5 |
|
* General matrix operations. |
6 |
|
*/ |
7 |
|
|
8 |
– |
#include <stdio.h> |
8 |
|
#include <stdlib.h> |
10 |
– |
#include <string.h> |
11 |
– |
#include <fcntl.h> |
9 |
|
#include <errno.h> |
10 |
|
#include "rtio.h" |
11 |
|
#include "platform.h" |
25 |
|
return(NULL); |
26 |
|
dnew = (RMATRIX *)malloc(sizeof(RMATRIX)-sizeof(dnew->mtx) + |
27 |
|
sizeof(dnew->mtx[0])*(n*nr*nc)); |
28 |
< |
if (dnew == NULL) |
28 |
> |
if (!dnew) |
29 |
|
return(NULL); |
30 |
|
dnew->nrows = nr; dnew->ncols = nc; dnew->ncomp = n; |
31 |
|
dnew->dtype = DTdouble; |
32 |
+ |
dnew->swapin = 0; |
33 |
|
dnew->info = NULL; |
34 |
|
return(dnew); |
35 |
|
} |
61 |
|
int |
62 |
|
rmx_addinfo(RMATRIX *rm, const char *info) |
63 |
|
{ |
64 |
< |
if (!info || !*info) |
64 |
> |
if (!rm || !info || !*info) |
65 |
|
return(0); |
66 |
|
if (!rm->info) { |
67 |
|
rm->info = (char *)malloc(strlen(info)+1); |
79 |
|
get_dminfo(char *s, void *p) |
80 |
|
{ |
81 |
|
RMATRIX *ip = (RMATRIX *)p; |
82 |
< |
char fmt[64]; |
82 |
> |
char fmt[MAXFMTLEN]; |
83 |
|
int i; |
84 |
|
|
85 |
|
if (headidval(fmt, s)) |
96 |
|
ip->ncols = atoi(s+6); |
97 |
|
return(0); |
98 |
|
} |
99 |
+ |
if ((i = isbigendian(s)) >= 0) { |
100 |
+ |
ip->swapin = (nativebigendian() != i); |
101 |
+ |
return(0); |
102 |
+ |
} |
103 |
|
if (!formatval(fmt, s)) { |
104 |
|
rmx_addinfo(ip, s); |
105 |
|
return(0); |
139 |
|
for (j = 0; j < rm->ncols; j++) { |
140 |
|
if (getbinary(val, sizeof(val[0]), rm->ncomp, fp) != rm->ncomp) |
141 |
|
return(0); |
142 |
+ |
if (rm->swapin) |
143 |
+ |
swap32((char *)val, rm->ncomp); |
144 |
|
for (k = rm->ncomp; k--; ) |
145 |
|
rmx_lval(rm,i,j,k) = val[k]; |
146 |
|
} |
153 |
|
int i, j; |
154 |
|
|
155 |
|
for (i = 0; i < rm->nrows; i++) |
156 |
< |
for (j = 0; j < rm->ncols; j++) |
156 |
> |
for (j = 0; j < rm->ncols; j++) { |
157 |
|
if (getbinary(&rmx_lval(rm,i,j,0), sizeof(double), rm->ncomp, fp) != rm->ncomp) |
158 |
|
return(0); |
159 |
+ |
if (rm->swapin) |
160 |
+ |
swap64((char *)&rmx_lval(rm,i,j,0), rm->ncomp); |
161 |
+ |
} |
162 |
|
return(1); |
163 |
|
} |
164 |
|
|
168 |
|
COLOR *scan = (COLOR *)malloc(sizeof(COLOR)*rm->ncols); |
169 |
|
int i, j; |
170 |
|
|
171 |
< |
if (scan == NULL) |
171 |
> |
if (!scan) |
172 |
|
return(0); |
173 |
|
for (i = 0; i < rm->nrows; i++) { |
174 |
|
if (freadscan(scan, rm->ncols, fp) < 0) { |
193 |
|
RMATRIX dinfo; |
194 |
|
RMATRIX *dnew; |
195 |
|
|
196 |
< |
if (inspec == NULL) { /* reading from stdin? */ |
196 |
> |
if (!inspec) { /* reading from stdin? */ |
197 |
|
inspec = "<stdin>"; |
198 |
|
SET_FILE_BINARY(stdin); |
199 |
|
} else if (inspec[0] == '!') { |
200 |
< |
if ((fp = popen(inspec+1, "r")) == NULL) |
200 |
> |
if (!(fp = popen(inspec+1, "r"))) |
201 |
|
return(NULL); |
202 |
< |
SET_FILE_BINARY(stdin); |
202 |
> |
SET_FILE_BINARY(fp); |
203 |
|
} else { |
204 |
|
const char *sp = inspec; /* check suffix */ |
205 |
|
while (*sp) |
208 |
|
--sp; |
209 |
|
if (!strcasecmp(sp, "XML")) { /* assume it's a BSDF */ |
210 |
|
CMATRIX *cm = cm_loadBTDF((char *)inspec); |
211 |
< |
if (cm == NULL) |
211 |
> |
if (!cm) |
212 |
|
return(NULL); |
213 |
|
dnew = rmx_from_cmatrix(cm); |
214 |
|
cm_free(cm); |
216 |
|
return(dnew); |
217 |
|
} |
218 |
|
/* else open it ourselves */ |
219 |
< |
if ((fp = fopen(inspec, "rb")) == NULL) |
219 |
> |
if (!(fp = fopen(inspec, "rb"))) |
220 |
|
return(NULL); |
221 |
|
} |
222 |
|
#ifdef getc_unlocked |
224 |
|
#endif |
225 |
|
dinfo.nrows = dinfo.ncols = dinfo.ncomp = 0; |
226 |
|
dinfo.dtype = DTascii; /* assumed w/o FORMAT */ |
227 |
+ |
dinfo.swapin = 0; |
228 |
|
dinfo.info = NULL; |
229 |
|
if (getheader(fp, get_dminfo, &dinfo) < 0) { |
230 |
|
fclose(fp); |
244 |
|
} |
245 |
|
} |
246 |
|
dnew = rmx_alloc(dinfo.nrows, dinfo.ncols, dinfo.ncomp); |
247 |
< |
if (dnew == NULL) { |
247 |
> |
if (!dnew) { |
248 |
|
fclose(fp); |
249 |
|
return(NULL); |
250 |
|
} |
251 |
|
dnew->info = dinfo.info; |
252 |
|
switch (dinfo.dtype) { |
253 |
|
case DTascii: |
254 |
< |
SET_FILE_TEXT(stdin); |
254 |
> |
SET_FILE_TEXT(fp); |
255 |
|
if (!rmx_load_ascii(dnew, fp)) |
256 |
|
goto loaderr; |
257 |
|
dnew->dtype = DTascii; /* should leave double? */ |
258 |
|
break; |
259 |
|
case DTfloat: |
260 |
+ |
dnew->swapin = dinfo.swapin; |
261 |
|
if (!rmx_load_float(dnew, fp)) |
262 |
|
goto loaderr; |
263 |
|
dnew->dtype = DTfloat; |
264 |
|
break; |
265 |
|
case DTdouble: |
266 |
+ |
dnew->swapin = dinfo.swapin; |
267 |
|
if (!rmx_load_double(dnew, fp)) |
268 |
|
goto loaderr; |
269 |
|
dnew->dtype = DTdouble; |
300 |
|
static int |
301 |
|
rmx_write_ascii(const RMATRIX *rm, FILE *fp) |
302 |
|
{ |
303 |
+ |
const char *fmt = (rm->dtype == DTfloat) ? " %.7e" : |
304 |
+ |
(rm->dtype == DTrgbe) | (rm->dtype == DTxyze) ? " %.3e" : |
305 |
+ |
" %.15e" ; |
306 |
|
int i, j, k; |
307 |
|
|
308 |
|
for (i = 0; i < rm->nrows; i++) { |
309 |
|
for (j = 0; j < rm->ncols; j++) { |
310 |
|
for (k = 0; k < rm->ncomp; k++) |
311 |
< |
fprintf(fp, " %.15e", rmx_lval(rm,i,j,k)); |
311 |
> |
fprintf(fp, fmt, rmx_lval(rm,i,j,k)); |
312 |
|
fputc('\t', fp); |
313 |
|
} |
314 |
|
fputc('\n', fp); |
354 |
|
COLR *scan = (COLR *)malloc(sizeof(COLR)*rm->ncols); |
355 |
|
int i, j; |
356 |
|
|
357 |
< |
if (scan == NULL) |
357 |
> |
if (!scan) |
358 |
|
return(0); |
359 |
|
for (i = 0; i < rm->nrows; i++) { |
360 |
|
for (j = rm->ncols; j--; ) |
377 |
|
RMATRIX *mydm = NULL; |
378 |
|
int ok = 1; |
379 |
|
|
380 |
< |
if ((rm == NULL) | (fp == NULL)) |
380 |
> |
if (!rm | !fp) |
381 |
|
return(0); |
382 |
|
#ifdef getc_unlocked |
383 |
|
flockfile(fp); |
401 |
|
return(0); |
402 |
|
cmtx[0] = cmtx[1] = cmtx[2] = 1; |
403 |
|
mydm = rmx_transform(rm, 3, cmtx); |
404 |
< |
if (mydm == NULL) |
404 |
> |
if (!mydm) |
405 |
|
return(0); |
406 |
|
rm = mydm; |
407 |
|
} |
408 |
+ |
if ((dtype == DTfloat) | (dtype == DTdouble)) |
409 |
+ |
fputendian(fp); /* important to record */ |
410 |
|
fputformat((char *)cm_fmt_id[dtype], fp); |
411 |
|
fputc('\n', fp); |
412 |
|
switch (dtype) { /* write data */ |
431 |
|
#ifdef getc_unlocked |
432 |
|
funlockfile(fp); |
433 |
|
#endif |
434 |
< |
rmx_free(mydm); |
434 |
> |
if (mydm) |
435 |
> |
rmx_free(mydm); |
436 |
|
return(ok); |
437 |
|
} |
438 |
|
|
443 |
|
RMATRIX *rid = rmx_alloc(dim, dim, n); |
444 |
|
int i, k; |
445 |
|
|
446 |
< |
if (rid == NULL) |
446 |
> |
if (!rid) |
447 |
|
return(NULL); |
448 |
|
memset(rid->mtx, 0, sizeof(rid->mtx[0])*n*dim*dim); |
449 |
|
for (i = dim; i--; ) |
458 |
|
{ |
459 |
|
RMATRIX *dnew; |
460 |
|
|
461 |
< |
if (rm == NULL) |
461 |
> |
if (!rm) |
462 |
|
return(NULL); |
463 |
|
dnew = rmx_alloc(rm->nrows, rm->ncols, rm->ncomp); |
464 |
< |
if (dnew == NULL) |
464 |
> |
if (!dnew) |
465 |
|
return(NULL); |
466 |
|
rmx_addinfo(dnew, rm->info); |
467 |
|
dnew->dtype = rm->dtype; |
477 |
|
RMATRIX *dnew; |
478 |
|
int i, j, k; |
479 |
|
|
480 |
< |
if (rm == NULL) |
480 |
> |
if (!rm) |
481 |
|
return(0); |
482 |
+ |
if ((rm->nrows == 1) | (rm->ncols == 1)) { |
483 |
+ |
dnew = rmx_copy(rm); |
484 |
+ |
if (!dnew) |
485 |
+ |
return(NULL); |
486 |
+ |
dnew->nrows = rm->ncols; |
487 |
+ |
dnew->ncols = rm->nrows; |
488 |
+ |
return(dnew); |
489 |
+ |
} |
490 |
|
dnew = rmx_alloc(rm->ncols, rm->nrows, rm->ncomp); |
491 |
< |
if (dnew == NULL) |
491 |
> |
if (!dnew) |
492 |
|
return(NULL); |
493 |
|
if (rm->info) { |
494 |
|
rmx_addinfo(dnew, rm->info); |
509 |
|
RMATRIX *mres; |
510 |
|
int i, j, k, h; |
511 |
|
|
512 |
< |
if ((m1 == NULL) | (m2 == NULL) || |
489 |
< |
(m1->ncomp != m2->ncomp) | (m1->ncols != m2->nrows)) |
512 |
> |
if (!m1 | !m2 || (m1->ncomp != m2->ncomp) | (m1->ncols != m2->nrows)) |
513 |
|
return(NULL); |
514 |
|
mres = rmx_alloc(m1->nrows, m2->ncols, m1->ncomp); |
515 |
< |
if (mres == NULL) |
515 |
> |
if (!mres) |
516 |
|
return(NULL); |
517 |
|
i = rmx_newtype(m1->dtype, m2->dtype); |
518 |
|
if (i) |
537 |
|
int zeroDivides = 0; |
538 |
|
int i, j, k; |
539 |
|
|
540 |
< |
if ((m1 == NULL) | (m2 == NULL) || |
518 |
< |
(m1->ncols != m2->ncols) | (m1->nrows != m2->nrows)) |
540 |
> |
if (!m1 | !m2 || (m1->ncols != m2->ncols) | (m1->nrows != m2->nrows)) |
541 |
|
return(0); |
542 |
|
if ((m2->ncomp > 1) & (m2->ncomp != m1->ncomp)) |
543 |
|
return(0); |
580 |
|
rmx_lval(m1,i,j,k) *= rmx_lval(m2,i,j,k); |
581 |
|
} |
582 |
|
if (zeroDivides) { |
583 |
< |
fputs("Divide by zero in rmx_elemult()\n", stderr); |
583 |
> |
rmx_addinfo(m1, "WARNING: zero divide(s) corrupted results\n"); |
584 |
|
errno = ERANGE; |
585 |
|
} |
586 |
|
return(1); |
593 |
|
double *mysf = NULL; |
594 |
|
int i, j, k; |
595 |
|
|
596 |
< |
if ((msum == NULL) | (madd == NULL) || |
596 |
> |
if (!msum | !madd || |
597 |
|
(msum->nrows != madd->nrows) | |
598 |
|
(msum->ncols != madd->ncols) | |
599 |
|
(msum->ncomp != madd->ncomp)) |
600 |
|
return(0); |
601 |
< |
if (sf == NULL) { |
601 |
> |
if (!sf) { |
602 |
|
mysf = (double *)malloc(sizeof(double)*msum->ncomp); |
603 |
< |
if (mysf == NULL) |
603 |
> |
if (!mysf) |
604 |
|
return(0); |
605 |
|
for (k = msum->ncomp; k--; ) |
606 |
|
mysf[k] = 1; |
615 |
|
for (j = msum->ncols; j--; ) |
616 |
|
for (k = msum->ncomp; k--; ) |
617 |
|
rmx_lval(msum,i,j,k) += sf[k] * rmx_lval(madd,i,j,k); |
618 |
< |
|
619 |
< |
free(mysf); |
618 |
> |
if (mysf) |
619 |
> |
free(mysf); |
620 |
|
return(1); |
621 |
|
} |
622 |
|
|
626 |
|
{ |
627 |
|
int i, j, k; |
628 |
|
|
629 |
< |
if ((rm == NULL) | (sf == NULL)) |
629 |
> |
if (!rm | !sf) |
630 |
|
return(0); |
631 |
|
for (i = rm->nrows; i--; ) |
632 |
|
for (j = rm->ncols; j--; ) |
645 |
|
int i, j, ks, kd; |
646 |
|
RMATRIX *dnew; |
647 |
|
|
648 |
< |
if ((msrc == NULL) | (n <= 0) | (cmat == NULL)) |
648 |
> |
if (!msrc | (n <= 0) | !cmat) |
649 |
|
return(NULL); |
650 |
|
dnew = rmx_alloc(msrc->nrows, msrc->ncols, n); |
651 |
< |
if (dnew == NULL) |
651 |
> |
if (!dnew) |
652 |
|
return(NULL); |
653 |
|
if (msrc->info) { |
654 |
|
char buf[128]; |
655 |
< |
sprintf(buf, "Applied %dx%d matrix transform\n", |
655 |
> |
sprintf(buf, "Applied %dx%d component transform\n", |
656 |
|
dnew->ncomp, msrc->ncomp); |
657 |
|
rmx_addinfo(dnew, msrc->info); |
658 |
|
rmx_addinfo(dnew, buf); |
676 |
|
int i, j; |
677 |
|
RMATRIX *dnew; |
678 |
|
|
679 |
< |
if (cm == NULL) |
679 |
> |
if (!cm) |
680 |
|
return(NULL); |
681 |
|
dnew = rmx_alloc(cm->nrows, cm->ncols, 3); |
682 |
< |
if (dnew == NULL) |
682 |
> |
if (!dnew) |
683 |
|
return(NULL); |
684 |
|
dnew->dtype = DTfloat; |
685 |
|
for (i = dnew->nrows; i--; ) |
699 |
|
int i, j; |
700 |
|
CMATRIX *cnew; |
701 |
|
|
702 |
< |
if (rm == NULL || rm->ncomp != 3) |
702 |
> |
if (!rm || rm->ncomp != 3) |
703 |
|
return(NULL); |
704 |
|
cnew = cm_alloc(rm->nrows, rm->ncols); |
705 |
< |
if (cnew == NULL) |
705 |
> |
if (!cnew) |
706 |
|
return(NULL); |
707 |
|
for (i = cnew->nrows; i--; ) |
708 |
|
for (j = cnew->ncols; j--; ) { |