Files
stgsharp/StgSharp.Common/Math/Scalar/BasicOps.cs
T

70 lines
2.7 KiB
C#

//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
// file="BasicOps.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.Globalization;
using System.Runtime.CompilerServices;
namespace StgSharp.Math
{
public static unsafe partial class Scaler
{
[MethodImpl( MethodImplOptions.AggressiveInlining )]
public static unsafe float Abs( float x )
{
uint* a = ( uint* )&x;
*a &= 0b_0111_1111_1111_1111_1111_1111_1111_1111;
return *( float* )a;
}
[MethodImpl( MethodImplOptions.AggressiveInlining )]
public static unsafe int Abs( int x )
{
uint* a = ( uint* )&x;
*a &= 0b_0111_1111_1111_1111_1111_1111_1111_1111;
return *( int* )a;
}
internal static string GetListSeparator( IFormatProvider formatProvider )
{
if( formatProvider is CultureInfo cultureInfo ) {
return cultureInfo.TextInfo.ListSeparator;
}
if( formatProvider?.GetFormat( typeof( TextInfo ) ) is TextInfo textInfo ) {
return textInfo.ListSeparator;
}
return CultureInfo.CurrentCulture.TextInfo.ListSeparator;
}
}
}