first commit

2026-09-02 16:31:50 +08:00
commit a461727193
911 changed files with 692450 additions and 0 deletions
@@ -0,0 +1,30 @@
+// ReSharper disable once CheckNamespace
+namespace System
+{
+    public static class ObjectExtensions
+    {
+        private const double Tolerance = 1e-6;
+
+        public static T CastTo<T>(this object value)
+        {
+            return typeof(T).IsValueType && value != null
+                ? (T)Convert.ChangeType(value, typeof(T))
+                : value is T typeValue ? typeValue : default;
+        }
+
+        public static bool EqualsWithinTolerance(this double @this, double other)
+        {
+            return Math.Abs(@this - other) < Tolerance;
+        }
+
+        public static bool GreaterOrEqual(this double @this, double other)
+        {
+            return @this > other || @this.EqualsWithinTolerance(other);
+        }
+
+        public static bool LessOrEqual(this double @this, double other)
+        {
+            return @this < other || @this.EqualsWithinTolerance(other);
+        }
+    }
+}