| 1 |
/* RCSid: $Id$ */ |
| 2 |
/* |
| 3 |
* Miscellaneous definitions required by many routines. |
| 4 |
*/ |
| 5 |
|
| 6 |
/* ==================================================================== |
| 7 |
* The Radiance Software License, Version 1.0 |
| 8 |
* |
| 9 |
* Copyright (c) 1990 - 2002 The Regents of the University of California, |
| 10 |
* through Lawrence Berkeley National Laboratory. All rights reserved. |
| 11 |
* |
| 12 |
* Redistribution and use in source and binary forms, with or without |
| 13 |
* modification, are permitted provided that the following conditions |
| 14 |
* are met: |
| 15 |
* |
| 16 |
* 1. Redistributions of source code must retain the above copyright |
| 17 |
* notice, this list of conditions and the following disclaimer. |
| 18 |
* |
| 19 |
* 2. Redistributions in binary form must reproduce the above copyright |
| 20 |
* notice, this list of conditions and the following disclaimer in |
| 21 |
* the documentation and/or other materials provided with the |
| 22 |
* distribution. |
| 23 |
* |
| 24 |
* 3. The end-user documentation included with the redistribution, |
| 25 |
* if any, must include the following acknowledgment: |
| 26 |
* "This product includes Radiance software |
| 27 |
* (http://radsite.lbl.gov/) |
| 28 |
* developed by the Lawrence Berkeley National Laboratory |
| 29 |
* (http://www.lbl.gov/)." |
| 30 |
* Alternately, this acknowledgment may appear in the software itself, |
| 31 |
* if and wherever such third-party acknowledgments normally appear. |
| 32 |
* |
| 33 |
* 4. The names "Radiance," "Lawrence Berkeley National Laboratory" |
| 34 |
* and "The Regents of the University of California" must |
| 35 |
* not be used to endorse or promote products derived from this |
| 36 |
* software without prior written permission. For written |
| 37 |
* permission, please contact [email protected]. |
| 38 |
* |
| 39 |
* 5. Products derived from this software may not be called "Radiance", |
| 40 |
* nor may "Radiance" appear in their name, without prior written |
| 41 |
* permission of Lawrence Berkeley National Laboratory. |
| 42 |
* |
| 43 |
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| 44 |
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 45 |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 46 |
* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR |
| 47 |
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 48 |
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 49 |
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| 50 |
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 51 |
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 52 |
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| 53 |
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 54 |
* SUCH DAMAGE. |
| 55 |
* ==================================================================== |
| 56 |
* |
| 57 |
* This software consists of voluntary contributions made by many |
| 58 |
* individuals on behalf of Lawrence Berkeley National Laboratory. For more |
| 59 |
* information on Lawrence Berkeley National Laboratory, please see |
| 60 |
* <http://www.lbl.gov/>. |
| 61 |
*/ |
| 62 |
|
| 63 |
#include <stdio.h> |
| 64 |
|
| 65 |
#include <sys/types.h> |
| 66 |
|
| 67 |
#include <fcntl.h> |
| 68 |
|
| 69 |
#include <math.h> |
| 70 |
|
| 71 |
#include <errno.h> |
| 72 |
|
| 73 |
#include <stdlib.h> |
| 74 |
|
| 75 |
#include <string.h> |
| 76 |
|
| 77 |
#include "mat4.h" |
| 78 |
/* regular transformation */ |
| 79 |
typedef struct { |
| 80 |
MAT4 xfm; /* transform matrix */ |
| 81 |
FLOAT sca; /* scalefactor */ |
| 82 |
} XF; |
| 83 |
/* complemetary tranformation */ |
| 84 |
typedef struct { |
| 85 |
XF f; /* forward */ |
| 86 |
XF b; /* backward */ |
| 87 |
} FULLXF; |
| 88 |
|
| 89 |
#ifndef PI |
| 90 |
#ifdef M_PI |
| 91 |
#define PI ((double)M_PI) |
| 92 |
#else |
| 93 |
#define PI 3.14159265358979323846 |
| 94 |
#endif |
| 95 |
#endif |
| 96 |
|
| 97 |
#ifndef F_OK /* mode bits for access(2) call */ |
| 98 |
#define R_OK 4 /* readable */ |
| 99 |
#define W_OK 2 /* writable */ |
| 100 |
#define X_OK 1 /* executable */ |
| 101 |
#define F_OK 0 /* exists */ |
| 102 |
#endif |
| 103 |
|
| 104 |
#ifndef int2 |
| 105 |
#define int2 short /* two-byte integer */ |
| 106 |
#endif |
| 107 |
#ifndef int4 |
| 108 |
#define int4 int /* four-byte integer */ |
| 109 |
#endif |
| 110 |
|
| 111 |
/* error codes */ |
| 112 |
#define WARNING 0 /* non-fatal error */ |
| 113 |
#define USER 1 /* fatal user-caused error */ |
| 114 |
#define SYSTEM 2 /* fatal system-related error */ |
| 115 |
#define INTERNAL 3 /* fatal program-related error */ |
| 116 |
#define CONSISTENCY 4 /* bad consistency check, abort */ |
| 117 |
#define COMMAND 5 /* interactive error */ |
| 118 |
#define NERRS 6 |
| 119 |
/* error struct */ |
| 120 |
extern struct erract { |
| 121 |
char pre[16]; /* prefix message */ |
| 122 |
void (*pf)(); /* put function (resettable) */ |
| 123 |
int ec; /* exit code (0 means non-fatal) */ |
| 124 |
} erract[NERRS]; /* list of error actions */ |
| 125 |
|
| 126 |
#define ERRACT_INIT { {"warning - ", wputs, 0}, \ |
| 127 |
{"fatal - ", eputs, 1}, \ |
| 128 |
{"system - ", eputs, 2}, \ |
| 129 |
{"internal - ", eputs, 3}, \ |
| 130 |
{"consistency - ", eputs, -1}, \ |
| 131 |
{"", NULL, 0} } |
| 132 |
|
| 133 |
extern char errmsg[]; /* global buffer for error messages */ |
| 134 |
|
| 135 |
#ifdef FASTMATH |
| 136 |
#define tcos cos |
| 137 |
#define tsin sin |
| 138 |
#define ttan tan |
| 139 |
#else |
| 140 |
extern double tcos(); /* table-based cosine approximation */ |
| 141 |
#define tsin(x) tcos((x)-(PI/2.)) |
| 142 |
#define ttan(x) (tsin(x)/tcos(x)) |
| 143 |
#endif |
| 144 |
/* custom version of assert(3) */ |
| 145 |
#define CHECK(be,et,em) ((be) ? error(et,em) : 0) |
| 146 |
#ifdef DEBUG |
| 147 |
#define DCHECK CHECK |
| 148 |
#else |
| 149 |
#define DCHECK(be,et,em) 0 |
| 150 |
#endif |
| 151 |
/* memory operations */ |
| 152 |
#ifdef NOSTRUCTASS |
| 153 |
#define copystruct(d,s) bcopy((char *)(s),(char *)(d),sizeof(*(d))) |
| 154 |
#else |
| 155 |
#define copystruct(d,s) (*(d) = *(s)) |
| 156 |
#endif |
| 157 |
|
| 158 |
#ifndef BSD |
| 159 |
#define bcopy(s,d,n) (void)memcpy(d,s,n) |
| 160 |
#define bzero(d,n) (void)memset(d,0,n) |
| 161 |
#define bcmp(b1,b2,n) memcmp(b1,b2,n) |
| 162 |
#define index strchr |
| 163 |
#define rindex strrchr |
| 164 |
#endif |
| 165 |
extern off_t lseek(); |
| 166 |
|
| 167 |
#ifdef MSDOS |
| 168 |
#define NIX 1 |
| 169 |
#endif |
| 170 |
#ifdef AMIGA |
| 171 |
#define NIX 1 |
| 172 |
#endif |
| 173 |
|
| 174 |
#ifdef NOPROTO |
| 175 |
|
| 176 |
extern int badarg(); |
| 177 |
extern char *bmalloc(); |
| 178 |
extern void bfree(); |
| 179 |
extern void error(); |
| 180 |
extern int expandarg(); |
| 181 |
extern time_t fdate(); |
| 182 |
extern int setfdate(); |
| 183 |
extern char *fgetline(); |
| 184 |
extern int fgetval(); |
| 185 |
extern char *fgetword(); |
| 186 |
extern void fputword(); |
| 187 |
extern char *fixargv0(); |
| 188 |
extern FILE *frlibopen(); |
| 189 |
extern char *getlibpath(); |
| 190 |
extern char *getpath(); |
| 191 |
extern void putstr(); |
| 192 |
extern void putint(); |
| 193 |
extern void putflt(); |
| 194 |
extern char *getstr(); |
| 195 |
extern long getint(); |
| 196 |
extern double getflt(); |
| 197 |
extern int open_process(); |
| 198 |
extern int process(); |
| 199 |
extern int close_process(); |
| 200 |
extern int readbuf(); |
| 201 |
extern int writebuf(); |
| 202 |
extern int ecompile(); |
| 203 |
extern char *expsave(); |
| 204 |
extern void expset(); |
| 205 |
extern char *eindex(); |
| 206 |
extern char *savestr(); |
| 207 |
extern void freestr(); |
| 208 |
extern int shash(); |
| 209 |
extern char *savqstr(); |
| 210 |
extern void freeqstr(); |
| 211 |
extern double tcos(); |
| 212 |
extern int wordfile(); |
| 213 |
extern int wordstring(); |
| 214 |
extern char *atos(); |
| 215 |
extern char *nextword(); |
| 216 |
extern char *sskip(); |
| 217 |
extern char *sskip2(); |
| 218 |
extern char *iskip(); |
| 219 |
extern char *fskip(); |
| 220 |
extern int isint(); |
| 221 |
extern int isintd(); |
| 222 |
extern int isflt(); |
| 223 |
extern int isfltd(); |
| 224 |
extern int xf(); |
| 225 |
extern int invxf(); |
| 226 |
extern int fullxf(); |
| 227 |
extern int quadtratic(); |
| 228 |
extern void eputs(); |
| 229 |
extern void wputs(); |
| 230 |
extern void quit(); |
| 231 |
|
| 232 |
#else |
| 233 |
/* defined in badarg.c */ |
| 234 |
extern int badarg(int ac, char **av, char *fl); |
| 235 |
/* defined in bmalloc.c */ |
| 236 |
extern char *bmalloc(unsigned int n); |
| 237 |
extern void bfree(char *p, unsigned int n); |
| 238 |
/* defined in error.c */ |
| 239 |
extern void error(int etype, char *emsg); |
| 240 |
/* defined in expandarg.c */ |
| 241 |
extern int expandarg(int *acp, char ***avp, int n); |
| 242 |
/* defined in fdate.c */ |
| 243 |
extern time_t fdate(char *fname); |
| 244 |
extern int setfdate(char *fname, long ftim); |
| 245 |
/* defined in fgetline.c */ |
| 246 |
extern char *fgetline(char *s, int n, FILE *fp); |
| 247 |
/* defined in fgetval.c */ |
| 248 |
extern int fgetval(FILE *fp, int ty, char *vp); |
| 249 |
/* defined in fgetword.c */ |
| 250 |
extern char *fgetword(char *s, int n, FILE *fp); |
| 251 |
/* defined in fputword.c */ |
| 252 |
extern void fputword(char *s, FILE *fp); |
| 253 |
/* defined in fixargv0.c */ |
| 254 |
extern char *fixargv0(char *av0); |
| 255 |
/* defined in fropen.c */ |
| 256 |
extern FILE *frlibopen(char *fname); |
| 257 |
/* defined in getlibpath.c */ |
| 258 |
extern char *getlibpath(void); |
| 259 |
/* defined in getpath.c */ |
| 260 |
extern char *getpath(char *fname, char *searchpath, int mode); |
| 261 |
/* defined in portio.c */ |
| 262 |
extern void putstr(char *s, FILE *fp); |
| 263 |
extern void putint(long i, int siz, FILE *fp); |
| 264 |
extern void putflt(double f, FILE *fp); |
| 265 |
extern char *getstr(char *s, FILE *fp); |
| 266 |
extern long getint(int siz, FILE *fp); |
| 267 |
extern double getflt(FILE *fp); |
| 268 |
/* defined in process.c */ |
| 269 |
extern int open_process(int pd[3], char *av[]); |
| 270 |
extern int process(int pd[3], char *recvbuf, char *sendbuf, |
| 271 |
int nbr, int nbs); |
| 272 |
extern int close_process(int pd[3]); |
| 273 |
extern int readbuf(int fd, char *bpos, int siz); |
| 274 |
extern int writebuf(int fd, char *bpos, int siz); |
| 275 |
/* defined in rexpr.c */ |
| 276 |
extern int ecompile(char *sp, int iflg, int wflag); |
| 277 |
extern char *expsave(); |
| 278 |
extern void expset(char *ep); |
| 279 |
extern char *eindex(char *sp); |
| 280 |
/* defined in savestr.c */ |
| 281 |
extern char *savestr(char *str); |
| 282 |
extern void freestr(char *s); |
| 283 |
extern int shash(char *s); |
| 284 |
/* defined in savqstr.c */ |
| 285 |
extern char *savqstr(char *s); |
| 286 |
extern void freeqstr(char *s); |
| 287 |
/* defined in tcos.c */ |
| 288 |
extern double tcos(double x); |
| 289 |
/* defined in wordfile.c */ |
| 290 |
extern int wordfile(char **words, char *fname); |
| 291 |
extern int wordstring(char **avl, char *str); |
| 292 |
/* defined in words.c */ |
| 293 |
extern char *atos(char *rs, int nb, char *s); |
| 294 |
extern char *nextword(char *cp, int nb, char *s); |
| 295 |
extern char *sskip(char *s); |
| 296 |
extern char *sskip2(char *s, int n); |
| 297 |
extern char *iskip(char *s); |
| 298 |
extern char *fskip(char *s); |
| 299 |
extern int isint(char *s); |
| 300 |
extern int isintd(char *s, char *ds); |
| 301 |
extern int isflt(char *s); |
| 302 |
extern int isfltd(char *s, char *ds); |
| 303 |
/* defined in xf.c */ |
| 304 |
extern int xf(XF *ret, int ac, char *av[]); |
| 305 |
extern int invxf(XF *ret, int ac, char *av[]); |
| 306 |
extern int fullxf(FULLXF *fx, int ac, char *av[]); |
| 307 |
/* defined in zeroes.c */ |
| 308 |
extern int quadtratic(double *r, double a, double b, double c); |
| 309 |
/* miscellaneous */ |
| 310 |
extern void eputs(char *s); |
| 311 |
extern void wputs(char *s); |
| 312 |
extern void quit(int code); |
| 313 |
|
| 314 |
#endif |
