| 8 |
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*/ |
| 9 |
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| 10 |
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#include <stdio.h> |
| 11 |
< |
|
| 11 |
> |
#include <string.h> |
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#include <stdlib.h> |
| 13 |
– |
|
| 13 |
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#include <ctype.h> |
| 15 |
– |
|
| 14 |
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#include <signal.h> |
| 15 |
+ |
#include <math.h> |
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+ |
#include <unistd.h> /* XXX pipe() fork() etc, use common/process.c instead */ |
| 17 |
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|
| 18 |
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#include "random.h" |
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| 33 |
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|
| 34 |
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ANGLE alpha[181] = {90, AEND}; |
| 35 |
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ANGLE beta[181] = {30, 60, 90, 120, 150, AEND}; |
| 36 |
< |
ANGLE gamma[181] = {45, AEND}; |
| 36 |
> |
ANGLE sgamma[181] = {45, AEND}; /* gamma() is a function from gnu <math.h> */ |
| 37 |
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|
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char *target; /* target file name */ |
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double targetw = 3.0; /* target width (inches) */ |
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int xres = 16; /* x sample resolution */ |
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int yres = 16; /* y sample resolution */ |
| 43 |
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|
| 44 |
+ |
static void quit(int code); |
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+ |
static void setscan(ANGLE *ang, char *arg); |
| 46 |
+ |
static void doscan(void); |
| 47 |
+ |
static void scanend(FILE *fp); |
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+ |
static void makesource(ANGLE g); |
| 49 |
+ |
static void sendsamples(FILE *fp); |
| 50 |
+ |
static void writesample(FILE *fp, ANGLE a, ANGLE b); |
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+ |
static FILE * scanstart(ANGLE g); |
| 52 |
+ |
static double readsample(FILE *fp); |
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|
| 54 |
< |
main(argc, argv) |
| 55 |
< |
int argc; |
| 56 |
< |
char *argv[]; |
| 54 |
> |
int |
| 55 |
> |
main( |
| 56 |
> |
int argc, |
| 57 |
> |
char *argv[] |
| 58 |
> |
) |
| 59 |
|
{ |
| 49 |
– |
char *strcat(), *mktemp(); |
| 50 |
– |
int quit(); |
| 60 |
|
int i; |
| 61 |
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|
| 62 |
+ |
#ifdef SIGHUP |
| 63 |
|
signal(SIGHUP, quit); |
| 64 |
+ |
#endif |
| 65 |
|
signal(SIGINT, quit); |
| 66 |
|
signal(SIGTERM, quit); |
| 67 |
+ |
#ifdef SIGXCPU |
| 68 |
|
signal(SIGXCPU, SIG_IGN); |
| 69 |
|
signal(SIGXFSZ, SIG_IGN); |
| 70 |
+ |
#endif |
| 71 |
|
|
| 72 |
|
for (i = 1; i < argc && argv[i][0] == '-'; i++) |
| 73 |
|
switch (argv[i][1]) { |
| 108 |
|
break; |
| 109 |
|
case 'g': |
| 110 |
|
if (!strcmp(argv[i], "-gamma")) |
| 111 |
< |
setscan(gamma, argv[++i]); |
| 111 |
> |
setscan(sgamma, argv[++i]); |
| 112 |
|
else |
| 113 |
|
goto badopt; |
| 114 |
|
break; |
| 158 |
|
doscan(); |
| 159 |
|
|
| 160 |
|
quit(0); |
| 161 |
+ |
return 0; /* pro forma return */ |
| 162 |
|
} |
| 163 |
|
|
| 164 |
|
|
| 165 |
|
void |
| 166 |
< |
quit(code) /* unlink temp files and exit */ |
| 167 |
< |
int code; |
| 166 |
> |
quit( /* unlink temp files and exit */ |
| 167 |
> |
int code |
| 168 |
> |
) |
| 169 |
|
{ |
| 155 |
– |
int i; |
| 156 |
– |
|
| 170 |
|
unlink(sourcetemp); |
| 171 |
|
unlink(octreetemp); |
| 172 |
|
exit(code); |
| 173 |
|
} |
| 174 |
|
|
| 175 |
|
|
| 176 |
< |
setscan(ang, arg) /* set up scan according to arg */ |
| 177 |
< |
register ANGLE *ang; |
| 178 |
< |
register char *arg; |
| 176 |
> |
static void |
| 177 |
> |
setscan( /* set up scan according to arg */ |
| 178 |
> |
register ANGLE *ang, |
| 179 |
> |
register char *arg |
| 180 |
> |
) |
| 181 |
|
{ |
| 182 |
|
int start = 0, finish = -1, step = 1; |
| 183 |
|
|
| 226 |
|
} |
| 227 |
|
|
| 228 |
|
|
| 229 |
< |
doscan() /* do scan for target */ |
| 229 |
> |
static void |
| 230 |
> |
doscan(void) /* do scan for target */ |
| 231 |
|
{ |
| 216 |
– |
FILE *fopen(), *scanstart(); |
| 217 |
– |
double readsample(); |
| 232 |
|
FILE *fp; |
| 233 |
|
ANGLE *a, *b, *g; |
| 234 |
|
|
| 235 |
|
printf("Alpha\tBeta\tGamma\tDistribution for \"%s\"\n", target); |
| 236 |
< |
for (g = gamma; *g != AEND; g++) { |
| 236 |
> |
for (g = sgamma; *g != AEND; g++) { |
| 237 |
|
fp = scanstart(*g); |
| 238 |
|
for (b = beta; *b != AEND; b++) /* read data */ |
| 239 |
|
for (a = alpha; *a != AEND; a++) |
| 244 |
|
} |
| 245 |
|
|
| 246 |
|
|
| 247 |
< |
FILE * |
| 248 |
< |
scanstart(g) /* open scanner pipeline */ |
| 249 |
< |
ANGLE g; |
| 247 |
> |
static FILE * |
| 248 |
> |
scanstart( /* open scanner pipeline */ |
| 249 |
> |
ANGLE g |
| 250 |
> |
) |
| 251 |
|
{ |
| 237 |
– |
char *fgets(); |
| 252 |
|
int p1[2], p2[2]; |
| 253 |
|
int pid; |
| 254 |
|
FILE *fp; |
| 298 |
|
err: |
| 299 |
|
fprintf(stderr, "System error in scanstart\n"); |
| 300 |
|
quit(1); |
| 301 |
+ |
return NULL; /* pro forma return */ |
| 302 |
|
} |
| 303 |
|
|
| 304 |
|
|
| 305 |
< |
scanend(fp) /* done with scanner input */ |
| 306 |
< |
FILE *fp; |
| 305 |
> |
static void |
| 306 |
> |
scanend( /* done with scanner input */ |
| 307 |
> |
FILE *fp |
| 308 |
> |
) |
| 309 |
|
{ |
| 310 |
|
fclose(fp); |
| 311 |
|
} |
| 312 |
|
|
| 313 |
|
|
| 314 |
< |
makesource(g) /* make a source (output normalized) */ |
| 315 |
< |
ANGLE g; |
| 314 |
> |
static void |
| 315 |
> |
makesource( /* make a source (output normalized) */ |
| 316 |
> |
ANGLE g |
| 317 |
> |
) |
| 318 |
|
{ |
| 319 |
< |
FILE *fp, *fopen(); |
| 320 |
< |
double srcdir[3], sin(), cos(); |
| 319 |
> |
FILE *fp; |
| 320 |
> |
double srcdir[3]; |
| 321 |
|
|
| 322 |
|
srcdir[0] = sin(atorad(g)); |
| 323 |
|
srcdir[1] = 0.0; |
| 335 |
|
} |
| 336 |
|
|
| 337 |
|
|
| 338 |
< |
sendsamples(fp) /* send our samples to fp */ |
| 339 |
< |
FILE *fp; |
| 338 |
> |
static void |
| 339 |
> |
sendsamples( /* send our samples to fp */ |
| 340 |
> |
FILE *fp |
| 341 |
> |
) |
| 342 |
|
{ |
| 343 |
|
ANGLE *a, *b; |
| 344 |
|
|
| 348 |
|
} |
| 349 |
|
|
| 350 |
|
|
| 351 |
< |
writesample(fp, a, b) /* write out sample ray grid */ |
| 352 |
< |
FILE *fp; |
| 353 |
< |
ANGLE a, b; |
| 351 |
> |
static void |
| 352 |
> |
writesample( /* write out sample ray grid */ |
| 353 |
> |
FILE *fp, |
| 354 |
> |
ANGLE a, |
| 355 |
> |
ANGLE b |
| 356 |
> |
) |
| 357 |
|
{ |
| 334 |
– |
double sin(), cos(); |
| 358 |
|
float sp[6]; |
| 359 |
|
int i, j; |
| 360 |
|
|
| 378 |
|
} |
| 379 |
|
|
| 380 |
|
|
| 381 |
< |
double |
| 382 |
< |
readsample(fp) /* read in sample ray grid */ |
| 383 |
< |
FILE *fp; |
| 381 |
> |
static double |
| 382 |
> |
readsample( /* read in sample ray grid */ |
| 383 |
> |
FILE *fp |
| 384 |
> |
) |
| 385 |
|
{ |
| 386 |
|
double sum; |
| 387 |
|
float col[3]; |