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