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code clean up

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This commit is contained in:
Youmu Liu
2025-10-17 10:49:00 +08:00
parent d3e0b5d005
commit 1927f4fdf3
223 changed files with 5675 additions and 6160 deletions
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StgSharp.Common/Mathematics/Scalar/Log.cs
+37 -40
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@@ -1,33 +1,30 @@
//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
// file="Log.cs"
// Project: StgSharp
// AuthorGroup: Nitload Space
// Copyright (c) Nitload Space. All rights reserved.
// -----------------------------------------------------------------------
// file="Log"
// Project: StgSharp
// AuthorGroup: Nitload
// Copyright (c) Nitload. 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:
// 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.
//
// 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;
namespace StgSharp.Mathematics
@@ -48,35 +45,35 @@ namespace StgSharp.Mathematics
/// <returns>
/// Returns the value of ln(x).
/// </returns>
public static unsafe float Log( float x )
public static unsafe float Log(float x)
{
if( x < 0 ) {
if (x < 0) {
throw new ArgumentOutOfRangeException();
}
uint input = *( uint* )&x;
uint input = *(uint*)&x;
int f = ( int )input;
int f = (int)input;
f >>= 23;
f -= 127;
input <<= 9;
input >>= 9;
input += 0b_0011_1111_1000_0000_0000_0000_0000_0000;
float result = *( float* )&input;
uint order = ( ( uint )( result * 100 ) ) - 100;
float result = *(float*)&input;
uint order = ((uint)(result * 100)) - 100;
float cache = ( result / ( 1f + ( 0.01f * order ) ) ) - 1;
result = ( cache * ( -0.25f ) ) + 0.3333333333333f;
result = ( result * cache ) - 0.5f;
result = ( result * cache ) + 1.0f;
float cache = (result / (1f + (0.01f * order))) - 1;
result = (cache * (-0.25f)) + 0.3333333333333f;
result = (result * cache) - 0.5f;
result = (result * cache) + 1.0f;
result *= cache;
return
( f * 0.6931471806f ) + result + logArray[ order ];
(f * 0.6931471806f) + result + logArray[order];
}
public static float Log( float x, float y )
public static float Log(float x, float y)
{
return Log( x ) / Log( y );
return Log(x) / Log(y);
}
}