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/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
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/* SCCSid "$SunId$ SGI" */ |
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/* RCSid $Id$ */ |
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/* |
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* Miscellaneous definitions required by many routines. |
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* Collected includes required by many Radiance callers |
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*/ |
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#ifndef _RAD_STANDARD_H_ |
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#define _RAD_STANDARD_H_ |
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#include <stdio.h> |
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#include "copyright.h" |
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#include <sys/types.h> |
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#include "rtio.h" |
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#include "rtmisc.h" |
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#include "rtmath.h" |
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#include "rterror.h" |
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#include <fcntl.h> |
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#include <math.h> |
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#include <errno.h> |
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#include "mat4.h" |
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/* regular transformation */ |
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typedef struct { |
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MAT4 xfm; /* transform matrix */ |
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FLOAT sca; /* scalefactor */ |
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} XF; |
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/* complemetary tranformation */ |
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typedef struct { |
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XF f; /* forward */ |
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XF b; /* backward */ |
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} FULLXF; |
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#ifndef PI |
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#ifdef M_PI |
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#define PI ((double)M_PI) |
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#else |
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#define PI 3.14159265358979323846 |
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#endif |
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#endif |
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#ifndef F_OK /* mode bits for access(2) call */ |
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#define R_OK 4 /* readable */ |
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#define W_OK 2 /* writable */ |
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#define X_OK 1 /* executable */ |
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#define F_OK 0 /* exists */ |
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#endif |
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#ifndef int2 |
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#define int2 short /* two-byte integer */ |
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#endif |
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#ifndef int4 |
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#define int4 int /* four-byte integer */ |
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#endif |
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extern int eputs(), wputs(); /* standard error output functions */ |
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|
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/* error codes */ |
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#define WARNING 0 /* non-fatal error */ |
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#define USER 1 /* fatal user-caused error */ |
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#define SYSTEM 2 /* fatal system-related error */ |
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#define INTERNAL 3 /* fatal program-related error */ |
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#define CONSISTENCY 4 /* bad consistency check, abort */ |
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#define COMMAND 5 /* interactive error */ |
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#define NERRS 6 |
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/* error struct */ |
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extern struct erract { |
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char pre[16]; /* prefix message */ |
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int (*pf)(); /* put function (resettable) */ |
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int ec; /* exit code (0 means non-fatal) */ |
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} erract[NERRS]; /* list of error actions */ |
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#define ERRACT_INIT { {"warning - ", wputs, 0}, \ |
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{"fatal - ", eputs, 1}, \ |
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{"system - ", eputs, 2}, \ |
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{"internal - ", eputs, 1}, \ |
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{"consistency - ", eputs, -1}, \ |
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{"", NULL, 0} } |
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extern char errmsg[]; /* global buffer for error messages */ |
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#ifdef FASTMATH |
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#define tcos cos |
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#define tsin sin |
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#define ttan tan |
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#else |
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extern double tcos(); /* table-based cosine approximation */ |
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#define tsin(x) tcos((x)-(PI/2.)) |
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#define ttan(x) (tsin(x)/tcos(x)) |
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#endif |
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/* custom version of assert(3) */ |
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#define CHECK(be,et,em) ((be) ? error(et,em) : 0) |
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#ifdef DEBUG |
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#define DCHECK CHECK |
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#else |
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#define DCHECK(be,et,em) 0 |
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#endif |
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/* memory operations */ |
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#ifdef NOSTRUCTASS |
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#define copystruct(d,s) bcopy((char *)(s),(char *)(d),sizeof(*(d))) |
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#else |
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#define copystruct(d,s) (*(d) = *(s)) |
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#endif |
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#ifdef BSD |
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extern long lseek(); |
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#else |
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#define bcopy(s,d,n) (void)memcpy(d,s,n) |
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#define bzero(d,n) (void)memset(d,0,n) |
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#define bcmp(b1,b2,n) memcmp(b1,b2,n) |
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#define index strchr |
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#define rindex strrchr |
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extern off_t lseek(); |
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#endif |
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extern long ftell(); |
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extern char *sskip(), *sskip2(); |
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extern char *getpath(), *getenv(); |
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#ifndef malloc |
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extern char *malloc(), *calloc(), *realloc(); |
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#endif |
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extern char *bmalloc(), *savestr(), *savqstr(); |
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#ifdef DCL_ATOF |
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extern double atof(); |
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#endif |
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#ifdef MSDOS |
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#define NIX 1 |
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#endif |
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#ifdef AMIGA |
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#define NIX 1 |
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#endif |
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#endif /* _RAD_STANDARD_H_ */ |
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