3.0 - unitypackage

Runtime/Internal/Utilities/MathUtil.cs

@@ -0,0 +1,46 @@
+
+using System.Text;
+using System;
+using System.Collections.Generic;
+using System.Text.RegularExpressions;
+using UnityEngine;
+using UnityEngine.EventSystems;
+using UnityEngine.UI;
+
+namespace XCharts
+{
+    public static class MathUtil
+    {
+        public static double Abs(double d)
+        {
+            return d > 0 ? d : -d;
+        }
+
+        public static double Clamp(double d, double min, double max)
+        {
+            if (d >= min && d <= max) return d;
+            else if (d < min) return min;
+            else return max;
+        }
+
+        public static bool Approximately(double a, double b)
+        {
+            return Math.Abs(b - a) < Math.Max(0.000001f * Math.Max(Math.Abs(a), Math.Abs(b)), Mathf.Epsilon * 8);
+        }
+
+        public static double Clamp01(double value)
+        {
+            if (value < 0F)
+                return 0F;
+            else if (value > 1F)
+                return 1F;
+            else
+                return value;
+        }
+
+        public static double Lerp(double a, double b, double t)
+        {
+            return a + (b - a) * Clamp01(t);
+        }
+    }
+}