119 lines
3.1 KiB
C#
119 lines
3.1 KiB
C#
// -----------------------------------------------------------------------------
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// file="M128"
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// Project: StgSharp
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// Copyright (c) Nitload.
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// SPDX-License-Identifier: MIT
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// -----------------------------------------------------------------------------
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using System;
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using System.Collections.Generic;
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using System.Diagnostics.CodeAnalysis;
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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.Runtime.Intrinsics;
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using System.Runtime.Intrinsics.X86;
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using System.Text;
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namespace Nitload.Common.HighPerformance.ProcessorAbstraction
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{
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[StructLayout(LayoutKind.Explicit, Pack = 16)]
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public unsafe struct M128 : IRegisterPresentation
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{
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[FieldOffset(0)] internal fixed byte Buffer[16];
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[FieldOffset(0)] internal Vector128<float> Vec;
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internal M128(
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Vector4 v
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)
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{
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Unsafe.SkipInit(out this);
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Unsafe.SkipInit(out Vec);
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Vec = v.AsVector128();
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}
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internal M128(
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Vector128<float> v
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)
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{
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Unsafe.SkipInit(out this);
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Vec = v;
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}
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public ref T AsRef<T>() where T : unmanaged, INumber<T>
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{
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return ref Unsafe.As<byte, T>(ref Buffer[0]);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public readonly Vector4 AsVector4()
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{
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return Vec.AsVector4();
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}
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public void BroadCastFrom<T>(
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T value
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) where T : unmanaged, INumber<T>
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{
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Vec = Vector128.Create<T>(value).AsSingle();
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}
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public override readonly bool Equals(
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[NotNullWhen(true)] object obj
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)
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{
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return obj is M128 other && this == other;
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}
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public override readonly int GetHashCode()
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{
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return Vec.GetHashCode();
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public ref T Member<T>(
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int index
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) where T : unmanaged, INumber<T>
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{
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return ref Unsafe.Add(ref AsRef<T>(), index);
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}
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public override string ToString()
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{
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return string.Empty;
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}
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public string ToString(
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int sample
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)
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{
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string str = string.Empty;
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for (int i = 15; i >= 0; i--) {
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str += $"{Convert.ToString(Buffer[i], sample)} ";
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}
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return str;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool operator !=(
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M128 left,
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M128 right
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)
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{
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return left.Vec != right.Vec;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool operator ==(
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M128 left,
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M128 right
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)
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{
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return left.Vec == right.Vec;
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}
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}
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}
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