Daily update 2 on 20240228 by nitload youmu

2025-03-01 04:58:46 +08:00
parent 90d5f76511
commit f22862dfc4
983 changed files with 180004 additions and 0 deletions
@@ -0,0 +1,71 @@
+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+//     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;
+        }
+
+    }
+}