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blackbird/bot4cj/src/math/Matrix.cj
T
2026-07-28 12:44:07 +08:00

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package bot4cj.math
import std.fs.*
import std.io.*
import std.convert.*
//foreign func createMatrix(row: UInt64, col: UInt64): CPointer<Unit>
//foreign func freeMatrix(M: CPointer<Unit>): Unit
//foreign func witchMatrix(M: CPointer<Unit>, row: UInt64, col: UInt64): CPointer<Float32>
//foreign func getMatrix(M: CPointer<Unit>, row: UInt64, col: UInt64): Float32
//foreign func setMatrix(M: CPointer<Unit>, row: UInt64, col: UInt64, v: Float32): Unit
//foreign func getrowMatrix(M: CPointer<Unit>): UInt64
//foreign func getcolMatrix(M: CPointer<Unit>): UInt64
//foreign func sameShapeMatrix(M: CPointer<Unit>, S: CPointer<Unit>): Bool
//foreign func dotShapeMatrix(M: CPointer<Unit>, S: CPointer<Unit>): Bool
//foreign func plusMatrix(M: CPointer<Unit>, S:CPointer<Unit>): CPointer<Unit>
//foreign func plusBroadcastMatrix(M: CPointer<Unit>, T: Float32): CPointer<Unit>
//foreign func subMatrix(M: CPointer<Unit>, S: CPointer<Unit>): CPointer<Unit>
//foreign func subBroadcastMatrix(M: CPointer<Unit>, T: Float32): CPointer<Unit>
//foreign func multiMatrix(M: CPointer<Unit>, S: CPointer<Unit>): CPointer<Unit>
//foreign func multiBroadcastMatrix(M: CPointer<Unit>, T: Float32): CPointer<Unit>
//foreign func divMatrix(M: CPointer<Unit>, S: CPointer<Unit>): CPointer<Unit>
//foreign func divBroadcastMatrix(M: CPointer<Unit>, T: Float32): CPointer<Unit>
//foreign func dotMatrix(M: CPointer<Unit>, S: CPointer<Unit>): CPointer<Unit>
//foreign func transposeMatrix(M: CPointer<Unit>): CPointer<Unit>
//foreign func xavierNormalInit(fan_in: UInt64, fan_out: UInt64): CPointer<Unit>
//foreign func xavierUniformInit(fan_in: UInt64, fan_out: UInt64): CPointer<Unit>
/* -------- 32位浮点数 -------- */
public struct FP32 {
private var val: Float32
public init(t: Float32) { /* 以Float32初始化对象 */
val = t }
public func getValue() { /* 获取值 */
return val }
/* -------- 运算符重载 -------- */
//public operator func =(t: Float32) { /*-------- this can not --------*/
// val = t }
public operator func +(t: Float32) {
return FP32(val + t)}
public operator func +(S: FP32) {
return this + S.getValue() }
public operator func -(t: Float32) {
return FP32(val - t) }
public operator func -(S: FP32) {
return this - S.getValue() }
public operator func *(t: Float32) {
return FP32(val * t) }
public operator func *(S: FP32) {
return this * S.getValue() }
public operator func /(t: Float32) {
return FP32(val / t) }
public operator func /(S: FP32) {
return this / S.getValue() }
}
/*
* 新版的矩阵对象,仓颉原生实现
* TODO(20260517-qing): 设计原生的多维数组类
*
___col___
/ \
+---------+ \
| + + + + | | row - 第一维度
| + + + + | |
+---------+ /
* TODO(20260523-qing): 以某种方式统一矩阵式的字符串矩阵和这里的数值矩阵
*/
public class Matrix1 {
private var row: Int64 /* ---- 行数 ---- */
private var col: Int64 /* ---- 列数 ---- */
private var arr: Array<FP32> /* ---- 数据 ---- */
/* -------- 构造器,默认值为0 -------- */
public Matrix1(row: Int64, col: Int64) {
this.row = row
this.col = col
this.arr = Array<FP32>(row * col, {_ => FP32(0.0f32)})
}
/* --------- 这几个方法是访问器 -------- */
/* ------------------------------------- */
/* -------- TODO(20260524-qing): 使用prop成员 -------- */
public func get(r: Int64, c: Int64) {
return arr.get(r * this.col + c)
}
public func set(r: Int64, c: Int64, v: FP32) {
arr[r * this.col + c] = v
}
public func get_row() { return row }
public func get_col() { return col }
/* -------- 这两个函数是比较器 -------- */
/* ------------------------------------ */
public func has_same_shape(other: Matrix1) {
let a = this.get_row() == other.get_row()
let b = this.get_col() == other.get_col()
return a && b
}
public func has_dot_shape(other: Matrix1) {
return this.get_col() == other.get_row()
}
/* -------- 这些是运算符重载 -------- */
/* ---------------------------------- */
public operator func +(a: FP32) { /* ---- 矩阵广播加法 ---- */
let r =get_row()
let c = get_col()
let M = Matrix1(r, c)
for (ir in 0..r) {
for (ic in 0..c) {
let v = this.get(ir, ic).getOrThrow()
M.set(ir, ic, v + a)
}
}
return M
}
public operator func +(S: Matrix1) { /* ---- 矩阵加法 ---- */
if (!has_same_shape(S)) {
throw IllegalArgumentException("Matrixes doesn't match")
}
let r =get_row()
let c = get_col()
let M = Matrix1(r, c)
for (ir in 0..r) {
for (ic in 0..c) {
let v = this.get(ir, ic).getOrThrow()
let vs = S.get(ir, ic).getOrThrow()
M.set(ir, ic, v + vs)
}
}
return M
}
public operator func -(a: FP32) { /* ---- 矩阵广播减法 ----*/
let r = get_row()
let c = get_col()
let M = Matrix1(r, c)
for (ir in 0..r) {
for (ic in 0..c){
let v = this.get(ir, ic).getOrThrow()
M.set(ir, ic, v - a)
}
}
return M
}
public operator func -(S: Matrix1) { /* ---- 矩阵减法 ---- */
if (!has_same_shape(S)) {
throw IllegalArgumentException("Matrixes doesn't match")
}
let r =get_row()
let c = get_col()
let M = Matrix1(r, c)
for (ir in 0..r) {
for (ic in 0..c) {
let v = this.get(ir, ic).getOrThrow()
let vs = S.get(ir, ic).getOrThrow()
M.set(ir, ic, v - vs)
}
}
return M
}
public operator func *(a: FP32) { /* ---- 矩阵广播乘法 ---- */
let r = get_row()
let c = get_col()
let M = Matrix1(r, c)
for (ir in 0..r) {
for (ic in 0..c){
let v = this.get(ir, ic).getOrThrow()
M.set(ir, ic, v * a)
}
}
return M
}
public operator func *(S: Matrix1) { /* ---- 逐元素相乘 ---- */
if (!has_same_shape(S)) {
throw IllegalArgumentException("Matrixes doesn't match")
}
let r =get_row()
let c = get_col()
let M = Matrix1(r, c)
for (ir in 0..r) {
for (ic in 0..c) {
let v = this.get(ir, ic).getOrThrow()
let vs = S.get(ir, ic).getOrThrow()
M.set(ir, ic, v * vs)
}
}
return M
}
public operator func /(a: FP32) { /* ---- 矩阵广播除法 ---- */
let r = get_row()
let c = get_col()
let M = Matrix1(r, c)
for (ir in 0..r) {
for (ic in 0..c){
let v = this.get(ir, ic).getOrThrow()
M.set(ir, ic, v / a)
}
}
return M
}
public operator func /(S: Matrix1) { /* ---- 逐元素除法 ---- */
if (!has_same_shape(S)) {
throw IllegalArgumentException("Matrixes doesn't match")
}
let r =get_row()
let c = get_col()
let M = Matrix1(r, c)
for (ir in 0..r) {
for (ic in 0..c) {
let v = this.get(ir, ic).getOrThrow()
let vs = S.get(ir, ic).getOrThrow()
M.set(ir, ic, v / vs)
}
}
return M
}
/* ------------------------------ */
/* -------- 矩阵点积乘法 -------- */
public func dot(S: Matrix1) {
if (!has_dot_shape(S)) {
throw IllegalArgumentException("Matrixes doesn't match")
}
let r =get_row()
let c = S.get_col()
let M = Matrix1(r, c)
for (ir in 0..get_row()) {
for (ic in 0..S.get_col()) {
var sum = FP32(0.0f32)
for (ik in 0..get_col()) {
let a = get(ir, ik).getOrThrow()
let b = S.get(ik, ic).getOrThrow()
sum += a * b
}
M.set(ir, ic, sum)
}
}
return M
}
/* -------- 克隆一个一模一样的矩阵 -------- */
public func clone() {
let r = get_row()
let c = get_col()
let N = Matrix1(r, c)
for (ir in 0..r) {
for (ic in 0..c) {
let v = get(ir, ic).getOrThrow()
N.set(ir, ic, v)
}
}
return N
}
/* -------- 矩阵转置,返回转置后的矩阵 -------- */
public func T() {
let r = get_row()
let c = get_col()
let N = Matrix1(c, r)
for (ir in 0..r) {
for (ic in 0..c) {
let v = get(ir, ic).getOrThrow()
N.set(ic, ir, v)
}
}
return N
}
}
/* -------- 旧版的矩阵类,依赖c++编译的共享动态库 --------
* TODO: 将矩阵元数据存储在仓颉部分(done at 202605xx ) */
//public class Matrix {
//
// /* -------- 主初始化器,初始化并获取资源 -------- */
// public init(row: UInt64, col: UInt64) {
// unsafe { M = createMatrix(row, col) }
// }
//
// /* -------- 初始化器,利用已经存在的元数据进行构建 -------- */
// public Matrix(m: CPointer<Unit>) { M = m }
//
// /* -------- Xavier正态分布初始化 -------- */
// public static func initWithXavierNormal(fan_in: UInt64, fan_out: UInt64) {
// unsafe {
// let m = xavierNormalInit(fan_in, fan_out);
// return Matrix(m)
// }
// }
//
// /* -------- Glorot均匀初始化 -------- */
// public static func initWithXavierUniform(fan_in: UInt64, fan_out: UInt64) {
// unsafe {
// let m = xavierUniformInit(fan_in, fan_out);
// return Matrix(m)
// }
// }
//
// /* ======== 在析构函数中释放资源 ======== */
// ~init() {
// unsafe { freeMatrix(M) }
// }
//
// /* -------- 取下标,由于不能返回值类型的引用被弃用 -------- */
// //public operator func [](r: UInt64, c: UInt64): CPointer<Float32> {
// // unsafe { return witchMatrix(M, r, c) }
// //}
//
// /* -------- 获得某个矩阵单元的值 -------- */
// public func get(r: UInt64, c: UInt64): Float32 {
// unsafe { return getMatrix(M, r, c) }
// }
//
// /* -------- 设置某个矩阵单元的值 --------*/
// public func set(r: UInt64, c: UInt64, v: Float32) {
// unsafe { setMatrix(M, r, c, v) }
// }
//
// /* ------- 两个矩阵形状是否相同 --------
// * FIXME: 这个函数所重载的运算符不贴切 */
// public operator func ==(s: Matrix): Bool {
// unsafe { return sameShapeMatrix(M, s.getData()) }
// }
//
// /* -------- 获得行数 -------- */
// public func getRow(): UInt64 {
// unsafe { return getrowMatrix(M) }
// }
//
// /* -------- 获取列数 --------*/
// public func getCol(): UInt64 {
// unsafe { return getcolMatrix(M) }
// }
//
// /* -------- 获取指向元数据的C风格指针 -------- */
// public func getData(): CPointer<Unit> { return M; }
//
// /* -------- 是否两个矩阵具有点积和的形状 -------- */
// public func hasDotShapeWith(s: Matrix): Bool {
// unsafe { return dotShapeMatrix(M, s.getData()) }
// }
//
// /* -------- 逐元素算数运算 -------- */
// /* -------------------------------- */
// public operator func +(s: Matrix): Matrix {
// unsafe {
// if (!sameShapeMatrix(M, s.getData())) {
// println('------------')
// print_shape()
// s.print_shape()
// println('------------')
// throw IllegalArgumentException("not same shape")
// }
// let r = plusMatrix(M, s.getData())
// return Matrix(r)
// }
// }
//
// public operator func +(t: Float32): Matrix {
// unsafe {
// let r = plusBroadcastMatrix(M, t)
// return Matrix(r);
// }
// }
//
// public operator func -(s: Matrix): Matrix {
// unsafe {
// if (!(this == s)) {
// println('------------')
// print_shape()
// s.print_shape()
// println('------------')
// throw IllegalArgumentException("not same shape")
// }
// let r = subMatrix(M, s.getData())
// return Matrix(r)
// }
// }
//
// public operator func -(t: Float32): Matrix {
// unsafe {
// let r = subBroadcastMatrix(M, t)
// return Matrix(r);
// }
// }
//
// public operator func *(s: Matrix): Matrix {
// unsafe {
// if (!(this == s)) {
// println('------------')
// print_shape()
// s.print_shape()
// println('------------')
// throw IllegalArgumentException("not same shape")
// }
// let r = multiMatrix(M, s.getData())
// return Matrix(r)
// }
// }
//
// public operator func *(t: Float32): Matrix {
// unsafe {
// let r = multiBroadcastMatrix(M, t)
// return Matrix(r)
// }
// }
//
// public operator func /(s: Matrix): Matrix {
// unsafe {
// if (!(this == s)) {
// println('------------')
// print_shape()
// s.print_shape()
// println('------------')
// throw IllegalArgumentException("not same shape")
// }
// let r = divMatrix(M, s.getData())
// return Matrix(r)
// }
// }
//
// public operator func /(t: Float32): Matrix {
// unsafe {
// let r = divBroadcastMatrix(M, t)
// return Matrix(r)
// }
// }
//
// /* -------------------------------- */
// /* -------------------------------- */
//
//
// /* -------- 矩阵点积和算法 -------- */
// public func dot (s: Matrix): Matrix {
// unsafe {
// if (!hasDotShapeWith(s)) {
// println('------------')
// print_shape()
// s.print_shape()
// println('------------')
// throw IllegalArgumentException("not dot shape")
// }
// let r = dotMatrix(M, s.getData())
// return Matrix(r)
// }
// }
//
// /* -------- 矩阵转置 -------- */
// public func T(): Matrix {
// unsafe {
// let r = transposeMatrix(M)
// return Matrix(r)
// }
// }
//
// /* -------- 打印矩阵 -------- */
// public func print(): Unit {
// unsafe {
// for (i in 0..getRow()) {
// for (j in 0..getCol()) {
// let a = this.get(i, j)
// print(a)
// print(" ")
// }
// }
// }
// println()
// }
//
// /* -------- 打印形状 -------- */
// public func print_shape() {
// println("${getRow()}, ${getCol()}")
// }
//
// /* -------- 保存矩阵 -------- */
// public func save(file: File) {
// unsafe {
// for (i in 0..getRow()) {
// for (j in 0..getCol()) {
// file.write(this.get(i, j).toString().toArray())
// if (j < getCol()-1) {
// file.write(" ".toArray()) }
// else { file.write("\n".toArray()) }
// }
// }
// }
// }
//
// /* -------- 静态方法,加载单独项 -------- */
// private static func loadItem(sr: StringReader<InputStream>) {
// let s = sr.readUntil({r => r==r' ' || r ==r'\n'})
// return Float32.parse(s.getOrThrow())
// }
//
// /* -------- 静态方法,加载矩阵 -------- */
// public static func load(sr: StringReader<InputStream>, row: UInt64, col: UInt64): Matrix {
// let m = Matrix(row, col)
// unsafe {
// for (i in 0..m.getRow()) {
// for (j in 0..m.getCol()) {
// let f = loadItem(sr)
// m.set(i, j, f)
// }
// }
// m
// }
// }
//
// /* -------- 矩阵的C风格指针 -------- */
// private var M: CPointer<Unit>
//}