added GPL copyrights

[physics.git] / src / mathw.h

diff --git a/src/mathw.h b/src/mathw.h
index 0d9e3ab..b45bfc0 100644 (file)
--- a/src/mathw.h
+++ b/src/mathw.h
@@ -1,3 +1,20 @@
+/*
+ *  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/>.
+ */
+
 #ifndef MATHW_H
 #define MATHW_H
 
@@ -5,14 +22,14 @@
 #include "Vector2.h"
 
 
+/// ***** Public Variables *****
+
+static const float PI = 3.1415926535897;
+
 /// ***** Header Methods *****
 
 int mod(int,int);
 
-float radsToA(float);
-float atanA(float);
-float atan2A(float, float);
-
 /// Vector2 Math
 
 //Vector2 vectorToLine(float, float, float, float) const;