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keep working on PLN facotrize

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This commit is contained in:
Youmu Liu
2025-12-24 18:09:16 +08:00
parent b60ce56f1c
commit 3b3a90a2af
12 changed files with 428 additions and 305 deletions
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StgSharp.Common/Mathematics/Linear/Matrix.cs
+37 -13
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@@ -41,11 +41,21 @@ namespace StgSharp.Mathematics.Numeric
private protected static readonly int t_count = 16 / sizeof(T);
private protected static readonly int t_size = sizeof(T);
private MatrixKernelBoarder _boarder;
private MatrixSize _size;
private MatrixStorage<T> _buffer;
private readonly MatrixKernelBoarder _boarder;
private readonly MatrixSize _size;
private readonly MatrixStorage<T> _buffer;
private protected Matrix() { }
private protected Matrix(
MatrixKernelBoarder boarder,
MatrixSize size,
MatrixStorage<T> buffer
)
{
_boarder = boarder;
_size = size;
_buffer = buffer;
}
public T this[int x, int y]
{
@@ -122,19 +132,33 @@ namespace StgSharp.Mathematics.Numeric
get => (MatrixKernel<T>*)_buffer.BufferPointer;
}
protected internal int KernelColumnLength { get; init; }
protected internal int KernelColumnLength => _size.KernelColumnLength;
protected internal int KernelRowLength { get; init; }
protected internal int KernelRowLength => _size.KernelRowLength;
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public unsafe ref MatrixKernel<T> GetMatrixKernel(int x, int y)
{
fixed (MatrixSize *msPtr = &_size)
{
MatrixKernelEnumerator* e = (MatrixKernelEnumerator*)msPtr;
return ref _boarder.IsInBuffer(x, y, e) ?
ref _buffer[_boarder.GetIndexOffset(x, y, e)] :
ref Unsafe.NullRef<MatrixKernel<T>>();
}
MatrixKernelEnumerator enumerator = new(_size.KernelColumnLength, _size.KernelRowLength,
x, y);
return ref _boarder.IsInBuffer(x, y, in enumerator) ?
ref _buffer[_boarder.GetIndexOffset(x, y, in enumerator)] :
ref Unsafe.NullRef<MatrixKernel<T>>();
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
internal unsafe ref T GetElementUnsafe(int x, int y)
{
// Caller guarantees: indices in range, layout is dense square.
int k_c = y >> 2;
int k_r = x >> 2;
int c = y & 3;
int r = x & 3;
MatrixKernelEnumerator enumerator = new(_size.KernelColumnLength, _size.KernelRowLength,
k_c, k_r);
ref MatrixKernel<T> kernel = ref _buffer[_boarder.GetIndexOffset(k_c, k_r, in enumerator)];
return ref kernel[c, r];
}
}