25 |
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|
26 |
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#include "platform.h" |
27 |
|
#include "ray.h" |
28 |
+ |
#include "ambient.h" |
29 |
+ |
#include "source.h" |
30 |
|
#include "otypes.h" |
31 |
|
#include "resolu.h" |
32 |
+ |
#include "random.h" |
33 |
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|
34 |
|
CUBE thescene; /* our scene */ |
35 |
|
OBJECT nsceneobjs; /* number of objects in our scene */ |
47 |
|
|
48 |
|
int do_irrad = 0; /* compute irradiance? */ |
49 |
|
|
50 |
+ |
int rand_samp = 1; /* pure Monte Carlo sampling? */ |
51 |
+ |
|
52 |
|
void (*trace)() = NULL; /* trace call */ |
53 |
|
|
54 |
< |
extern void ambnotify(), tranotify(); |
55 |
< |
void (*addobjnotify[])() = {ambnotify, tranotify, NULL}; |
56 |
< |
char *tralist[128]; /* list of modifers to trace (or no) */ |
54 |
> |
#ifndef MAXMODLIST |
55 |
> |
#define MAXMODLIST 1024 /* maximum modifiers we'll track */ |
56 |
> |
#endif |
57 |
> |
|
58 |
> |
char *tralist[MAXMODLIST]; /* list of modifers to trace (or no) */ |
59 |
|
int traincl = -1; /* include == 1, exclude == 0 */ |
60 |
< |
#define MAXTSET 511 /* maximum number in trace set */ |
60 |
> |
#ifndef MAXTSET |
61 |
> |
#define MAXTSET 8191 /* maximum number in trace set */ |
62 |
> |
#endif |
63 |
|
OBJECT traset[MAXTSET+1]={0}; /* trace include/exclude set */ |
64 |
|
|
65 |
|
int hresolu = 0; /* horizontal (scan) size */ |
66 |
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int vresolu = 0; /* vertical resolution */ |
67 |
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|
68 |
|
double dstrsrc = 0.0; /* square source distribution */ |
69 |
< |
double shadthresh = .05; /* shadow threshold */ |
70 |
< |
double shadcert = .5; /* shadow certainty */ |
69 |
> |
double shadthresh = .03; /* shadow threshold */ |
70 |
> |
double shadcert = .75; /* shadow certainty */ |
71 |
|
int directrelay = 2; /* number of source relays */ |
72 |
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int vspretest = 512; /* virtual source pretest density */ |
73 |
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int directvis = 1; /* sources visible? */ |
83 |
|
|
84 |
|
int backvis = 1; /* back face visibility */ |
85 |
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|
86 |
< |
int maxdepth = 6; /* maximum recursion depth */ |
87 |
< |
double minweight = 4e-3; /* minimum ray weight */ |
86 |
> |
int maxdepth = -10; /* maximum recursion depth */ |
87 |
> |
double minweight = 2e-3; /* minimum ray weight */ |
88 |
|
|
89 |
|
char *ambfile = NULL; /* ambient file name */ |
90 |
|
COLOR ambval = BLKCOLOR; /* ambient value */ |
91 |
|
int ambvwt = 0; /* initial weight for ambient value */ |
92 |
< |
double ambacc = 0.2; /* ambient accuracy */ |
93 |
< |
int ambres = 128; /* ambient resolution */ |
94 |
< |
int ambdiv = 512; /* ambient divisions */ |
95 |
< |
int ambssamp = 0; /* ambient super-samples */ |
92 |
> |
double ambacc = 0.15; /* ambient accuracy */ |
93 |
> |
int ambres = 256; /* ambient resolution */ |
94 |
> |
int ambdiv = 1024; /* ambient divisions */ |
95 |
> |
int ambssamp = 512; /* ambient super-samples */ |
96 |
|
int ambounce = 0; /* ambient bounces */ |
97 |
< |
char *amblist[128]; /* ambient include/exclude list */ |
97 |
> |
char *amblist[AMBLLEN]; /* ambient include/exclude list */ |
98 |
|
int ambincl = -1; /* include == 1, exclude == 0 */ |
99 |
|
|
100 |
+ |
static int castonly = 0; |
101 |
|
|
102 |
|
static RAY thisray; /* for our convenience */ |
103 |
|
|
104 |
< |
static void oputo(), oputd(), oputv(), oputl(), oputL(), oputc(), |
105 |
< |
oputp(), oputn(), oputN(), oputs(), oputw(), oputm(); |
104 |
> |
typedef void putf_t(double v); |
105 |
> |
static putf_t puta, putd, putf; |
106 |
|
|
107 |
< |
static void ourtrace(), tabin(); |
108 |
< |
static void (*ray_out[16])(), (*every_out[16])(); |
109 |
< |
static int castonly = 0; |
107 |
> |
typedef void oputf_t(RAY *r); |
108 |
> |
static oputf_t oputo, oputd, oputv, oputV, oputl, oputL, oputc, oputp, |
109 |
> |
oputn, oputN, oputs, oputw, oputW, oputm, oputM, oputtilde; |
110 |
|
|
111 |
< |
static void puta(), putf(), putd(); |
111 |
> |
static void setoutput(char *vs); |
112 |
> |
static void tranotify(OBJECT obj); |
113 |
> |
static void bogusray(void); |
114 |
> |
static void rad(FVECT org, FVECT dir, double dmax); |
115 |
> |
static void irrad(FVECT org, FVECT dir); |
116 |
> |
static void printvals(RAY *r); |
117 |
> |
static int getvec(FVECT vec, int fmt, FILE *fp); |
118 |
> |
static void tabin(RAY *r); |
119 |
> |
static void ourtrace(RAY *r); |
120 |
|
|
121 |
< |
static void (*putreal)(); |
121 |
> |
static oputf_t *ray_out[16], *every_out[16]; |
122 |
> |
static putf_t *putreal; |
123 |
|
|
124 |
< |
void bogusray(), rad(), irrad(), printvals(); |
124 |
> |
void (*addobjnotify[])() = {ambnotify, tranotify, NULL}; |
125 |
|
|
126 |
|
|
127 |
|
void |
128 |
< |
quit(code) /* quit program */ |
129 |
< |
int code; |
128 |
> |
quit( /* quit program */ |
129 |
> |
int code |
130 |
> |
) |
131 |
|
{ |
132 |
|
#ifndef NON_POSIX /* XXX we don't clean up elsewhere? */ |
133 |
|
headclean(); /* delete header file */ |
137 |
|
} |
138 |
|
|
139 |
|
|
140 |
< |
char * |
141 |
< |
formstr(f) /* return format identifier */ |
142 |
< |
int f; |
140 |
> |
extern char * |
141 |
> |
formstr( /* return format identifier */ |
142 |
> |
int f |
143 |
> |
) |
144 |
|
{ |
145 |
|
switch (f) { |
146 |
|
case 'a': return("ascii"); |
152 |
|
} |
153 |
|
|
154 |
|
|
155 |
< |
void |
156 |
< |
rtrace(fname) /* trace rays from file */ |
157 |
< |
char *fname; |
155 |
> |
extern void |
156 |
> |
rtrace( /* trace rays from file */ |
157 |
> |
char *fname |
158 |
> |
) |
159 |
|
{ |
160 |
< |
long vcount = hresolu>1 ? hresolu*vresolu : vresolu; |
160 |
> |
unsigned long vcount = (hresolu > 1) ? (unsigned long)hresolu*vresolu |
161 |
> |
: vresolu; |
162 |
|
long nextflush = hresolu; |
163 |
|
FILE *fp; |
164 |
|
double d; |
170 |
|
sprintf(errmsg, "cannot open input file \"%s\"", fname); |
171 |
|
error(SYSTEM, errmsg); |
172 |
|
} |
150 |
– |
#ifdef _WIN32 |
173 |
|
if (inform != 'a') |
174 |
|
SET_FILE_BINARY(fp); |
153 |
– |
#endif |
175 |
|
/* set up output */ |
176 |
|
setoutput(outvals); |
177 |
|
switch (outform) { |
197 |
|
d = normalize(direc); |
198 |
|
if (d == 0.0) { /* zero ==> flush */ |
199 |
|
bogusray(); |
200 |
< |
if (--nextflush <= 0 || vcount <= 0) { |
200 |
> |
if (--nextflush <= 0 || !vcount) { |
201 |
|
fflush(stdout); |
202 |
|
nextflush = hresolu; |
203 |
|
} |
209 |
|
else |
210 |
|
rad(orig, direc, lim_dist ? d : 0.0); |
211 |
|
/* flush if time */ |
212 |
< |
if (--nextflush == 0) { |
212 |
> |
if (!--nextflush) { |
213 |
|
fflush(stdout); |
214 |
|
nextflush = hresolu; |
215 |
|
} |
216 |
|
} |
217 |
|
if (ferror(stdout)) |
218 |
|
error(SYSTEM, "write error"); |
219 |
< |
if (--vcount == 0) /* check for end */ |
219 |
> |
if (vcount && !--vcount) /* check for end */ |
220 |
|
break; |
221 |
|
} |
222 |
< |
fflush(stdout); |
223 |
< |
if (vcount > 0) |
224 |
< |
error(USER, "read error"); |
222 |
> |
if (fflush(stdout) < 0) |
223 |
> |
error(SYSTEM, "write error"); |
224 |
> |
if (vcount) |
225 |
> |
error(USER, "unexpected EOF on input"); |
226 |
|
if (fname != NULL) |
227 |
|
fclose(fp); |
228 |
|
} |
229 |
|
|
230 |
|
|
231 |
< |
setoutput(vs) /* set up output tables */ |
232 |
< |
register char *vs; |
231 |
> |
static void |
232 |
> |
trace_sources(void) /* trace rays to light sources, also */ |
233 |
|
{ |
234 |
< |
extern void (*trace)(); |
235 |
< |
register void (**table)() = ray_out; |
234 |
> |
int sn; |
235 |
> |
|
236 |
> |
for (sn = 0; sn < nsources; sn++) |
237 |
> |
source[sn].sflags |= SFOLLOW; |
238 |
> |
} |
239 |
|
|
240 |
+ |
|
241 |
+ |
static void |
242 |
+ |
setoutput( /* set up output tables */ |
243 |
+ |
register char *vs |
244 |
+ |
) |
245 |
+ |
{ |
246 |
+ |
register oputf_t **table = ray_out; |
247 |
+ |
|
248 |
|
castonly = 1; |
249 |
|
while (*vs) |
250 |
|
switch (*vs++) { |
251 |
+ |
case 'T': /* trace sources */ |
252 |
+ |
if (!*vs) break; |
253 |
+ |
trace_sources(); |
254 |
+ |
/* fall through */ |
255 |
|
case 't': /* trace */ |
256 |
+ |
if (!*vs) break; |
257 |
|
*table = NULL; |
258 |
|
table = every_out; |
259 |
|
trace = ourtrace; |
269 |
|
*table++ = oputv; |
270 |
|
castonly = 0; |
271 |
|
break; |
272 |
+ |
case 'V': /* contribution */ |
273 |
+ |
*table++ = oputV; |
274 |
+ |
if (ambounce > 0 && (ambacc > FTINY || ambssamp > 0)) |
275 |
+ |
error(WARNING, |
276 |
+ |
"-otV accuracy depends on -aa 0 -as 0"); |
277 |
+ |
break; |
278 |
|
case 'l': /* effective distance */ |
279 |
|
*table++ = oputl; |
280 |
|
castonly = 0; |
301 |
|
case 'w': /* weight */ |
302 |
|
*table++ = oputw; |
303 |
|
break; |
304 |
+ |
case 'W': /* coefficient */ |
305 |
+ |
*table++ = oputW; |
306 |
+ |
if (ambounce > 0 && (ambacc > FTINY || ambssamp > 0)) |
307 |
+ |
error(WARNING, |
308 |
+ |
"-otW accuracy depends on -aa 0 -as 0"); |
309 |
+ |
break; |
310 |
|
case 'm': /* modifier */ |
311 |
|
*table++ = oputm; |
312 |
|
break; |
313 |
+ |
case 'M': /* material */ |
314 |
+ |
*table++ = oputM; |
315 |
+ |
break; |
316 |
+ |
case '~': /* tilde */ |
317 |
+ |
*table++ = oputtilde; |
318 |
+ |
break; |
319 |
|
} |
320 |
|
*table = NULL; |
321 |
|
} |
322 |
|
|
323 |
|
|
324 |
< |
void |
325 |
< |
bogusray() /* print out empty record */ |
324 |
> |
static void |
325 |
> |
bogusray(void) /* print out empty record */ |
326 |
|
{ |
327 |
|
thisray.rorg[0] = thisray.rorg[1] = thisray.rorg[2] = |
328 |
|
thisray.rdir[0] = thisray.rdir[1] = thisray.rdir[2] = 0.0; |
329 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
329 |
> |
thisray.rmax = 0.0; |
330 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
331 |
|
printvals(&thisray); |
332 |
|
} |
333 |
|
|
334 |
|
|
335 |
< |
void |
336 |
< |
rad(org, dir, dmax) /* compute and print ray value(s) */ |
337 |
< |
FVECT org, dir; |
338 |
< |
double dmax; |
335 |
> |
static void |
336 |
> |
rad( /* compute and print ray value(s) */ |
337 |
> |
FVECT org, |
338 |
> |
FVECT dir, |
339 |
> |
double dmax |
340 |
> |
) |
341 |
|
{ |
342 |
|
VCOPY(thisray.rorg, org); |
343 |
|
VCOPY(thisray.rdir, dir); |
344 |
|
thisray.rmax = dmax; |
345 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
345 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
346 |
|
if (castonly) { |
347 |
|
if (!localhit(&thisray, &thescene)) { |
348 |
|
if (thisray.ro == &Aftplane) { /* clipped */ |
357 |
|
} |
358 |
|
|
359 |
|
|
360 |
< |
void |
361 |
< |
irrad(org, dir) /* compute immediate irradiance value */ |
362 |
< |
FVECT org, dir; |
360 |
> |
static void |
361 |
> |
irrad( /* compute immediate irradiance value */ |
362 |
> |
FVECT org, |
363 |
> |
FVECT dir |
364 |
> |
) |
365 |
|
{ |
366 |
|
register int i; |
367 |
|
|
369 |
|
thisray.rorg[i] = org[i] + dir[i]; |
370 |
|
thisray.rdir[i] = -dir[i]; |
371 |
|
} |
372 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
372 |
> |
thisray.rmax = 0.0; |
373 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
374 |
|
/* pretend we hit surface */ |
375 |
|
thisray.rot = 1.0-1e-4; |
376 |
|
thisray.rod = 1.0; |
383 |
|
} |
384 |
|
|
385 |
|
|
386 |
< |
void |
387 |
< |
printvals(r) /* print requested ray values */ |
388 |
< |
RAY *r; |
386 |
> |
static void |
387 |
> |
printvals( /* print requested ray values */ |
388 |
> |
RAY *r |
389 |
> |
) |
390 |
|
{ |
391 |
< |
register void (**tp)(); |
391 |
> |
register oputf_t **tp; |
392 |
|
|
393 |
|
if (ray_out[0] == NULL) |
394 |
|
return; |
399 |
|
} |
400 |
|
|
401 |
|
|
402 |
< |
int |
403 |
< |
getvec(vec, fmt, fp) /* get a vector from fp */ |
404 |
< |
register FVECT vec; |
405 |
< |
int fmt; |
406 |
< |
FILE *fp; |
402 |
> |
static int |
403 |
> |
getvec( /* get a vector from fp */ |
404 |
> |
register FVECT vec, |
405 |
> |
int fmt, |
406 |
> |
FILE *fp |
407 |
> |
) |
408 |
|
{ |
409 |
|
static float vf[3]; |
410 |
|
static double vd[3]; |
437 |
|
} |
438 |
|
|
439 |
|
|
440 |
< |
void |
441 |
< |
tranotify(obj) /* record new modifier */ |
442 |
< |
OBJECT obj; |
440 |
> |
static void |
441 |
> |
tranotify( /* record new modifier */ |
442 |
> |
OBJECT obj |
443 |
> |
) |
444 |
|
{ |
445 |
|
static int hitlimit = 0; |
446 |
|
register OBJREC *o = objptr(obj); |
467 |
|
|
468 |
|
|
469 |
|
static void |
470 |
< |
ourtrace(r) /* print ray values */ |
471 |
< |
RAY *r; |
470 |
> |
ourtrace( /* print ray values */ |
471 |
> |
RAY *r |
472 |
> |
) |
473 |
|
{ |
474 |
< |
register void (**tp)(); |
474 |
> |
register oputf_t **tp; |
475 |
|
|
476 |
|
if (every_out[0] == NULL) |
477 |
|
return; |
483 |
|
tabin(r); |
484 |
|
for (tp = every_out; *tp != NULL; tp++) |
485 |
|
(**tp)(r); |
486 |
< |
putchar('\n'); |
486 |
> |
if (outform == 'a') |
487 |
> |
putchar('\n'); |
488 |
|
} |
489 |
|
|
490 |
|
|
491 |
|
static void |
492 |
< |
tabin(r) /* tab in appropriate amount */ |
493 |
< |
RAY *r; |
492 |
> |
tabin( /* tab in appropriate amount */ |
493 |
> |
RAY *r |
494 |
> |
) |
495 |
|
{ |
496 |
< |
register RAY *rp; |
496 |
> |
const RAY *rp; |
497 |
|
|
498 |
|
for (rp = r->parent; rp != NULL; rp = rp->parent) |
499 |
|
putchar('\t'); |
501 |
|
|
502 |
|
|
503 |
|
static void |
504 |
< |
oputo(r) /* print origin */ |
505 |
< |
RAY *r; |
504 |
> |
oputo( /* print origin */ |
505 |
> |
RAY *r |
506 |
> |
) |
507 |
|
{ |
508 |
|
(*putreal)(r->rorg[0]); |
509 |
|
(*putreal)(r->rorg[1]); |
512 |
|
|
513 |
|
|
514 |
|
static void |
515 |
< |
oputd(r) /* print direction */ |
516 |
< |
RAY *r; |
515 |
> |
oputd( /* print direction */ |
516 |
> |
RAY *r |
517 |
> |
) |
518 |
|
{ |
519 |
|
(*putreal)(r->rdir[0]); |
520 |
|
(*putreal)(r->rdir[1]); |
523 |
|
|
524 |
|
|
525 |
|
static void |
526 |
< |
oputv(r) /* print value */ |
527 |
< |
RAY *r; |
526 |
> |
oputv( /* print value */ |
527 |
> |
RAY *r |
528 |
> |
) |
529 |
|
{ |
459 |
– |
COLR cout; |
460 |
– |
|
530 |
|
if (outform == 'c') { |
531 |
+ |
COLR cout; |
532 |
|
setcolr(cout, colval(r->rcol,RED), |
533 |
|
colval(r->rcol,GRN), |
534 |
|
colval(r->rcol,BLU)); |
542 |
|
|
543 |
|
|
544 |
|
static void |
545 |
< |
oputl(r) /* print effective distance */ |
546 |
< |
RAY *r; |
545 |
> |
oputV( /* print value contribution */ |
546 |
> |
RAY *r |
547 |
> |
) |
548 |
|
{ |
549 |
+ |
double contr[3]; |
550 |
+ |
|
551 |
+ |
raycontrib(contr, r, PRIMARY); |
552 |
+ |
multcolor(contr, r->rcol); |
553 |
+ |
(*putreal)(contr[RED]); |
554 |
+ |
(*putreal)(contr[GRN]); |
555 |
+ |
(*putreal)(contr[BLU]); |
556 |
+ |
} |
557 |
+ |
|
558 |
+ |
|
559 |
+ |
static void |
560 |
+ |
oputl( /* print effective distance */ |
561 |
+ |
RAY *r |
562 |
+ |
) |
563 |
+ |
{ |
564 |
|
(*putreal)(r->rt); |
565 |
|
} |
566 |
|
|
567 |
|
|
568 |
|
static void |
569 |
< |
oputL(r) /* print single ray length */ |
570 |
< |
RAY *r; |
569 |
> |
oputL( /* print single ray length */ |
570 |
> |
RAY *r |
571 |
> |
) |
572 |
|
{ |
573 |
|
(*putreal)(r->rot); |
574 |
|
} |
575 |
|
|
576 |
|
|
577 |
|
static void |
578 |
< |
oputc(r) /* print local coordinates */ |
579 |
< |
RAY *r; |
578 |
> |
oputc( /* print local coordinates */ |
579 |
> |
RAY *r |
580 |
> |
) |
581 |
|
{ |
582 |
|
(*putreal)(r->uv[0]); |
583 |
|
(*putreal)(r->uv[1]); |
585 |
|
|
586 |
|
|
587 |
|
static void |
588 |
< |
oputp(r) /* print point */ |
589 |
< |
RAY *r; |
588 |
> |
oputp( /* print point */ |
589 |
> |
RAY *r |
590 |
> |
) |
591 |
|
{ |
592 |
|
if (r->rot < FHUGE) { |
593 |
|
(*putreal)(r->rop[0]); |
602 |
|
|
603 |
|
|
604 |
|
static void |
605 |
< |
oputN(r) /* print unperturbed normal */ |
606 |
< |
RAY *r; |
605 |
> |
oputN( /* print unperturbed normal */ |
606 |
> |
RAY *r |
607 |
> |
) |
608 |
|
{ |
609 |
|
if (r->rot < FHUGE) { |
610 |
|
(*putreal)(r->ron[0]); |
619 |
|
|
620 |
|
|
621 |
|
static void |
622 |
< |
oputn(r) /* print perturbed normal */ |
623 |
< |
RAY *r; |
622 |
> |
oputn( /* print perturbed normal */ |
623 |
> |
RAY *r |
624 |
> |
) |
625 |
|
{ |
626 |
|
FVECT pnorm; |
627 |
|
|
639 |
|
|
640 |
|
|
641 |
|
static void |
642 |
< |
oputs(r) /* print name */ |
643 |
< |
RAY *r; |
642 |
> |
oputs( /* print name */ |
643 |
> |
RAY *r |
644 |
> |
) |
645 |
|
{ |
646 |
|
if (r->ro != NULL) |
647 |
|
fputs(r->ro->oname, stdout); |
652 |
|
|
653 |
|
|
654 |
|
static void |
655 |
< |
oputw(r) /* print weight */ |
656 |
< |
RAY *r; |
655 |
> |
oputw( /* print weight */ |
656 |
> |
RAY *r |
657 |
> |
) |
658 |
|
{ |
659 |
|
(*putreal)(r->rweight); |
660 |
|
} |
661 |
|
|
662 |
|
|
663 |
|
static void |
664 |
< |
oputm(r) /* print modifier */ |
665 |
< |
RAY *r; |
664 |
> |
oputW( /* print coefficient */ |
665 |
> |
RAY *r |
666 |
> |
) |
667 |
|
{ |
668 |
+ |
double contr[3]; |
669 |
+ |
|
670 |
+ |
raycontrib(contr, r, PRIMARY); |
671 |
+ |
(*putreal)(contr[RED]); |
672 |
+ |
(*putreal)(contr[GRN]); |
673 |
+ |
(*putreal)(contr[BLU]); |
674 |
+ |
} |
675 |
+ |
|
676 |
+ |
|
677 |
+ |
static void |
678 |
+ |
oputm( /* print modifier */ |
679 |
+ |
RAY *r |
680 |
+ |
) |
681 |
+ |
{ |
682 |
|
if (r->ro != NULL) |
683 |
|
if (r->ro->omod != OVOID) |
684 |
|
fputs(objptr(r->ro->omod)->oname, stdout); |
691 |
|
|
692 |
|
|
693 |
|
static void |
694 |
< |
puta(v) /* print ascii value */ |
695 |
< |
double v; |
694 |
> |
oputM( /* print material */ |
695 |
> |
RAY *r |
696 |
> |
) |
697 |
> |
{ |
698 |
> |
OBJREC *mat; |
699 |
> |
|
700 |
> |
if (r->ro != NULL) { |
701 |
> |
if ((mat = findmaterial(r->ro)) != NULL) |
702 |
> |
fputs(mat->oname, stdout); |
703 |
> |
else |
704 |
> |
fputs(VOIDID, stdout); |
705 |
> |
} else |
706 |
> |
putchar('*'); |
707 |
> |
putchar('\t'); |
708 |
> |
} |
709 |
> |
|
710 |
> |
|
711 |
> |
static void |
712 |
> |
oputtilde( /* output tilde (spacer) */ |
713 |
> |
RAY *r |
714 |
> |
) |
715 |
> |
{ |
716 |
> |
fputs("~\t", stdout); |
717 |
> |
} |
718 |
> |
|
719 |
> |
|
720 |
> |
static void |
721 |
> |
puta( /* print ascii value */ |
722 |
> |
double v |
723 |
> |
) |
724 |
|
{ |
725 |
|
printf("%e\t", v); |
726 |
|
} |