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- /**********************************************************************
- *<
- FILE: trig.h
- DESCRIPTION: Useful trigonometry macros
- CREATED BY: Rolf Berteig
- HISTORY: created 19 November 1994
- *> Copyright (c) 1994, All Rights Reserved.
- **********************************************************************/
- #ifndef __TRIG__
- #define __TRIG__
- #define PI ((float)3.1415926535)
- #define TWOPI ((float)6.283185307)
- #define HALFPI ((float)1.570796326794895)
- #define DEG_TO_RAD (PI/(float)180.0)
- #define RAD_TO_DEG ((float)180.0/PI)
- #define DegToRad(deg) (((float)deg)*DEG_TO_RAD)
- #define RadToDeg(rad) (((float)rad)*RAD_TO_DEG)
- #endif // __TRIG_H__
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