThread::WaitClose() { + thread->join(); + } + //----------------------------------------------------------- + + void CommonThread::StopEvent(){ + this->suspend(); + } + void CommonThread::WakeEvent(){ + this->run(); + } + void CommonThread::LoopEvent(){ + usleep(10000); + } + void CommonThread::ClearEvent() { + } +}//lci +} diff --git a/lci/src/lci/Drawable.cpp b/lci/src/lci/Drawable.cpp new file mode 100644 index 0000000..827febc --- /dev/null +++ b/lci/src/lci/Drawable.cpp @@ -0,0 +1,359 @@ +#include +#include "lci/Drawable.h" +namespace qing { + + /* FIXME: 字体宽高分开传入 */ + Drawable::Drawable(int w, int h, int x, int y, int rotate, int fontsize) /* 构造可绘制对象 */ + : w(w), h(h), x(x), y(y), rotate(rotate), font_w(fontsize), font_h(fontsize) { + zn = zzhinumber; /* 初始化字库 */ + vennum = ttunumber; + } + + + Rectangle Drawable::get_size() { /* 获取表示尺寸的矩形 */ + if (rotate == 0 || rotate == 2) { + return Rectangle(w, h); + } else if (rotate == 1 || rotate == 3) { + return Rectangle(h, w); + } + throw Drawable::InvalidRotateMode(); + } + + Rectangle Drawable::get_pos() { /* 获取表示位置的矩形 */ + return Rectangle(x, y); + } + + void Drawable::set_pos(Rectangle rect) { /* 设置表示位置的矩形 */ + x = rect.w; + y= rect.h; + } + + Color Drawable::get_color(int x, int y) { /* 获取颜色 */ + + if (rotate == 0) + { + return _get(x, y); + } + + else if (rotate == 1) + { + return _get(y, h - x - 1); + } + + else if (rotate == 2) + { + return _get(w - x - 1, h - y - 1); + } + + else if (rotate == 3) + { + return _get(w - y - 1 , x); + } + + throw Drawable::InvalidRotateMode(); + } + + /* 设置颜色 */ + void Drawable::set_color(Color &color) { + this->clr = color; + } + + /* 设置字体大小 */ + void Drawable::FontSize(int fontsize) { + font_w = fontsize; + font_h = fontsize; + } + + /* 获取字体大小 */ + int Drawable::FontSize_get() { + return font_w; + } + + /* 获取字体颜色 */ + Color &Drawable::getFontsColor() { + return this->clr; + } + + + void Drawable::point(int x, int y, Color &clr) { /* 绘制点 */ + + if (rotate == 0) + { + _p(x, y, clr); + } + + else if (rotate == 1) + { + _p(y, h - x - 1, clr); + } + + else if (rotate == 2) + { + _p(w - x - 1, h - y - 1, clr); + } + + else if (rotate == 3) { + _p(w - y - 1 , x, clr); + } + + } + + void Drawable::line(int x1, int y1, int x2, int y2, Color &clr) /* 绘制线 */ + { + double t, dt; + double i, j; + i = x1; + j = y1; + if (std::fabs(x2 - x1) > std::fabs(y2 - y1)) + dt = 1 / (std::fabs(x2 - x1) * 2.0); + else + dt = 1 / (std::fabs(y2 - y1) * 2.0); + for (t = 0; t <= 1.0; t += dt) { + point((int)(i+0.5), (int)(j+0.5), clr); + i += dt * (x2 - x1); + j += dt * (y2 - y1); + } + } + + void Drawable::rectangle(int x, int y, int w, int h, Color &clr) /* 绘制矩形 */ + { + line(x, y, x+w, y, clr); + line(x+w, y, x+w, y+h, clr); + line(x+w, y+h, x, y+h, clr); + line(x, y+h, x, y, clr); + } + + void Drawable::rectangle_fill(int x, int y, int w, int h, Color &clr) /* 填充矩形 */ + { + for (int i = 0; i < h; ++i) + { + line(x, y+i, x+w, y+i, clr); + } + } + +// void Drawable::up(int x, int y, int w, int h, int level) /* 画面上移 */ +// { +// switch (rotate) +// { +// case 0: { +// _up(x, y, w, h, level); +// break; +// } +// case 1: { +// _left(y, x, h, w, level); +// break; +// } +// case 2: { +// _down(this->w - x - w, this->h - y - h, w, h, level); +// break; +// } +// case 3: { +// _right(this->w - y - h, x, h, w, level); +// break; +// } +// } +// } +// +// void Drawable::down(int x, int y, int w, int h, int level) /* 画面下移 */ +// { +// switch (rotate) +// { +// case 0: { +// _down(x, y, w, h, level); +// break; +// } +// case 1: { +// _right(y, x, h, w, level); +// break; +// } +// case 2: { +// _up(this->w - x - w, this->h - y - h, w, h, level); +// break; +// } +// case 3: { +// _left(this->w - y - h, x, h, w, level); +// break; +// } +// } +// } +// +// void Drawable::left(int x, int y, int w, int h, int level) /* 画面左移 */ +// { +// switch (rotate) +// { +// case 0: { +// _left(x, y, w, h, level); +// break; +// } +// case 1: { +// _down(y, x, h, w, level); +// break; +// } +// case 2: { +// _right(this->w - x - w, this-> h - y - h, w, h, level); +// break; +// } +// case 3: { +// _up(this->w - y - h, x, h, w, level); +// break; +// } +// } +// } +// +// void Drawable::right(int x, int y, int w, int h, int level) /* 画面右移 */ +// { +// switch (rotate) +// { +// case 0: { +// _right(x, y, w, h, level); +// break; +// } +// case 1: { +// _up(y, x, h, w, level); +// break; +// } +// case 2: { +// _left(this->w - x - w, this->h - y - h, w, h, level); +// break; +// } +// case 3: { +// _down(this->w - y - h, x, h, w, level); +// break; +// } +// } +// } + + /* FIXME: 单独放在一个文件里 */ + void Drawable::test() { /* 绘制测试图案 */ + + Rectangle size = get_size(); + Color base; + int k1 = -1; + + for (int y=0; y < size.h; ++y) { + Color cur = base; + int k2 = -1; + + for (int x=0; x < size.w; x++) { + + if (cur.r == 0) k2 = 1; + else if (cur.r == 255) k2 = -1; + + cur.r += k2; + cur.g += k2; + cur.b += k2; + + point(x, y, cur); + + } + + if (base.r == 0) k1 = 1; + else if (base.r == 255) k1 = -1; + + base.r += k1; + base.g += k1; + base.b += k1; + } + } + + /* 移动测试 */ +// void Drawable::test1() +// { +// Rectangle size = get_size(); +// up(0, 0, size.w, size.h, 10); +// down(0, 0, size.w, size.h, 5); +// left(0, 0, size.w, size.h, 10); +// right(0, 0, size.w, size.h, 5); +// } + + unsigned char *Drawable::drawvect(int x, int y, unsigned char *vect, int width, int high, Color &clr) + // x, y是左上角坐标，vect指向矢量图数据，width和high分别代表要绘制的图的宽和高(好像宽需要=高) + { + if (!vect) return nullptr; + int i = 0, j = 1; // 指向第一对数字 + unsigned char ix, iy; // 从数组取出的第一对坐标放在这 + double x1, y1;//, x2, y2; // 绘制直线的实数的坐标 + if (high == 0) high = width; // 调节高宽 + int ii1, jj1, ii2, jj2; // 最后算出的绘制直线的坐标 + int isend = 0; //是否到达曲线尾 + int isallend = 0; // 是否结束整个图像 + do { + ix = vect[i]; + iy = vect[j]; + isend = ix & 1; // 奇数代表曲线尾 + isallend = iy & 1; // 奇数代表整个图像结束 + if (isallend) { + i += 2; + break; // 整个图像结束返回 + } + if (isend) { // 如果这里曲线结束什么也不画进到下一条曲线 + i += 2; + j += 2; + continue; + } + ix /= 2; + iy /= 2; + x1 = ix; + y1 = iy; + x1 = width * x1 / 128.0; + y1 = high * y1 / 128.0; + ii1 = (int)(x1 + x); + jj1 = (int)(y1 + y); + int k; + for (k = 0; k < 100000; k++) { + //x2 = x1; + //y2 = y1; + ii2 = ii1; + jj2 = jj1; + i += 2; + j += 2; + ix = vect[i]; + iy = vect[j]; + isend = ix & 1; //奇数代表曲线尾 + isallend = iy & 1; //奇数代表整个图像结束 + ix /= 2; + iy /= 2; + x1 = ix; + y1 = iy; + x1 = width * x1 / 128.0; + y1 = high * y1 / 128.0; + ii1 = (int)(x1 + x); + jj1 = (int)(y1 + y); + line(ii1, jj1, ii2, jj2, clr); + if (isend || isallend) + break; + } + i += 2; //指向下一条曲线 + j += 2; + } while (!isallend); + return vect + i; + } + + void Drawable::drawvfont(int x, int y, unsigned short z, Color &clr) { + int i, j, k, ii; + j = -1; + for (i = 0; i < zn; i++) { + if (chss[i] == z) { + j = i; + break; + } + } + if (j < 0) return; + k = 0; + for (i = 0; i < vennum; i++) { + if (k == j) + break; + for (ii =i; ii +#include +#include +#include +#include +#include +#include +#include "lci/FrameBuf.h" +#include "lci/Area.h" +namespace qing { + + /* 这个构造函数太长，应该还可以再提炼一下 */ + FrameBuf::FrameBuf(const char *path, int rotate, int fontsize) + : Drawable(0, 0, 0, 0, rotate, fontsize) { + + //int open_dev(const char *path) + { + if (d != -1) { + throw std::runtime_error("Device already opening."); + } + + if ((d = open(path, O_RDWR)) == -1) { + throw std::runtime_error("Error openning framebuffer device"); + } + } + + //void init_info() + { + if (ioctl(d, FBIOGET_VSCREENINFO, &var_info) < 0) { + close(d); + d=-1; + throw std::runtime_error("Error reading screen variable information"); + } + + if (ioctl(d, FBIOGET_FSCREENINFO, &fix_info) < 0) { + close(d); + d=-1; + throw std::runtime_error("Error reading fixed information"); + } + } + + std::cout << "res:\t\t" << var_info.xres << "," << var_info.yres << std::endl; + std::cout << "res_virtual:\t" << var_info.xres_virtual << "," << var_info.yres_virtual << std::endl; + std::cout << "bpp:\t\t" << var_info.bits_per_pixel << std::endl; + + w = var_info.xres_virtual; + h = var_info.yres_virtual; + + + /* + * 不知道用不用虚拟尺寸，目前是用，在虚拟机上的效果不清楚。我在虚拟机上见过虚拟比实际小的。 + * + * 而我的机器人上则是虚拟尺寸比物理尺寸大。 + */ + //long v_size = (long)var_info.xres * var_info.yres * var_info.bits_per_pixel / 8; + long v_size = (long)var_info.xres_virtual * var_info.yres_virtual * var_info.bits_per_pixel / 8; + + long logic_size = (long)fix_info.smem_len; + int delta = logic_size - v_size; + // 如果实长大于虚长，那么就证明这个缓冲区存在过量 + double delta_x = (double)delta / var_info.xres; + double delta_y = (double)delta / var_info.yres; + double delta_bpp = (double)delta / var_info.bits_per_pixel; + + + std::cout << "virtual size:\t" << v_size << std::endl; + std::cout << "logic size:\t" << logic_size<< std::endl; + std::cout << "delta: \t" << delta<< std::endl; + std::cout << "delta x: \t" << delta_x<< std::endl; + std::cout << "delta y: \t" << delta_y<< std::endl; + std::cout << "delta bpp: \t" << delta_bpp<< std::endl; + if (delta == 0) { + // 如果实长和虚长是相等的，那么就证明这个缓冲区无过量 + x_over = 0; + } + + else if (delta > 0) { + + // 是否存在小数差距 + if (delta_y - (int)delta_y != 0) { + //close(d); + //d=-1; + //throw std::runtime_error("y_over"); + x_over = delta_y * 8 / var_info.bits_per_pixel; + } + else { + // 计算横轴过量 + x_over = delta_y * 8 / var_info.bits_per_pixel; + } + } + + // 计算行跳量 + line_jump = (var_info.xres_virtual + x_over) * var_info.bits_per_pixel / 8; + + + // + buf = (char*)mmap(buf, fix_info.smem_len, PROT_WRITE, MAP_SHARED, d, fix_info.smem_start); + if (buf == MAP_FAILED) { + close(d); + d=-1; + throw std::runtime_error("Failed mapping of the frame buffer to memory"); + } + + clear(); + } + + FrameBuf::~FrameBuf() { /* 析构函数 */ + clear(); + munmap(buf, fix_info.smem_len); + close(d); + } + + /* 获取像素比特 */ + int FrameBuf::get_bpp() { return var_info.bits_per_pixel; } + + /* 32位像素比特的绘制点 */ + void FrameBuf::p32(__u32 ux, __u32 uy, Color &color) + { + if (ux < 0 || ux >= var_info.xres_virtual + || uy < 0 || uy >= var_info.yres_virtual) + return; + char *p = buf + (uy * line_jump + ux * 4); + *p++ = color.b; + *p++ = color.g; + *p++ = color.r; + } + + /* 16位像素比特的绘制点 */ + void FrameBuf::p16(__u32 ux, __u32 uy, Color &color) { + if (ux < 0 || ux >= var_info.xres_virtual + || uy < 0 || uy >= var_info.yres_virtual) + return; + char *p = buf + (uy * line_jump + ux * 2); + uint16_t pixel_value = 0; + pixel_value |= (color.r >> 3) << 11; //5 + pixel_value |= (color.g >> 2) << 5; //6 + pixel_value |= (color.b >> 3); //5 + *reinterpret_cast(p) = pixel_value; + } + + /* 获取16像素比特时的像素颜色 */ + Color FrameBuf::get16(__u32 ux, __u32 uy) { + char *p = buf + uy * line_jump + ux * get_bpp() / 8; + unsigned char r = (*(short*)p >> 11) & 0x1F; + unsigned char g = (*(short*)p >> 5) & 0x3F; + unsigned char b = (*(short*)p) & 0x1F; + return Color((r << 3) | (r >> 2), (g << 2) | (g >> 4), (b << 3) | (b >> 2)); + } + + /* 获取32位像素比特时的像素颜色 */ + Color FrameBuf::get32(__u32 ux, __u32 uy) { + char *p = buf + uy * line_jump + ux * get_bpp() / 8; + unsigned char r = *(p++); + unsigned char g = *(p++); + unsigned char b = *(p++); + return Color(r, g, b); + } + + /* 覆盖获取点方法 */ + Color FrameBuf::_get(int x, int y) { + switch (get_bpp()) { + case 16: + return get16((__u32)x, (__u32)y); + case 32: + return get32((__u32)x, (__u32)y); + } + throw FrameBuf::UnknowBPP(); + } + + /* 覆盖绘制点方法 */ + void FrameBuf::_p(int x, int y, Color &clr) { + + int bpp = get_bpp(); + if (bpp == 16) { + p16((__u32)x, (__u32)y, clr); + } else if (bpp == 32) { + p32((__u32)x, (__u32)y, clr); + } + + } + + /* 覆盖上移方法 */ +// void FrameBuf::_up(int x, int y, int w, int h, int level){ +// int l = get_bpp() / 8; +// int oneline = w * l; +// char *s = buf + y * line_jump + x * l; +// char *d = s + level * line_jump; +// for (int _ = 0; _ < h - level; ++_) { +// memcpy(s, d, oneline); +// s += line_jump; +// d += line_jump; +// } +// for (int _ = 0; _ < level; ++_) { +// memset(s, 0, oneline); +// s += line_jump; +// } +// } +// +// /* 覆盖下移方法 */ +// void FrameBuf::_down(int x, int y, int w, int h, int level) { +// int l = get_bpp() / 8; +// int oneline = w * l; +// long d = level * line_jump; +// char *start = buf + y * line_jump + x * l; +// char *src = start + h * line_jump; +// char *dist = src - d; +// +// do { +// +// src -= line_jump; +// dist -= line_jump; +// memcpy(src, dist, oneline); +// +// } while(dist != start); +// +// do { +// +// src -= line_jump; +// memset(src, 0, oneline); +// +// } while (src != start); +// +// } +// +// /* 覆盖左移方法 */ +// void FrameBuf::_left(int x, int y, int w, int h, int level) { +// +// int l = get_bpp() / 8; +// int d = level * l; +// int length = (w - level) * l; +// char *start = buf + y * line_jump + x * l; +// char *src = start + h * line_jump; +// do { +// src -= line_jump; +// memcpy(src, src + d, length); +// memset(src + length, 0, d); +// } while (src != start); +// +// } +// +// /* 覆盖右移方法 */ +// /*!*/ +// void FrameBuf::_right(int x, int y, int w, int h, int level) { +// int l = get_bpp() / 8; +// int d = level * l; +// int length = (w - level) * l; +// char *start = buf + y * line_jump + x * l; +// char *p = start + h * line_jump; +// char *tmp = new char[length]; +// do { +// p -= line_jump; +// char *src = p + d; +// memcpy(tmp, p, length); +// memcpy(src, tmp, length); +// memset(p, 0, d); +// } while (p != start); +// delete[] tmp; +// } + + /* 清理方法 */ + void FrameBuf::clear() { + memset(buf, 0, fix_info.smem_len); + } + + /* 将一个别的可绘制区域刷新到这个上面，也许可以绘制标头 */ + void FrameBuf::flush(Drawable *n, bool border) { + Color &clr = n->getFontsColor(); + Rectangle size = n->get_size(); + Rectangle pos = n->get_pos(); + + if (border) { + rectangle(pos.w-1, pos.h-1, size.w+2-1, size.h+2-1, clr); + rectangle(pos.w-2, pos.h-2, size.w+4-1, size.h+4-1, clr); + rectangle_fill(pos.w-2, pos.h-_HEAD_LEN-2+1, size.w+4-1, _HEAD_LEN, clr); + } + + Area *p = dynamic_cast(n); + if (p != nullptr) return; + + // too slow 太慢 + for (int x = 0; x < size.w; ++x) { + for (int y = 0; y < size.h; ++y) { + Color color = n->get_color(x, y); + point(pos.w + x, pos.h + y, color); + } + } + } + +} diff --git a/lci/src/lci/InputBox.cpp b/lci/src/lci/InputBox.cpp new file mode 100644 index 0000000..d436fd8 --- /dev/null +++ b/lci/src/lci/InputBox.cpp @@ -0,0 +1,57 @@ +#include "lci/utf8.h" +#include "lci/ansi.h" +#include "lci/InputBox.h" +namespace qing { + InputBox::InputBox(Drawable *d, int w, int h, int x, int y, int rotate = 0, int fontsize=18): Area(d, w, h, x, y, rotate, fontsize) { + this->d = d; + } + + void InputBox::print(char *utf8, int _line) { + + char *ansi = utf8::to_ansi(utf8); + char *p = ansi; + int fontsize = FontSize_get(); + int x_f = 0, y_f = _line * fontsize; + Rectangle l = get_size(); + while (1) { + + //int size = ansi::size_gb18030((unsigned char*)p, 4); + + /* 这个汉字库应该是 GB2312 的 */ + int size = ansi::size_gb2312(*(unsigned char *)p); + + if (*p == '\0') { + + break; + + } else { // 正常的字 + + char c; + if (size == 1) { + c = *(p + 1); + *(p + 1) = '\0'; + } + + drawvfont(x_f, y_f, *(unsigned short*)p, clr); + + if (size == 1) { + *(p + 1) = c; + } + x_f += (size == 1) ? fontsize / 2 : fontsize; + + } + + if (x_f >= l.w - fontsize) { + + break; + + } + + p += size; + + } + free(ansi); + int y2 = y_f + fontsize-2; + line(x_f + 2, y2, x_f + fontsize - 4, y2, clr); + } +} diff --git a/lci/src/lci/KeyboardEvent.cpp b/lci/src/lci/KeyboardEvent.cpp new file mode 100644 index 0000000..2489f5d --- /dev/null +++ b/lci/src/lci/KeyboardEvent.cpp @@ -0,0 +1,99 @@ +#include +#include +#include +#include +#include +#include +#include "lci/KeyboardEvent.h" +namespace qing { + /* FIXME: 划分代码块 */ + KeyboardEvent::KeyboardEvent() { + const char *path = "/dev/input"; + struct dirent *dir; + DIR *p = opendir(path); + if(p == NULL) throw std::runtime_error("opendir"); + while ((dir = readdir(p)) != NULL) { + if (!is_event_with_number(dir->d_name)) continue; + char full_name[257] = {'\0'}; + snprintf(full_name, sizeof(full_name), "%s/%s", path, dir->d_name); + struct stat buf; + if (stat(full_name, &buf) == -1) { + throw std::runtime_error("stat"); + } + + if(S_ISDIR(buf.st_mode)) continue; + + else if (pool.find(std::string(full_name)) == pool.end()){ + int d = open(full_name, O_RDONLY); + if (d == -1) { + ; + } else { + set_noblocking(d); + pool.insert(std::make_pair(std::string(full_name), d)); + } + } + } + closedir(p); + } + KeyboardEvent::~KeyboardEvent() { + std::map::iterator it; + for (it = pool.begin(); it != pool.end(); ++it) { + close(it->second); + } + } + + /* FIXME: 传入堵塞时间 */ + struct input_event KeyboardEvent::get() { + fd_set set; + FD_ZERO(&set); + for (auto it = pool.begin(); it != pool.end(); ++it) { + FD_SET(it->second, &set); + } + struct timeval timeout; + timeout.tv_sec = 0; + timeout.tv_usec = 60000; + if (select(this->maxd()+1, &set, NULL, NULL, &timeout) == -1) { + throw std::runtime_error("select"); + } + + for (auto it = pool.begin(); it != pool.end(); ++it) { + if (it->second != -1 && FD_ISSET(it->second, &set)) { + struct input_event ev; + if (read(it->second, &ev, sizeof(ev)) == sizeof(ev)) { + return ev; + } + } + } + throw NoEvent(""); + } + bool KeyboardEvent::is_event_with_number(const char *filename) { + size_t len = strlen(filename); + if (len <= 5) return false; + + if (strncmp(filename, "event", 5) != 0) + return false; + + for (size_t i=5; isecond; + std::map::iterator it; + for (it = pool.begin(); it != pool.end(); ++it) + if (it->second > maxValue) + maxValue = it->second; + return maxValue; + } +} diff --git a/lci/src/lci/ansi.cpp b/lci/src/lci/ansi.cpp new file mode 100644 index 0000000..35ca0b0 --- /dev/null +++ b/lci/src/lci/ansi.cpp @@ -0,0 +1,22 @@ +#include "lci/ansi.h" +namespace qing{ + /* 这个函数并不完全 + int ansi::size_gb18030(unsigned char *p, size_t maxLen) { + if (*p < 0x80) { + return 1; + } else if ((*p > 0x81 && *p <= 0xFE) && + ((*(p+1) >= 0x40 && *(p+1) <= 0x7E) || (*(p+1) >= 0x80 && *(p+1) <= 0xFE))) { + return 2; + } else if (maxLen >= 4 && (*p == 0x90 || *p == 0x91 || *p == 0xE8 || *p == 0xE9 || + (*p >= 0x8E && *p <= 0xEF) || (*p >= 0xF8 && *p <= 0xFB)) && + (*(p+1) & 0xC0) == 0x80 && (*(p+2) & 0xC0) == 0x80 && (*(p+3) & 0xC0) == 0x80) { + return 4; //注意这里是简化判断 + } else { + throw ansi::WrongLength(); + } + } + */ + int ansi::size_gb2312(unsigned char first_byte) { + return (first_byte >= 0xA1 && first_byte <= 0xFE) ? 2 : 1; + } +} diff --git a/lci/src/lci/fsm.cpp b/lci/src/lci/fsm.cpp new file mode 100644 index 0000000..0669972 --- /dev/null +++ b/lci/src/lci/fsm.cpp @@ -0,0 +1,45 @@ + +#include"lci/fsm.h" +namespace qing{ +namespace lci{ + Fsm::Fsm(){ + this->stat = SSTOP; + } + + //------------------------------------------------------ + enum Stat Fsm::chk() { + std::unique_lock lck(this->lock); + return this->stat; + }//check + + void Fsm::suspend(){ + std::unique_lock lck(this->lock); + cv.wait(lck); + }//suspend + + //------------------------------------------------------- + void Fsm::wake() { + std::unique_lock lck(this->lock); + this->stat = SSTART; + cv.notify_one(); + }//wake + + void Fsm::stop() { + std::unique_lock lck(this->lock); + this->stat = SSTOP; + cv.notify_one(); + }//stop + + void Fsm::shut() { + std::unique_lock lck(this->lock); + this->stat = SSHUT; + cv.notify_one(); + }//close + + void Fsm::run() { + std::unique_lock lck(this->lock); + this->stat = SRUNNING; + cv.notify_one(); + }//run +}//lci +}//qing diff --git a/lci/src/lci/ku500.cpp b/lci/src/lci/ku500.cpp new file mode 100644 index 0000000..a8ef913 --- /dev/null +++ b/lci/src/lci/ku500.cpp @@ -0,0 +1,20697 @@ +unsigned char ttu[]={1,1,61,38,60,162,60,40,66,40,66,162,61,162,60,192,60,218,66,218, +66,192,61,193,62,16,21,76,102,18,61,77,10,94,119,94,10,164,119,164, +42,44,29,218,98,44,85,219,90,90,96,76,96,64,86,52,74,48,60,48, +46,52,30,70,30,86,36,100,42,108,54,118,72,130,92,150,98,160,100,180, +94,200,76,212,56,214,40,210,28,196,28,182,33,166,64,26,65,243,20,50, +14,62,12,66,10,72,8,86,8,98,12,116,16,122,24,130,36,130,46,122, +50,108,50,80,48,60,40,50,30,46,21,50,82,138,76,148,74,160,74,174, +74,186,78,202,84,210,94,214,104,212,112,202,116,186,116,158,110,138,100,130, +90,130,83,138,98,44,27,217,122,190,118,204,114,208,104,212,94,210,82,202, +64,176,44,142,32,108,28,82,30,62,40,50,50,46,62,48,70,58,72,72, +68,92,62,104,52,114,40,122,26,128,16,144,10,166,12,186,20,200,32,210, +44,214,58,210,70,200,82,180,88,164,92,144,93,122,74,122,113,123,16,76, +26,70,34,62,40,50,42,32,38,24,34,22,28,22,26,24,26,30,32,34, 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+#include +#include +#include +#include +#include "lci/utf8.h" +namespace qing { + int utf8::size(const unsigned char c) { + if ((c >> 7) == 0){ + // 0xxxxxxx + return 1; + } else if ((c >> 5) == 0b110) { + // 110xxxxx 10xxxxxx + return 2; + } else if ((c >> 4) == 0b1110) { + // 1110xxxx 10xxxxxx 10xxxxxx + return 3; + } else if ((c >> 3) == 0b11110) { + // 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx + return 4; + } else { + return 0; + } + } + char *utf8::to_ansi(char *utf8String) { + //@20231120:楠舍科技刘仁 + //@20240528,qing:输出字符串的长度不确定 + iconv_t ic; + ic = iconv_open("GB18030", "UTF-8"); + if (ic == (iconv_t)-1){ + perror("iconv_open"); + return NULL; + } + //设置输出字符串的大小为2倍输入 + size_t InputLength = strlen(utf8String); + size_t OutputLength = InputLength * 2; + + char *ansiString = (char*)malloc(OutputLength); + if (ansiString == NULL) { + perror("malloc"); + iconv_close(ic); + return NULL; + } + + char *InputBuffer = (char*)utf8String; + char *OutputBuffer = ansiString; + + size_t result = iconv(ic, &InputBuffer, &InputLength, &OutputBuffer, &OutputLength); + if (result == (size_t)-1) { + perror("iconv"); + free(ansiString); + iconv_close(ic); + return NULL; + } + + iconv_close(ic); + + *OutputBuffer = '\0'; + return ansiString; + } +} diff --git a/lci/src/nn/ILayer.cpp b/lci/src/nn/ILayer.cpp new file mode 100644 index 0000000..72c0e76 --- /dev/null +++ b/lci/src/nn/ILayer.cpp @@ -0,0 +1,85 @@ +#include "nn/ILayer.hpp" +#include + +/* 获取函数对象 - 获取激活函数 */ +f_t ILayer::getf(ActivationFunc type) { + switch (type) { + case ActivationFunc::ReLU: + return relu; + case ActivationFunc::Leaky_ReLU: + return leaky_relu; + case ActivationFunc::Sigmoid: + return sigmoid; + case ActivationFunc::Tanh: + return tanh; + default: + throw std::invalid_argument("ActivationFunc function does not support."); + } +} + +/* 获取函数对象 - 求激活函数导数 */ +f_t ILayer::getfdot(ActivationFunc type) { + switch (type) { + case ActivationFunc::ReLU: + return relu_derivative; + case ActivationFunc::Leaky_ReLU: + return leaky_relu_derivative; + case ActivationFunc::Sigmoid: + return sigmoid_derivative; + case ActivationFunc::Tanh: + return tanh_derivative; + default: + throw std::invalid_argument("ActivationFunc Derivative does not support."); + } +} + const char* ILayer::get_f_type(ActivationFunc& af) { + switch (af) { + case ActivationFunc::Sigmoid: + return "Sigmoid"; + case ActivationFunc::ReLU: + return "ReLU"; + case ActivationFunc::Leaky_ReLU: + return "Leaky_ReLU"; + } + throw std::runtime_error("What activation function"); + } + + ILayer::ActivationFunc ILayer::parse_ff_type(const std::string& name) { + if(name == "Sigmoid") { + return ActivationFunc::Sigmoid; + } else if (name == "ReLU") { + return ActivationFunc::ReLU; + } else if (name == "Leaky_ReLU") { + return ActivationFunc::Leaky_ReLU; + } else { + throw std::runtime_error("What activation function"); + } + } + +/* ReLU 激活函数 */ +float ILayer::relu(float x) { return (x > 0.0) ? x : 0.0; } + +/* ReLU 导数 */ +float ILayer::relu_derivative(float x) { return (x > 0) ? 1: 0; } + +/* + * leaky ReLU 激活函数 + * + * NOTE: alpha太小或者选择使用ReLU函数的情况下，会导致梯度消失 + * NOTE: Leaky ReLU 不会使梯度完全消失，但也会使它变得很小 + */ +float ILayer::leaky_relu(float x) { return (x > 0) ? x : LEAKY_RELU_ALPHA * x; } +/* leaky ReLU 导数 */ +float ILayer::leaky_relu_derivative(float x) { return (x > 0) ? 1.0f : LEAKY_RELU_ALPHA; } +/* Sigmoid 激活函数 */ +float ILayer::sigmoid(float x) { return 1.0 / (1.0 + std::exp(-x)); } +/* Sigmoid 导数 */ +float ILayer::sigmoid_derivative(float x) +{ + double s = sigmoid(x); + return s * (1.0 - s); +} +/* Tanh 激活函数 */ +float ILayer::tanh(float x) { return std::tanh(x); } +/* Tanh 导数 */ +float ILayer::tanh_derivative(float x) { return 1.0f - x * x; } diff --git a/lci/src/nn/Matrix.cpp b/lci/src/nn/Matrix.cpp new file mode 100644 index 0000000..8f03563 --- /dev/null +++ b/lci/src/nn/Matrix.cpp @@ -0,0 +1,144 @@ +#include "nn/Matrix.hh" +namespace qing { + + template + Matrx::Matrx(): row(0), col(0) {} + + template + Matrx::Matrx(const long row, const long col) + : row(row), col(col) { /* 该构造函数用于从头开始构造 */ + arr = std::vector(col * row); + } + + template + Matrx::Matrx(const long row, const long col, const std::vector& src) + : row(row), col(col) { /* 该构造函数用于通过已有的vector进行构造 */ + arr = src; + } + + template + const T& Matrx::get(long row, long col) const { /* 访问器 - 访问矩阵元素 */ + return arr[col * this->row + row]; + } + + template + T& Matrx::witch(long row, long col) { /* 访问器 - 访问矩阵元素 */ + return arr[col * this->row + row]; + } + + template + const std::vector& Matrx::get_data() const{ /* 访问器 - 用于获取原始数据 */ + return arr; + } + + template + const long Matrx::get_col() const { /* 获取列数 */ + return col; + } + + template + const long Matrx::get_row() const { /* 获取行数 */ + return row; + } + + template + bool Matrx::has_same_shape(const Matrx& other) { /* 两个矩阵是否具有相同形状 */ + return other.get_col() == this->get_col() || other.get_row() == this->get_row(); + } + + template + bool Matrx::has_dot_shape(const Matrx& other) { /* 具有矩阵乘法的形状 */ + return this->get_col() == other.get_row(); + } + + template + void Matrx::assert_same_shape(const Matrx& other) { /* 断言两个矩阵具有相同形状 */ + if (!has_same_shape(other)) + throw std::invalid_argument("The shapes of matrix are not same."); + } + + template + void Matrx::assert_dot_shape(const Matrx& other) { /* 断言两个矩阵具有点积前置形状 */ + if (!has_dot_shape(other)) { + throw std::invalid_argument("The shapes of matrix can not be dot."); + } + } + + template + Matrx Matrx::operator+(const Matrx& other) { /* 加法操作符重定义 - 矩阵加法 */ + assert_same_shape(other); /* 检查两个矩阵形状是否一致 */ + std::vector v0 = this->get_data(); + std::vector vec = other.get_data(); + for (auto it = v0.begin(), it_or = vec.begin(); it != v0.end(); ++it, ++it_or ) { + *it += *it_or; + } + return Matrx{this->get_row(), this->get_col(), v0}; + } + + template + Matrx Matrx::operator+(T& item) { /* 矩阵加法广播 */ + auto matrix = *this; + for (auto it = arr.begin(); it != arr.end(); ++it) { + *it += item; + } + return matrix; + } + + template + Matrx Matrx::operator-(const Matrx& other) { /* 操作符重载 - 矩阵减法 */ + assert_same_shape(other); /* 检查两个矩阵形状是否一致 */ + std::vector v0 = this->get_data(); + std::vector vec = other.get_data(); + for (auto it = v0.begin(), it_or = vec.begin(); it != v0.end(); ++it, ++it_or ) { + *it -= *it_or; + } + return Matrx{this->get_row(), this->get_col(), v0}; + } + + template + Matrx Matrx::operator-(T& item) { /* 操作符重载 - 矩阵减法广播 */ + auto matrix = *this; + for (auto it = arr.begin(); it != arr.end(); ++it) { + *it -= item; + } + return matrix; + } + + template + const Matrx Matrx::operator*(const Matrx& other) { /* 操作符重载 - 矩阵乘法 */ + assert_dot_shape(other); /* 它们的形状是否能够点积 */ + auto matrix = Matrx(this->get_row(), other.get_col()); + for (long i=0; iget_row(); ++i) {/* 点积运算 */ + for (long j=0; jget_col(); ++k) { + sum += this->get(i, k) * other.get(k, j); + } + matrix.witch(i, j) = sum; + } + } + return matrix; + } + + template + Matrx Matrx::operator*(T& item) { /* 操作符重载 - 矩阵乘法广播 */ + std::vector vec = this->get_data(); + for (auto it = vec.begin(); it != vec.end(); ++it) { + *it *= item; + } + return Matrx{this->get_row(), this->get_col(), vec}; + } + + template + Matrx Matrx::operator/(T& item) { /* 操作符重载 - 矩阵除法广播 */ + std::vector vec = this->get_data(); + for (auto it = vec.begin(); it != vec.end(); ++it) { + *it /= item; + } + return Matrx(this->get_row(), this->get_col(), vec); + } + + template class Matrx; /* 显式实例化 */ + template class Matrx; + +} diff --git a/lci/src/nn/MatrixCuda.cu b/lci/src/nn/MatrixCuda.cu new file mode 100644 index 0000000..30f1b4b --- /dev/null +++ b/lci/src/nn/MatrixCuda.cu @@ -0,0 +1,396 @@ +/* + * MatrixCuda.cu - MatrixCuda类的CUDA实现文件 + * + * 这个文件包含MatrixCuda类的具体实现和CUDA内核的显式实例化 + * 注意：这个文件需要使用nvcc编译器编译 + */ + +#include "nn/MatrixCuda.cuh" +#include "nn/Matrix.hh" // 用于与现有Matrx类交互 + +namespace qing { + +// ============================================================================ +// 显式实例化CUDA内核函数 +// ============================================================================ + +namespace cuda_kernels { + +// float类型内核显式实例化 +template __global__ void matrix_add_kernel( + const float* A, const float* B, float* C, + long rows, long cols, long total_elements); + +template __global__ void matrix_sub_kernel( + const float* A, const float* B, float* C, + long rows, long cols, long total_elements); + +template __global__ void matrix_scalar_mul_kernel( + const float* A, float scalar, float* C, long total_elements); + +template __global__ void matrix_scalar_add_kernel( + const float* A, float scalar, float* C, long total_elements); + +template __global__ void matrix_transpose_kernel( + const float* A, float* C, long rows, long cols); + +template __global__ void matrix_hadamard_kernel( + const float* A, const float* B, float* C, long total_elements); + +template __global__ void matrix_copy_kernel( + const float* src, float* dst, long total_elements); + +// double类型内核显式实例化 +template __global__ void matrix_add_kernel( + const double* A, const double* B, double* C, + long rows, long cols, long total_elements); + +template __global__ void matrix_sub_kernel( + const double* A, const double* B, double* C, + long rows, long cols, long total_elements); + +template __global__ void matrix_scalar_mul_kernel( + const double* A, double scalar, double* C, long total_elements); + +template __global__ void matrix_scalar_add_kernel( + const double* A, double scalar, double* C, long total_elements); + +template __global__ void matrix_transpose_kernel( + const double* A, double* C, long rows, long cols); + +template __global__ void matrix_hadamard_kernel( + const double* A, const double* B, double* C, long total_elements); + +template __global__ void matrix_copy_kernel( + const double* src, double* dst, long total_elements); + +} // namespace cuda_kernels + +// ============================================================================ +// MatrixCuda类与现有Matrx类的交互实现 +// ============================================================================ + +// 从Matrx转换到MatrixCuda +template <> +CUDA_HOST MatrixCuda MatrixCuda::from_matrx(const Matrx& mat) { + long rows = mat.get_row(); + long cols = mat.get_col(); + const std::vector& data = mat.get_data(); + + return MatrixCuda(rows, cols, data); +} + +// 从MatrixCuda转换到Matrx +template <> +CUDA_HOST Matrx MatrixCuda::to_matrx() const { + sync_device_to_host(); + return Matrx(rows_, cols_, host_data_); +} + +// 从Matrx转换到MatrixCuda +template <> +CUDA_HOST MatrixCuda MatrixCuda::from_matrx(const Matrx& mat) { + long rows = mat.get_row(); + long cols = mat.get_col(); + const std::vector& data = mat.get_data(); + + return MatrixCuda(rows, cols, data); +} + +// 从MatrixCuda转换到Matrx +template <> +CUDA_HOST Matrx MatrixCuda::to_matrx() const { + sync_device_to_host(); + return Matrx(rows_, cols_, host_data_); +} + +// ============================================================================ +// 优化的矩阵乘法实现（使用共享内存） +// ============================================================================ + +/** + * @brief 使用共享内存优化的矩阵乘法内核 + * + * 这个内核使用平铺（tiling）技术来提高矩阵乘法的性能 + * 每个线程块计算输出矩阵的一个子块 + */ +template +__global__ void matrix_mul_optimized_kernel( + const T* A, const T* B, T* C, + long A_rows, long A_cols, long B_cols, + long tile_size) { + + // 共享内存声明 + extern __shared__ T shared_mem[]; + T* tile_A = shared_mem; + T* tile_B = &shared_mem[tile_size * tile_size]; + + // 线程块索引 + long block_row = blockIdx.y; + long block_col = blockIdx.x; + + // 线程索引 + long thread_row = threadIdx.y; + long thread_col = threadIdx.x; + + // 输出矩阵中的位置 + long row = block_row * tile_size + thread_row; + long col = block_col * tile_size + thread_col; + + T sum = T(0); + + // 遍历所有平铺 + for (long tile_idx = 0; tile_idx < (A_cols + tile_size - 1) / tile_size; ++tile_idx) { + // 从全局内存加载到共享内存 + long A_col = tile_idx * tile_size + thread_col; + long B_row = tile_idx * tile_size + thread_row; + + if (row < A_rows && A_col < A_cols) { + tile_A[thread_row * tile_size + thread_col] = A[row * A_cols + A_col]; + } else { + tile_A[thread_row * tile_size + thread_col] = T(0); + } + + if (B_row < A_cols && col < B_cols) { + tile_B[thread_row * tile_size + thread_col] = B[B_row * B_cols + col]; + } else { + tile_B[thread_row * tile_size + thread_col] = T(0); + } + + __syncthreads(); + + // 计算平铺内的点积 + for (long k = 0; k < tile_size; ++k) { + sum += tile_A[thread_row * tile_size + k] * tile_B[k * tile_size + thread_col]; + } + + __syncthreads(); + } + + // 将结果写回全局内存 + if (row < A_rows && col < B_cols) { + C[row * B_cols + col] = sum; + } +} + +// ============================================================================ +// 优化的矩阵乘法方法 +// ============================================================================ + +/** + * @brief 使用优化CUDA内核的矩阵乘法 + * + * 这个方法使用共享内存和平铺技术来加速矩阵乘法 + * 对于大矩阵，性能比朴素算法有显著提升 + */ +template +CUDA_HOST MatrixCuda MatrixCuda::matmul_optimized(const MatrixCuda& other) const { + assert_dot_shape(other); + + MatrixCuda result(rows_, other.cols_); + + // 确保数据在设备上 + sync_host_to_device(); + other.sync_host_to_device(); + result.allocate_device_memory(); + + // 设置平铺大小（典型值为16或32） + const long tile_size = 16; + + // 计算线程块和网格大小 + dim3 block_size(tile_size, tile_size); + dim3 grid_size((other.cols_ + tile_size - 1) / tile_size, + (rows_ + tile_size - 1) / tile_size); + + // 计算共享内存大小 + size_t shared_mem_size = 2 * tile_size * tile_size * sizeof(T); + + // 启动优化内核 + matrix_mul_optimized_kernel<<>>( + device_data_, other.device_data_, result.device_data_, + rows_, cols_, other.cols_, tile_size + ); + + CHECK_CUDA_ERROR(cudaGetLastError()); + CHECK_CUDA_ERROR(cudaDeviceSynchronize()); + + result.device_modified_ = true; + result.sync_device_to_host(); + + return result; +} + +// 显式实例化优化矩阵乘法 +template MatrixCuda MatrixCuda::matmul_optimized(const MatrixCuda& other) const; +template MatrixCuda MatrixCuda::matmul_optimized(const MatrixCuda& other) const; + +// ============================================================================ +// 使用cuBLAS的矩阵乘法（如果可用） +// ============================================================================ + +#ifdef HAVE_CUBLAS +#include + +template +CUDA_HOST MatrixCuda MatrixCuda::matmul_cublas(const MatrixCuda& other) const { + assert_dot_shape(other); + + MatrixCuda result(rows_, other.cols_); + + // 确保数据在设备上 + sync_host_to_device(); + other.sync_host_to_device(); + result.allocate_device_memory(); + + // 创建cuBLAS句柄 + cublasHandle_t handle; + cublasCreate(&handle); + + // 设置cuBLAS参数 + T alpha = T(1); + T beta = T(0); + + if constexpr (std::is_same_v) { + cublasSgemm(handle, CUBLAS_OP_N, CUBLAS_OP_N, + other.cols_, rows_, cols_, + &alpha, + other.device_data_, other.cols_, + device_data_, cols_, + &beta, + result.device_data_, other.cols_); + } else if constexpr (std::is_same_v) { + cublasDgemm(handle, CUBLAS_OP_N, CUBLAS_OP_N, + other.cols_, rows_, cols_, + &alpha, + other.device_data_, other.cols_, + device_data_, cols_, + &beta, + result.device_data_, other.cols_); + } + + // 销毁cuBLAS句柄 + cublasDestroy(handle); + + CHECK_CUDA_ERROR(cudaGetLastError()); + CHECK_CUDA_ERROR(cudaDeviceSynchronize()); + + result.device_modified_ = true; + result.sync_device_to_host(); + + return result; +} + +// 显式实例化cuBLAS矩阵乘法 +template MatrixCuda MatrixCuda::matmul_cublas(const MatrixCuda& other) const; +template MatrixCuda MatrixCuda::matmul_cublas(const MatrixCuda& other) const; + +#endif // HAVE_CUBLAS + +// ============================================================================ +// 测试函数 +// ============================================================================ + +/** + * @brief 测试MatrixCuda类的功能 + * + * 这个函数用于验证MatrixCuda类的正确性 + * 可以单独编译和运行进行测试 + */ +template +CUDA_HOST void test_matrix_cuda() { + std::cout << "Testing MatrixCuda<" << typeid(T).name() << ">..." << std::endl; + + try { + // 测试1：创建矩阵 + std::cout << "Test 1: Creating matrices..." << std::endl; + MatrixCuda A = MatrixCuda::zeros(3, 3); + MatrixCuda B = MatrixCuda::ones(3, 3); + MatrixCuda C = MatrixCuda::identity(3); + + A.print("A (zeros)"); + B.print("B (ones)"); + C.print("C (identity)"); + + // 测试2：矩阵加法 + std::cout << "\nTest 2: Matrix addition..." << std::endl; + MatrixCuda D = A + B; + D.print("D = A + B"); + + // 测试3：标量运算 + std::cout << "\nTest 3: Scalar operations..." << std::endl; + MatrixCuda E = B * T(2.5); + E.print("E = B * 2.5"); + + // 测试4：矩阵转置 + std::cout << "\nTest 4: Matrix transpose..." << std::endl; + MatrixCuda F(2, 3); + F.fill(T(1)); + F.print("F (2x3)"); + MatrixCuda FT = F.transpose(); + FT.print("F^T (3x2)"); + + // 测试5：元素对应乘积 + std::cout << "\nTest 5: Hadamard product..." << std::endl; + MatrixCuda G = MatrixCuda::random(2, 2, T(0), T(1)); + MatrixCuda H = MatrixCuda::random(2, 2, T(0), T(1)); + G.print("G"); + H.print("H"); + MatrixCuda I = G.hadamard_product(H); + I.print("G ⊙ H"); + + // 测试6：矩阵乘法 + std::cout << "\nTest 6: Matrix multiplication..." << std::endl; + MatrixCuda J(2, 3); + MatrixCuda K(3, 2); + J.fill(T(1)); + K.fill(T(2)); + J.print("J (2x3)"); + K.print("K (3x2)"); + MatrixCuda L = J * K; + L.print("J * K (2x2)"); + + std::cout << "All tests passed!" << std::endl; + + } catch (const std::exception& e) { + std::cerr << "Test failed: " << e.what() << std::endl; + } +} + +// 显式实例化测试函数 +template void test_matrix_cuda(); +template void test_matrix_cuda(); + +} // namespace qing + +// ============================================================================ +// 主测试程序（可选） +// ============================================================================ + +#ifdef TEST_MATRIX_CUDA + +int main() { + std::cout << "=== MatrixCuda Test Program ===" << std::endl; + + // 初始化CUDA + cudaError_t err = cudaSetDevice(0); + if (err != cudaSuccess) { + std::cerr << "Failed to set CUDA device: " << cudaGetErrorString(err) << std::endl; + return 1; + } + + // 测试float版本 + qing::test_matrix_cuda(); + + std::cout << "\n"; + + // 测试double版本 + qing::test_matrix_cuda(); + + // 重置CUDA设备 + cudaDeviceReset(); + + std::cout << "\n=== Test Program Finished ===" << std::endl; + return 0; +} + +#endif // TEST_MATRIX_CUDA \ No newline at end of file diff --git a/lci/src/nn/NNBuilder.cpp b/lci/src/nn/NNBuilder.cpp new file mode 100644 index 0000000..eb02849 --- /dev/null +++ b/lci/src/nn/NNBuilder.cpp @@ -0,0 +1,48 @@ +#include "nn/NNBuilder.hpp" +namespace qing { + + void NNBuilder::add(NeuralNetwork &layer) { nn.push_back(layer); } + + std::vector> NNBuilder::get_shape() const { + std::vector> shape; + for (long j = 0; j < nn.size(); ++j) { + shape.emplace_back(nn[j].get_inputno(), nn[j].get_outputno()); + } + return shape; + } + + void NNBuilder::print_shape() const { + auto shape = get_shape(); + for (const auto& p : shape) { + std::cout << p.first << " -> " << p.second << std::endl; + } + } + + /* 前向反馈 */ + std::vector NNBuilder::forward(std::vector& r) { + auto x = r; + for (long j=0; j< nn.size(); ++j) { + x = nn[j].forward(x); + } + return x; + } + + /* 反向传播 */ + std::vector NNBuilder::backward(std::vector& errs, float discount) { + auto e = errs; + for (long j=nn.size()-1; j>=0;--j) { + e = nn[j].backward(e); + nn[j].update(discount); + } + return e; + } + + /* 计算误差 */ + std::vector NNBuilder::cal_err(std::vector& r, std::vector& t) { + auto res = r; + for (long j=0; j &weights, + const std::vector &bias, + const float learning_rate, + const ActivationFunc func_type +): inputno(inputno), outputno(outputno), + weights(inputno, outputno, weights), bias( 1, outputno, bias), + learning_rate(learning_rate), + f_type(func_type) { + ;/* 进行形状检查 */ +} + +/* 获取输入层大小 */ +long NeuralNetwork::get_inputno() const { + return this->inputno; +} + +/* 获取输出层大小 */ +long NeuralNetwork::get_outputno() const { + return this->outputno; +} + +/* 获取权重 */ +Matrx& NeuralNetwork::get_weights() { + return this->weights; +} + +/* 获取偏置 */ +Matrx& NeuralNetwork::get_bias() { + return this->bias; +} + +/* 正态分布Xavier初始化 */ +void NeuralNetwork::xavierNormalInit(std::vector &weights, long fan_in, long fan_out) +{ + + /* 高质量的随机数生成器 */ + static std::mt19937 generator(std::random_device{}()); + + /* 计算标准差 */ + float sigma = std::sqrt(2.0f / (fan_in + fan_out)); + + /* 创建正态分布对象，均值为0，标准差为sigma */ + std::normal_distribution distribution(0.0f, sigma); + + /* 遍历权重矩阵，进行赋值 */ + long k=0; + for (long i=0; i &weights, int fan_in, int fan_out) +{ + /* 使用高质量的随机数生成器 */ + static std::mt19937 generator(std::random_device{}()); + + /* 计算区间范围：sqrt(2 / (fan_in + fan_out)) */ + float scale = std::sqrt(2.0f / (fan_in + fan_out)); + + /* 创建均匀分布对象，范围为[-scale, scale] */ + std::uniform_real_distribution distribution(-scale, scale); + + /* 遍历权重矩阵，进行赋值 */ + long k=0; + for (long i=0; i weights(inputno * outputno); + xavierUniformInit(weights, inputno, outputno); + std::vector bias(outputno); + NeuralNetwork layer(inputno, outputno, weights, bias, learning_rate, func_type); + return layer; /* FIXME: 使用移动语义 */ +} + + +/* 前向反馈 */ +std::vector NeuralNetwork::forward(const std::vector& x) + +{ + + + /* + * 矩阵乘法（点积） + * wi => weights inputs(column) + * wo => weights outputs(row) + * + * NOTE: 通常矩阵乘法是三层循环，这里我们用两层 + */ + //std::vector res(this->outputno); /* (1, outputs) */ + //for (long i=0; ioutputno; ++i) { + // long wo = i; + // float sum=0.0; + // for (long j=0, wi=wo; jinputno; ++j, wi+=this->outputno) { + // sum += x[j] * this->weights[wi]; + // } + // res[i]= sum; + //} + Matrxmx{1, this->inputno, x}; + + + /* + * 为输入进行备份 + * + * FIXME: 使用移动语义传入参数，并且储存 + */ + this->prev_inputs = mx; /* (1, inputs) */ + + + Matrxr = mx * this->weights; /* (1, outputs) */ + + /* 偏置操作 */ + //for (long i=0; ioutputno; ++i) { + // res[i]+=this->bias[i]; + //} + r = r + this->bias; + + /* + * 为原始计算结果进行备份 + */ + this->prev_raw_inputs = r; + + /* + * 使用ReLU激活函数 + * + * FIXME: 建立一个算法类 + */ + f_t f = getf(f_type); + + std::vector vec =r.get_data(); + for (long i=0; ioutputno; ++i) { + float& v = vec[i]; + v = f(v); + } + + r = Matrx(1, outputno, vec); + + /* + * 为输出进行备份 + */ + this->prev_outputs = r; + + + /* 返回前向反馈的结果。 (1, outputs) */ + return r.get_data(); +} + + +/* 反向传播 */ +std::vector NeuralNetwork::backward(const std::vector& errors) /* errors => (outputs, 1) */ + +{ + + /* 匹配激活导数 */ + f_t fdot = getfdot(f_type); + + std::vector vec = this->prev_raw_inputs.get_data(); + /* 将原始输出转化为导数 */ + for (long i=0; ioutputno; ++i) { + float& v = vec[i]; + v = errors[i] * fdot(v); + } + + /* 误差乘以导数 */ + //std::vector first(this->outputno); + //for (long i=0; ioutputno; ++i) { + // first[i] = errors[i] * this->prev_raw_inputs[i]; + //} + Matrx first{1, this->outputno, vec}; + + /* 更新权重梯度 => (errors * 导数) @ this->inputs => (1, outputs ) @ (inputs, 1) = (outputs, inputs) */ + //this->weights_grad = std::vector(this->outputno * this->inputno); + //long k = 0; + //for (long i=0; iinputno; ++i) { + // for (long j=0; joutputno; ++j) { + // this->weights_grad[k++] = first[j] * this->prev_inputs[i]; + // } + //} + Matrx mx {this->inputno, 1, this->prev_inputs.get_data()}; /* (inputs, 1) */ + this->weights_grad = mx * first; /* (inputs, 1) @ (1, outputs) => (inputs, outputs) */ + + /* + * 更新偏置梯度 + * + * NOTE: 在多批次情况下，应该沿着每一样本纵向求平均数 + */ + //this->bias_grad = std::vector(this->outputno); + //for (long i=0; ioutputno; ++i) { + // this->bias_grad[i] = first[i]; + //} + this->bias_grad = first; + + + /* + * 计算上一层的误差责任分担，然后返回 + * + * this->weights @ first => (outputs, inputs) @ (1, outputs) = (inputs, 1) + */ + //std::vector uplevel_errors(this->inputno); + //for (long i=0; iinputno; ++i) { + // long wii = i * this->outputno; /* 每一列的起始点 */ + // float sum = 0.0f; + // for (long j=0, wi=wii; j < this->outputno; ++j, ++wi) { + // sum += this->weights[wi] * first[j]; + // } + // uplevel_errors[i] = sum; + //} + Matrx first1{this->outputno, 1, first.get_data()}; + Matrx uplevel_errs = this->weights * first1; /* (inputs, outputs) @ (outputs, 1) */ + return uplevel_errs.get_data(); + + /* 使用移动语义返回上一层误差 */ + //return std::move(uplevel_errors); +} + +void NeuralNetwork::update(float discount) { + this->weights = this->weights + (this->weights_grad * this->learning_rate * discount); + this->bias = this->bias + (this->bias_grad * this->learning_rate * discount); +} +}