| 1 | using System; | 
 
 
 
 
 | 2 |  | 
 
 
 
 
 | 3 | namespace Oni | 
 
 
 
 
 | 4 | { | 
 
 
 
 
 | 5 | internal static class FMath | 
 
 
 
 
 | 6 | { | 
 
 
 
 
 | 7 | public static float Sign(float x) | 
 
 
 
 
 | 8 | { | 
 
 
 
 
 | 9 | if (x > 0.0f) | 
 
 
 
 
 | 10 | return 1.0f; | 
 
 
 
 
 | 11 | else if (x < 0.0f) | 
 
 
 
 
 | 12 | return -1.0f; | 
 
 
 
 
 | 13 | else | 
 
 
 
 
 | 14 | return 0.0f; | 
 
 
 
 
 | 15 | } | 
 
 
 
 
 | 16 |  | 
 
 
 
 
 | 17 | public static float Sqrt(float x) => (float)Math.Sqrt(x); | 
 
 
 
 
 | 18 | public static float Sqr(float x) => x * x; | 
 
 
 
 
 | 19 | public static float Atan2(float y, float x) => (float)Math.Atan2(y, x); | 
 
 
 
 
 | 20 | public static float Cos(float x) => (float)Math.Cos(x); | 
 
 
 
 
 | 21 | public static float Sin(float x) => (float)Math.Sin(x); | 
 
 
 
 
 | 22 | public static float Acos(float x) => (float)Math.Acos(x); | 
 
 
 
 
 | 23 | public static float Round(float x, int digits) => (float)Math.Round(x, digits); | 
 
 
 
 
 | 24 | public static int RoundToInt32(float f) => (int)Math.Round(f); | 
 
 
 
 
 | 25 | public static int TruncateToInt32(float f) => (int)Math.Truncate(f); | 
 
 
 
 
 | 26 | } | 
 
 
 
 
 | 27 | } |