OpenGL rebuild project start!

2023-04-29 03:06:32 +08:00
parent 7dba067146
commit 4dd3f4f6d1
263 changed files with 51374 additions and 1522 deletions
@@ -0,0 +1,43 @@
+using System;
+using System.Collections.Generic;
+using System.Runtime.CompilerServices;
+using System.Text;
+using System.Numerics;
+using System.Globalization;
+
+namespace StgSharp.Math
+{
+    public static unsafe partial class Calc
+    {
+
+        public static unsafe float Abs(float x)
+        {
+            uint* a = (uint*)&x;
+            *a &= 0b_0111_1111_1111_1111_1111_1111_1111_1111;
+            return *(float*)a;
+        }
+
+        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;
+        }
+
+    }
+}