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stgsharp/StgSharp.Common/Mathematics/Linear/Matrix.HLSF.cs
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2025-09-24 20:38:15 +08:00

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//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="Matrix.HLSF.cs"
// Project: StgSharp
// AuthorGroup: Nitload Space
// Copyright (c) Nitload Space. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the “Software”), to deal in the Software without restriction,
// including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software,
// and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
//
// The above copyright notice and
// this permission notice shall be included in all copies
// or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED “AS IS”,
// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH
// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// -----------------------------------------------------------------------
// -----------------------------------------------------------------------
using StgSharp.HighPerformance;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Numerics;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;
using hlsfAllocator = global::StgSharp.HighPerformance.Memory.HybridLayerSegregatedFitAllocator;
using hlsfHandle = global::StgSharp.HighPerformance.Memory.HybridLayerSegregatedFitAllocationHandle;
namespace StgSharp.Mathematics
{
internal unsafe partial class HlsfMatrix<T> : Matrix<T> where T: unmanaged, INumber<T>
{
private readonly MatrixKernel<T>* k_buffer;
private readonly hlsfAllocator allocator;
private readonly hlsfHandle handle;
internal HlsfMatrix(int column, int row, hlsfAllocator allocator)
{
KernelColumnLength = (column + 3) / 4;
KernelRowLength = (row + 3) / t_count;
this.handle = allocator.Alloc((uint)(KernelColumnLength * KernelRowLength * sizeof(MatrixKernel<T>)));
k_buffer = (MatrixKernel<T>*)handle.Pointer;
}
public override ref T this[int column, int row]
{
get
{
AssertIndex(column, row);
int kernelColumn = column / 4, c = column % 4;
int kernelRow = row / t_count, r = row % t_count;
ref MatrixKernel<T> kernel = ref k_buffer[(kernelColumn * kernelColumn) + kernelRow];
return ref kernel[c, r];
}
}
public override Matrix<T> this[ReadOnlySpan<MatrixIndex> column, ReadOnlySpan<MatrixIndex> row]
{
get => throw new NotImplementedException();
set => throw new NotImplementedException();
}
internal override unsafe MatrixKernel<T>* Buffer
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get => k_buffer;
}
public override unsafe ref MatrixKernel<T> GetMatrixKernel(int column, int row)
{
AssertIndex(column, row);
int kernelColumn = column / 4, c = column % 4;
int kernelRow = row / t_count, r = row % t_count;
return ref k_buffer[(kernelColumn * kernelColumn) + kernelRow];
}
public override ref T UnsafeIndex(int column, int row)
{
int kernelColumn = column / 4, c = column % 4;
int kernelRow = row / t_count, r = row % t_count;
ref MatrixKernel<T> kernel = ref k_buffer[(kernelColumn * kernelColumn) + kernelRow];
return ref kernel[c, r];
}
~HlsfMatrix()
{
allocator.Free(handle);
}
#region enumeration
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public override unsafe MatrixSegmentEnumeration<T> GetColumnEnumeration()
{
return new MatrixSegmentEnumeration<T>(k_buffer, KernelColumnLength, KernelColumnLength * KernelRowLength, 1, KernelColumnLength);
}
public override unsafe MatrixSegmentEnumeration<T> GetRowEnumeration()
{
return new MatrixSegmentEnumeration<T>(k_buffer, 1, KernelColumnLength, KernelColumnLength, KernelRowLength);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public override unsafe MatrixSegmentEnumeration<T> GetSequentialEnumeration()
{
return new MatrixSegmentEnumeration<T>(k_buffer, KernelRowLength * KernelColumnLength, KernelColumnLength * KernelRowLength, 1, KernelRowLength * KernelColumnLength);
}
#endregion
}
}