93 lines
3.2 KiB
C#
93 lines
3.2 KiB
C#
//-----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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// file="MatrixKernel.cs"
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// Project: StgSharp
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// AuthorGroup: Nitload Space
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// Copyright (c) Nitload Space. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the “Software”), to deal in the Software without restriction,
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// including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software,
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// and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and
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// this permission notice shall be included in all copies
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// or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED “AS IS”,
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// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH
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// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 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 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.HighPerformance
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{
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[StructLayout(LayoutKind.Explicit, Size = 64)]
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public unsafe struct MatrixKernel<T> where T: unmanaged, INumber<T>
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{
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[FieldOffset(0)] internal fixed byte Buffer[64];
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[FieldOffset(0)] internal fixed double FP64Buffer[8];
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[FieldOffset(0)] internal fixed float FP32Buffer[16];
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[FieldOffset(0)] public M128 XMM0;
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[FieldOffset(16)] public M128 XMM1;
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[FieldOffset(32)] public M128 XMM2;
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[FieldOffset(48)] public M128 XMM3;
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[FieldOffset(0)] public M256 YMM0;
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[FieldOffset(32)] public M256 YMM1;
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[FieldOffset(64)] public M512 ZMM0;
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public MatrixKernel()
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{
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Unsafe.SkipInit(out this);
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}
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public MatrixKernel(bool clear)
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{
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if (!clear) {
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Unsafe.SkipInit(out this);
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}
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}
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public static MatrixKernel<T> Unit
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{
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get
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{
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MatrixKernel<T> kernel = new(true);
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kernel.FP32Buffer[0] = 1f;
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kernel.FP32Buffer[3] = 1f;
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kernel.FP32Buffer[8] = 1f;
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kernel.FP32Buffer[15] = 1f;
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return kernel;
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}
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}
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public ref T UnsafeIndex(int column, int row)
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{
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ref M128 col = ref Unsafe.As<byte, M128>(ref Buffer[0]);
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col = ref Unsafe.Add(ref col, column);
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return ref col.Member<T>(row);
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}
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}
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}
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