Files
stgsharp/StgSharp.Common/HighPerformance/M64.cs
T

107 lines
3.4 KiB
C#

//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="M64.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 System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Numerics;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
namespace StgSharp.HighPerformance
{
[StructLayout(LayoutKind.Explicit, Pack = 8)]
public unsafe struct M64 : IRegisterPresentation
{
[FieldOffset(0)] private fixed byte buffer[8];
[FieldOffset(0)] private ulong value;
public M64()
{
Unsafe.SkipInit(out this);
value = 0;
}
public ref T AsRef<T>() where T: unmanaged,INumber<T>
{
return ref Unsafe.As<byte, T>(ref buffer[0]);
}
public override bool Equals(object obj)
{
return obj is M64 m64 && this == m64;
}
public override int GetHashCode()
{
return value.GetHashCode();
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public ref T Member<T>(int index) where T: unmanaged, INumber<T>
{
return ref Unsafe.As<byte, T>(ref buffer[index * sizeof(T)]);
}
public static bool operator !=(M64 left, M64 right)
{
return !(left == right);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static M64 operator <<(M64 m, int shift)
{
return new M64
{
value = m.value << shift
};
}
public static bool operator ==(M64 left, M64 right)
{
return left.value == right.value;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static M64 operator >>(M64 m, int shift)
{
return new M64
{
value = m.value >> shift
};
}
}
}