--- ray/src/common/standard.h 1989/02/02 10:34:23 1.1 +++ ray/src/common/standard.h 1997/11/14 12:31:06 2.10 @@ -1,6 +1,6 @@ -/* Copyright (c) 1988 Regents of the University of California */ +/* Copyright (c) 1997 Silicon Graphics, Inc. */ -/* SCCSid "$SunId$ LBL" */ +/* SCCSid "$SunId$ SGI" */ /* * Miscellaneous definitions required by many routines. @@ -8,33 +8,95 @@ #include +#include + #include #include -#include "fvect.h" +#include "mat4.h" + /* regular transformation */ +typedef struct { + MAT4 xfm; /* transform matrix */ + FLOAT sca; /* scalefactor */ +} XF; + /* complemetary tranformation */ +typedef struct { + XF f; /* forward */ + XF b; /* backward */ +} FULLXF; -#define FHUGE (1e10) /* large real number */ -#define FTINY (1e-6) /* small real number */ - -#ifdef M_PI -#define PI M_PI +#ifndef PI +#ifdef M_PI +#define PI M_PI #else -#define PI 3.14159265358979323846 +#define PI 3.14159265358979323846 #endif +#endif + +#ifndef F_OK /* mode bits for access(2) call */ +#define R_OK 4 /* readable */ +#define W_OK 2 /* writable */ +#define X_OK 1 /* executable */ +#define F_OK 0 /* exists */ +#endif + +extern int eputs(), wputs(); /* standard error output functions */ + /* error codes */ -#define WARNING 1 /* non-fatal error */ -#define USER 2 /* fatal user-caused error */ -#define SYSTEM 3 /* fatal system-related error */ -#define INTERNAL 4 /* fatal program-related error */ -#define CONSISTENCY 5 /* bad consistency check, abort */ -#define COMMAND 6 /* interactive error */ +#define WARNING 0 /* non-fatal error */ +#define USER 1 /* fatal user-caused error */ +#define SYSTEM 2 /* fatal system-related error */ +#define INTERNAL 3 /* fatal program-related error */ +#define CONSISTENCY 4 /* bad consistency check, abort */ +#define COMMAND 5 /* interactive error */ +#define NERRS 6 + /* error struct */ +extern struct erract { + char pre[16]; /* prefix message */ + int (*pf)(); /* put function (resettable) */ + int ec; /* exit code (0 means non-fatal) */ +} erract[NERRS]; /* list of error actions */ +#define ERRACT_INIT { {"warning - ", wputs, 0}, \ + {"fatal - ", eputs, 1}, \ + {"system - ", eputs, 2}, \ + {"internal - ", eputs, 1}, \ + {"consistency - ", eputs, -1}, \ + {"", NULL, 0} } + extern char errmsg[]; /* global buffer for error messages */ -extern int errno; /* system error number */ + /* memory operations */ +#ifdef NOSTRUCTASS +#define copystruct(d,s) bcopy((char *)(s),(char *)(d),sizeof(*(d))) +#else +#define copystruct(d,s) (*(d) = *(s)) +#endif -extern char *sskip(); -extern char *getpath(); +#ifndef BSD +#define bcopy(s,d,n) (void)memcpy(d,s,n) +#define bzero(d,n) (void)memset(d,0,n) +#define bcmp(b1,b2,n) memcmp(b1,b2,n) +#define index strchr +#define rindex strrchr +#endif + +extern char *sskip(), *sskip2(); +extern char *getpath(), *getenv(); +#ifndef malloc extern char *malloc(), *calloc(), *realloc(); +#endif extern char *bmalloc(), *savestr(), *savqstr(); + +#ifdef DCL_ATOF +extern double atof(); +#endif + +#ifdef MSDOS +#define NIX 1 +#endif +#ifdef AMIGA +#define NIX 1 +#endif +