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redesign matrix design

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This commit is contained in:
Youmu Liu
2025-12-23 18:13:05 +08:00
parent b32c1cb4eb
commit b60ce56f1c
12 changed files with 493 additions and 225 deletions
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StgSharp.Common/Mathematics/Linear/MatrixMetadata.cs
+127 -11
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@@ -46,7 +46,7 @@ namespace StgSharp.Mathematics.Numeric
}
[StructLayout(LayoutKind.Sequential)]
public unsafe struct MatrixKernelEnumeration
public unsafe struct MatrixKernelBoarder
{
public readonly delegate* unmanaged[Cdecl]
@@ -55,9 +55,9 @@ namespace StgSharp.Mathematics.Numeric
public readonly delegate* unmanaged[Cdecl]<int, int, MatrixKernelEnumerator*, bool> IsInBuffer;
[Obsolete("Do not use constructor, use static method instead", true)]
public MatrixKernelEnumeration() { }
public MatrixKernelBoarder() { }
public MatrixKernelEnumeration(
public MatrixKernelBoarder(
delegate* unmanaged[Cdecl]
<int, int, MatrixKernelEnumerator*, long> getOffset,
delegate* unmanaged[Cdecl]<int, int, MatrixKernelEnumerator*, bool> inBuffer)
@@ -66,24 +66,128 @@ namespace StgSharp.Mathematics.Numeric
IsInBuffer = inBuffer;
}
private static delegate* unmanaged[Cdecl]<int, int, MatrixKernelEnumerator*, bool> IsInBufferDenseSquarePtr { get; } = (delegate* unmanaged[Cdecl]<int, int, MatrixKernelEnumerator*, bool>)&IsInBufferDenseSquare;
private static delegate* unmanaged[Cdecl]<int, int, MatrixKernelEnumerator*, long> GetIndexOffsetDenseSquarePtr { get; } =
(delegate* unmanaged[Cdecl]<int, int, MatrixKernelEnumerator*, long>)&GetIndexOffsetDenseSquare;
public static MatrixKernelEnumeration Create(MatrixLayout layout)
private static delegate* unmanaged[Cdecl]<int, int, MatrixKernelEnumerator*, long> GetIndexOffsetUpperTrianglePtr { get; } =
(delegate* unmanaged[Cdecl]<int, int, MatrixKernelEnumerator*, long>)&GetIndexOffsetUpperTriangle;
private static delegate* unmanaged[Cdecl]<int, int, MatrixKernelEnumerator*, long> GetIndexOffsetLowerTrianglePtr { get; } =
(delegate* unmanaged[Cdecl]<int, int, MatrixKernelEnumerator*, long>)&GetIndexOffsetLowerTriangle;
private static delegate* unmanaged[Cdecl]<int, int, MatrixKernelEnumerator*, bool> IsInBufferDenseSquarePtr { get; } =
(delegate* unmanaged[Cdecl]<int, int, MatrixKernelEnumerator*, bool>)&IsInBufferDenseSquare;
private static delegate* unmanaged[Cdecl]<int, int, MatrixKernelEnumerator*, bool> IsInBufferUpperTrianglePtr { get; } =
(delegate* unmanaged[Cdecl]<int, int, MatrixKernelEnumerator*, bool>)&IsInBufferUpperTriangle;
private static delegate* unmanaged[Cdecl]<int, int, MatrixKernelEnumerator*, bool> IsInBufferLowerTrianglePtr { get; } =
(delegate* unmanaged[Cdecl]<int, int, MatrixKernelEnumerator*, bool>)&IsInBufferLowerTriangle;
public static MatrixKernelBoarder Create(MatrixLayout layout)
{
return layout switch
{
MatrixLayout.DenseSquare => new MatrixKernelEnumeration(null, IsInBufferDenseSquarePtr),
MatrixLayout.DenseSquare => new MatrixKernelBoarder(GetIndexOffsetDenseSquarePtr, IsInBufferDenseSquarePtr),
MatrixLayout.UpperTriangle => throw new NotImplementedException(),
MatrixLayout.UpperTriangle => new MatrixKernelBoarder(GetIndexOffsetUpperTrianglePtr, IsInBufferUpperTrianglePtr),
MatrixLayout.LowerTriangle => new MatrixKernelBoarder(GetIndexOffsetLowerTrianglePtr, IsInBufferLowerTrianglePtr),
_ => throw new ArgumentOutOfRangeException(nameof(layout)),
};
}
private static bool IsInBufferDenseSquare(
int col,
int row,
[UnmanagedCallersOnly(CallConvs =[ typeof(CallConvCdecl) ])]
private static long GetIndexOffsetDenseSquare(
int x_kernel,
int y_kernel,
MatrixKernelEnumerator* enumerator)
{
return true;
long x = x_kernel;
long y = y_kernel;
long rows = enumerator->KernelRowLength;
return x * rows + y;
}
[UnmanagedCallersOnly(CallConvs =[ typeof(CallConvCdecl) ])]
private static long GetIndexOffsetLowerTriangle(
int x_kernel,
int y_kernel,
MatrixKernelEnumerator* enumerator)
{
long order = GetTriangularOrder(enumerator);
long x = x_kernel;
long y = y_kernel;
long prefixColumns = x * order - (x * (x - 1L)) / 2L;
return prefixColumns + (y - x);
}
[UnmanagedCallersOnly(CallConvs =[ typeof(CallConvCdecl) ])]
private static long GetIndexOffsetUpperTriangle(
int x_kernel,
int y_kernel,
MatrixKernelEnumerator* enumerator)
{
long x = x_kernel;
long y = y_kernel;
long prefixColumns = (x * (x + 1L)) / 2L;
return prefixColumns + y;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private static long GetTriangularOrder(MatrixKernelEnumerator* enumerator)
{
return Math.Min(enumerator->KernelColumnLength, enumerator->KernelRowLength);
}
[UnmanagedCallersOnly(CallConvs =[ typeof(CallConvCdecl) ])]
private static bool IsInBufferDenseSquare(
int x_kernel,
int y_kernel,
MatrixKernelEnumerator* enumerator)
{
return IsWithinKernelDomain(enumerator, x_kernel, y_kernel);
}
[UnmanagedCallersOnly(CallConvs =[ typeof(CallConvCdecl) ])]
private static bool IsInBufferLowerTriangle(
int x_kernel,
int y_kernel,
MatrixKernelEnumerator* enumerator)
{
return IsWithinTriangularDomain(enumerator, x_kernel, y_kernel) && y_kernel >= x_kernel;
}
[UnmanagedCallersOnly(CallConvs =[ typeof(CallConvCdecl) ])]
private static bool IsInBufferUpperTriangle(
int x_kernel,
int y_kernel,
MatrixKernelEnumerator* enumerator)
{
return IsWithinTriangularDomain(enumerator, x_kernel, y_kernel) && y_kernel <= x_kernel;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private static bool IsWithinKernelDomain(
MatrixKernelEnumerator* enumerator,
int x_kernel,
int y_kernel)
{
return x_kernel >= 0 &&
y_kernel >= 0 &&
x_kernel < enumerator->KernelColumnLength &&
y_kernel < enumerator->KernelRowLength;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private static bool IsWithinTriangularDomain(
MatrixKernelEnumerator* enumerator,
int x_kernel,
int y_kernel)
{
long order = GetTriangularOrder(enumerator);
return x_kernel >= 0 && y_kernel >= 0 && x_kernel < order && y_kernel < order;
}
}
@@ -98,6 +202,18 @@ namespace StgSharp.Mathematics.Numeric
[FieldOffset(8)] public readonly int KernelColumnLength;
[FieldOffset(12)] public readonly int KernelRowLength;
public MatrixSize(
int elementColumnLength,
int elementRowLength,
int kernelColumnLength,
int kernelRowLength)
{
ElementColumnLength = elementColumnLength;
ElementRowLength = elementRowLength;
KernelColumnLength = kernelColumnLength;
KernelRowLength = kernelRowLength;
}
}
[StructLayout(LayoutKind.Explicit)]