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/* Copyright (c) 1988 Regents of the University of California */ |
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/* SCCSid "$SunId$ LBL" */ |
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/* RCSid $Id$ */ |
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/* |
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* Miscellaneous definitions required by many routines. |
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*/ |
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#ifndef _RAD_STANDARD_H_ |
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#define _RAD_STANDARD_H_ |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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#include <stdio.h> |
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#include "copyright.h" |
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#include <stdio.h> |
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#include <sys/types.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 <stdlib.h> |
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#include <string.h> |
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#include "fvect.h" |
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#include "platform.h" |
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#include "mat4.h" |
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#define FHUGE (1e10) /* large real number */ |
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#define FTINY (1e-6) /* small real number */ |
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#ifdef M_PI |
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#define PI M_PI |
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#ifndef NULL |
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#define NULL 0 |
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#endif |
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|
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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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#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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#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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|
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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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|
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/* error codes */ |
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#define WARNING 1 /* non-fatal error */ |
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#define USER 2 /* fatal user-caused error */ |
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#define SYSTEM 3 /* fatal system-related error */ |
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#define INTERNAL 4 /* fatal program-related error */ |
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#define CONSISTENCY 5 /* bad consistency check, abort */ |
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#define COMMAND 6 /* interactive error */ |
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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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void (*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, 3}, \ |
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{"consistency - ", eputs, -1}, \ |
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{"", NULL, 0} } |
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|
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extern char errmsg[]; /* global buffer for error messages */ |
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extern int errno; /* system error number */ |
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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) if (be) error(et,em); else |
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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) (void)0 |
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#endif |
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/* memory operations */ |
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#ifdef STRUCTASSIGN |
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#define copystruct(d,s) (*(d) = *(s)) |
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#ifdef NOSTRUCTASS |
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#define copystruct(d,s) bcopy((void *)(s),(void *)(d),sizeof(*(d))) |
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#else |
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#define copystruct(d,s) bcopy((char *)(s),(char *)(d),sizeof(*(d))) |
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#define copystruct(d,s) (*(d) = *(s)) |
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#endif |
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#ifndef BSD |
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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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extern char *memcpy(), *memset(); |
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#ifndef BSD |
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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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#endif |
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extern off_t lseek(); |
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extern char *sskip(); |
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extern char *getpath(); |
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extern char *malloc(), *calloc(), *realloc(); |
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extern char *bmalloc(), *savestr(), *savqstr(); |
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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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/* defined in badarg.c */ |
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extern int badarg(int ac, char **av, char *fl); |
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/* defined in bmalloc.c */ |
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extern char *bmalloc(unsigned int n); |
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extern void bfree(char *p, unsigned int n); |
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/* defined in error.c */ |
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extern void error(int etype, char *emsg); |
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/* defined in expandarg.c */ |
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extern int expandarg(int *acp, char ***avp, int n); |
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/* defined in fdate.c */ |
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extern time_t fdate(char *fname); |
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extern int setfdate(char *fname, long ftim); |
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/* defined in fgetline.c */ |
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extern char *fgetline(char *s, int n, FILE *fp); |
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/* defined in fgetval.c */ |
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extern int fgetval(FILE *fp, int ty, char *vp); |
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/* defined in fgetword.c */ |
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extern char *fgetword(char *s, int n, FILE *fp); |
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/* defined in fputword.c */ |
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extern void fputword(char *s, FILE *fp); |
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/* defined in fixargv0.c */ |
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extern char *fixargv0(char *av0); |
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/* defined in fropen.c */ |
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extern FILE *frlibopen(char *fname); |
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/* defined in getlibpath.c */ |
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extern char *getrlibpath(void); |
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/* defined in getpath.c */ |
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extern char *getpath(char *fname, char *searchpath, int mode); |
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/* defined in portio.c */ |
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extern void putstr(char *s, FILE *fp); |
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extern void putint(long i, int siz, FILE *fp); |
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extern void putflt(double f, FILE *fp); |
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extern char *getstr(char *s, FILE *fp); |
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extern long getint(int siz, FILE *fp); |
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extern double getflt(FILE *fp); |
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/* defined in process.c */ |
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extern int open_process(int pd[3], char *av[]); |
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extern int process(int pd[3], char *recvbuf, char *sendbuf, |
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int nbr, int nbs); |
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extern int close_process(int pd[3]); |
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extern int readbuf(int fd, char *bpos, int siz); |
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extern int writebuf(int fd, char *bpos, int siz); |
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/* defined in rexpr.c */ |
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extern int ecompile(char *sp, int iflg, int wflag); |
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extern char *expsave(void); |
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extern void expset(char *ep); |
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extern char *eindex(char *sp); |
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/* defined in savestr.c */ |
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extern char *savestr(char *str); |
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extern void freestr(char *s); |
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extern int shash(char *s); |
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/* defined in savqstr.c */ |
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extern char *savqstr(char *s); |
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extern void freeqstr(char *s); |
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/* defined in tcos.c */ |
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extern double tcos(double x); |
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/* defined in wordfile.c */ |
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extern int wordfile(char **words, char *fname); |
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extern int wordstring(char **avl, char *str); |
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/* defined in words.c */ |
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extern char *atos(char *rs, int nb, char *s); |
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extern char *nextword(char *cp, int nb, char *s); |
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extern char *sskip(char *s); |
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extern char *sskip2(char *s, int n); |
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extern char *iskip(char *s); |
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extern char *fskip(char *s); |
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extern int isint(char *s); |
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extern int isintd(char *s, char *ds); |
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extern int isflt(char *s); |
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extern int isfltd(char *s, char *ds); |
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/* defined in xf.c */ |
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extern int xf(XF *ret, int ac, char *av[]); |
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extern int invxf(XF *ret, int ac, char *av[]); |
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extern int fullxf(FULLXF *fx, int ac, char *av[]); |
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/* defined in zeroes.c */ |
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extern int quadtratic(double *r, double a, double b, double c); |
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/* defined in dircode.c */ |
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extern int4 encodedir(FVECT dv); |
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extern void decodedir(FVECT dv, int4 dc); |
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extern double dir2diff(int4 dc1, int4 dc2); |
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extern double fdir2diff(int4 dc1, FVECT v2); |
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/* miscellaneous */ |
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extern void eputs(char *s); |
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extern void wputs(char *s); |
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extern void quit(int code); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* _RAD_STANDARD_H_ */ |
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