			/* RCSid $Id: func.h,v 2.10 2015/05/20 12:58:31 greg Exp $ */
			/*
			* Header file for modifiers using function files.
			*
			* Include after ray.h
			*/
			#ifndef _RAD_FUNC_H_
			#define _RAD_FUNC_H_

			#include "calcomp.h"

			#ifdef __cplusplus
			extern "C" {
			#endif

			#define MAXEXPR 9 /* maximum expressions in modifier */

			typedef struct {
			EPNODE ep[MAXEXPR+1]; / NULL-terminated expression list */
			char ctx; / context (from file name) */
			XF fxp, bxp; /* forward and backward transforms */
			} MFUNC; /* material function */

			extern XF unitxf; /* identity transform */
			extern XF funcxf; /* current transform */

			extern void initfunc(void);
			extern void set_eparams(char *prms);
			extern MFUNC getfunc(OBJREC m, int ff, unsigned int ef, int dofwd);
			extern void freefunc(OBJREC *m);
			extern int setfunc(OBJREC m, RAY r);
			extern int worldfunc(char ctx, RAY r);
			extern void loadfunc(char *fname);

			/* defined in noise3.c */
			extern void setnoisefuncs(void);

			/* defined in fprism.c */
			extern void setprismfuncs(void);


			#ifdef __cplusplus
			}
			#endif
			#endif /* _RAD_FUNC_H_ */

RadiancePmap/func.h
9f35cb983d38fixSpecular

func.h
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