added GPL copyrights

[physics.git] / src / mathw.cpp

diff --git a/src/mathw.cpp b/src/mathw.cpp
index c25df98..830a33d 100644 (file)
--- a/src/mathw.cpp
+++ b/src/mathw.cpp
@@ -1,9 +1,21 @@
-#include "mathw.h"
-
+/*
+ *  Copyright (C) 2008 Patrik Gornicz, Gornicz_P (at) hotmail (dot) com.
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 
-/// ***** Private Varibles *****
-
-const float PI = 3.141592653;
+#include "mathw.h"
 
 
 /// ***** Public Methods *****
@@ -13,22 +25,7 @@ int mod(int x, int y)
   return x % y + (x < 0 ? y : 0);
 }
 
-float radsToA(float rads)
-{
-  return ftofix(rads * 128/PI);
-}
-
-float atanA(float c)
-{
-  return radsToA(atan(c)) + itofix(64);
-}
-
-float atan2A(float y, float x)
-{
-  return radsToA(atan2(y,x)) + itofix(64);
-}
-
-/// Vector2 Math
+// Vector2 Math
 
 Vector2 perp(const Vector2& vec)
 {