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root/radiance/ray/src/cv/mgflib/parser.h
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Comparing ray/src/cv/mgflib/parser.h (file contents):
Revision 1.28 by greg, Wed Nov 29 19:55:42 1995 UTC vs.
Revision 1.29 by greg, Thu Feb 8 16:29:33 1996 UTC

# Line 428 | Line 428 | extern int     xf(XF *, int, char **);         /* interpret trans
428   *      Miscellaneous definitions
429   */
430  
431 + #ifndef  PI
432   #ifdef  M_PI
433   #define  PI             M_PI
434   #else
435   #define  PI             3.14159265358979323846
436 + #endif
437   #endif
438  
439   #ifdef DCL_ATOF

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