5 |
|
* General matrix operations. |
6 |
|
*/ |
7 |
|
|
8 |
– |
#include <stdio.h> |
8 |
|
#include <stdlib.h> |
9 |
< |
#include <string.h> |
10 |
< |
#include <fcntl.h> |
9 |
> |
#include <errno.h> |
10 |
> |
#include "rtio.h" |
11 |
> |
#include "platform.h" |
12 |
|
#include "resolu.h" |
13 |
+ |
#include "paths.h" |
14 |
|
#include "rmatrix.h" |
15 |
+ |
#if !defined(_WIN32) && !defined(_WIN64) |
16 |
+ |
#include <sys/mman.h> |
17 |
+ |
#endif |
18 |
|
|
19 |
|
static char rmx_mismatch_warn[] = "WARNING: data type mismatch\n"; |
20 |
|
|
21 |
< |
/* Allocate a nr x nc matrix with n components */ |
21 |
> |
#define array_size(rm) (sizeof(double)*(rm)->nrows*(rm)->ncols*(rm)->ncomp) |
22 |
> |
#define mapped_size(rm) ((char *)(rm)->mtx + array_size(rm) - (char *)(rm)->mapped) |
23 |
> |
|
24 |
> |
/* Initialize a RMATRIX struct but don't allocate array space */ |
25 |
|
RMATRIX * |
26 |
+ |
rmx_new(int nr, int nc, int n) |
27 |
+ |
{ |
28 |
+ |
RMATRIX *dnew = (RMATRIX *)calloc(1, sizeof(RMATRIX)); |
29 |
+ |
|
30 |
+ |
if (dnew) { |
31 |
+ |
dnew->dtype = DTdouble; |
32 |
+ |
dnew->nrows = nr; |
33 |
+ |
dnew->ncols = nc; |
34 |
+ |
dnew->ncomp = n; |
35 |
+ |
} |
36 |
+ |
return(dnew); |
37 |
+ |
} |
38 |
+ |
|
39 |
+ |
/* Prepare a RMATRIX for writing (allocate array if needed) */ |
40 |
+ |
int |
41 |
+ |
rmx_prepare(RMATRIX *rm) |
42 |
+ |
{ |
43 |
+ |
if (!rm) return(0); |
44 |
+ |
if (rm->mtx) |
45 |
+ |
return(1); |
46 |
+ |
rm->mtx = (double *)malloc(array_size(rm)); |
47 |
+ |
return(rm->mtx != NULL); |
48 |
+ |
} |
49 |
+ |
|
50 |
+ |
/* Call rmx_new() and rmx_prepare() */ |
51 |
+ |
RMATRIX * |
52 |
|
rmx_alloc(int nr, int nc, int n) |
53 |
|
{ |
54 |
< |
RMATRIX *dnew; |
54 |
> |
RMATRIX *dnew = rmx_new(nr, nc, n); |
55 |
|
|
56 |
< |
if ((nr <= 0) | (nc <= 0) | (n <= 0)) |
57 |
< |
return(NULL); |
58 |
< |
dnew = (RMATRIX *)malloc(sizeof(RMATRIX)-sizeof(dnew->mtx) + |
59 |
< |
sizeof(dnew->mtx[0])*(n*nr*nc)); |
27 |
< |
if (dnew == NULL) |
28 |
< |
return(NULL); |
29 |
< |
dnew->nrows = nr; dnew->ncols = nc; dnew->ncomp = n; |
30 |
< |
dnew->dtype = DTdouble; |
31 |
< |
dnew->info = NULL; |
56 |
> |
if (dnew && !rmx_prepare(dnew)) { |
57 |
> |
rmx_free(dnew); |
58 |
> |
dnew = NULL; |
59 |
> |
} |
60 |
|
return(dnew); |
61 |
|
} |
62 |
|
|
67 |
|
if (!rm) return; |
68 |
|
if (rm->info) |
69 |
|
free(rm->info); |
70 |
+ |
#ifdef MAP_FILE |
71 |
+ |
if (rm->mapped) |
72 |
+ |
munmap(rm->mapped, mapped_size(rm)); |
73 |
+ |
else |
74 |
+ |
#endif |
75 |
+ |
free(rm->mtx); |
76 |
|
free(rm); |
77 |
|
} |
78 |
|
|
93 |
|
int |
94 |
|
rmx_addinfo(RMATRIX *rm, const char *info) |
95 |
|
{ |
96 |
< |
if (!info || !*info) |
96 |
> |
int oldlen = 0; |
97 |
> |
|
98 |
> |
if (!rm || !info || !*info) |
99 |
|
return(0); |
100 |
|
if (!rm->info) { |
101 |
|
rm->info = (char *)malloc(strlen(info)+1); |
102 |
|
if (rm->info) rm->info[0] = '\0'; |
103 |
< |
} else |
103 |
> |
} else { |
104 |
> |
oldlen = strlen(rm->info); |
105 |
|
rm->info = (char *)realloc(rm->info, |
106 |
< |
strlen(rm->info)+strlen(info)+1); |
106 |
> |
oldlen+strlen(info)+1); |
107 |
> |
} |
108 |
|
if (!rm->info) |
109 |
|
return(0); |
110 |
< |
strcat(rm->info, info); |
110 |
> |
strcpy(rm->info+oldlen, info); |
111 |
|
return(1); |
112 |
|
} |
113 |
|
|
115 |
|
get_dminfo(char *s, void *p) |
116 |
|
{ |
117 |
|
RMATRIX *ip = (RMATRIX *)p; |
118 |
< |
char fmt[64]; |
118 |
> |
char fmt[MAXFMTLEN]; |
119 |
|
int i; |
120 |
|
|
121 |
|
if (headidval(fmt, s)) |
132 |
|
ip->ncols = atoi(s+6); |
133 |
|
return(0); |
134 |
|
} |
135 |
+ |
if ((i = isbigendian(s)) >= 0) { |
136 |
+ |
ip->swapin = (nativebigendian() != i); |
137 |
+ |
return(0); |
138 |
+ |
} |
139 |
+ |
if (isexpos(s)) { |
140 |
+ |
float f = exposval(s); |
141 |
+ |
scalecolor(ip->cexp, f); |
142 |
+ |
return(0); |
143 |
+ |
} |
144 |
+ |
if (iscolcor(s)) { |
145 |
+ |
COLOR ctmp; |
146 |
+ |
colcorval(ctmp, s); |
147 |
+ |
multcolor(ip->cexp, ctmp); |
148 |
+ |
return(0); |
149 |
+ |
} |
150 |
|
if (!formatval(fmt, s)) { |
151 |
|
rmx_addinfo(ip, s); |
152 |
|
return(0); |
153 |
< |
} |
153 |
> |
} /* else check format */ |
154 |
|
for (i = 1; i < DTend; i++) |
155 |
|
if (!strcmp(fmt, cm_fmt_id[i])) { |
156 |
|
ip->dtype = i; |
163 |
|
rmx_load_ascii(RMATRIX *rm, FILE *fp) |
164 |
|
{ |
165 |
|
int i, j, k; |
166 |
< |
#ifdef _WIN32 |
167 |
< |
_setmode(fileno(fp), _O_TEXT); |
168 |
< |
#endif |
166 |
> |
|
167 |
> |
if (!rmx_prepare(rm)) |
168 |
> |
return(0); |
169 |
|
for (i = 0; i < rm->nrows; i++) |
170 |
|
for (j = 0; j < rm->ncols; j++) |
171 |
|
for (k = 0; k < rm->ncomp; k++) |
184 |
|
fputs("Unsupported # components in rmx_load_float()\n", stderr); |
185 |
|
exit(1); |
186 |
|
} |
187 |
+ |
if (!rmx_prepare(rm)) |
188 |
+ |
return(0); |
189 |
|
for (i = 0; i < rm->nrows; i++) |
190 |
|
for (j = 0; j < rm->ncols; j++) { |
191 |
< |
if (fread(val, sizeof(val[0]), rm->ncomp, fp) != rm->ncomp) |
191 |
> |
if (getbinary(val, sizeof(val[0]), rm->ncomp, fp) != rm->ncomp) |
192 |
|
return(0); |
193 |
+ |
if (rm->swapin) |
194 |
+ |
swap32((char *)val, rm->ncomp); |
195 |
|
for (k = rm->ncomp; k--; ) |
196 |
|
rmx_lval(rm,i,j,k) = val[k]; |
197 |
|
} |
201 |
|
static int |
202 |
|
rmx_load_double(RMATRIX *rm, FILE *fp) |
203 |
|
{ |
204 |
< |
int i, j, k; |
205 |
< |
double val[100]; |
206 |
< |
|
207 |
< |
if (rm->ncomp > 100) { |
208 |
< |
fputs("Unsupported # components in rmx_load_double()\n", stderr); |
209 |
< |
exit(1); |
204 |
> |
int i; |
205 |
> |
#ifdef MAP_FILE |
206 |
> |
long pos; /* map memory to file if possible */ |
207 |
> |
if (!rm->swapin && array_size(rm) >= 1L<<20 && |
208 |
> |
(pos = ftell(fp)) >= 0 && !(pos % sizeof(double))) { |
209 |
> |
rm->mapped = mmap(NULL, array_size(rm)+pos, PROT_READ|PROT_WRITE, |
210 |
> |
MAP_PRIVATE, fileno(fp), 0); |
211 |
> |
if (rm->mapped != MAP_FAILED) { |
212 |
> |
rm->mtx = (double *)rm->mapped + pos/sizeof(double); |
213 |
> |
return(1); |
214 |
> |
} |
215 |
> |
rm->mapped = NULL; |
216 |
|
} |
217 |
< |
for (i = 0; i < rm->nrows; i++) |
218 |
< |
for (j = 0; j < rm->ncols; j++) { |
219 |
< |
if (fread(val, sizeof(val[0]), rm->ncomp, fp) != rm->ncomp) |
220 |
< |
return(0); |
221 |
< |
for (k = rm->ncomp; k--; ) |
222 |
< |
rmx_lval(rm,i,j,k) = val[k]; |
223 |
< |
} |
217 |
> |
#endif |
218 |
> |
if (!rmx_prepare(rm)) |
219 |
> |
return(0); |
220 |
> |
for (i = 0; i < rm->nrows; i++) { |
221 |
> |
if (getbinary(&rmx_lval(rm,i,0,0), sizeof(double)*rm->ncomp, |
222 |
> |
rm->ncols, fp) != rm->ncols) |
223 |
> |
return(0); |
224 |
> |
if (rm->swapin) |
225 |
> |
swap64((char *)&rmx_lval(rm,i,0,0), rm->ncols*rm->ncomp); |
226 |
> |
} |
227 |
|
return(1); |
228 |
|
} |
229 |
|
|
233 |
|
COLOR *scan = (COLOR *)malloc(sizeof(COLOR)*rm->ncols); |
234 |
|
int i, j; |
235 |
|
|
236 |
< |
if (scan == NULL) |
236 |
> |
if (!scan) |
237 |
|
return(0); |
238 |
+ |
if (!rmx_prepare(rm)) |
239 |
+ |
return(0); |
240 |
|
for (i = 0; i < rm->nrows; i++) { |
241 |
|
if (freadscan(scan, rm->ncols, fp) < 0) { |
242 |
|
free(scan); |
254 |
|
|
255 |
|
/* Load matrix from supported file type */ |
256 |
|
RMATRIX * |
257 |
< |
rmx_load(const char *inspec) |
257 |
> |
rmx_load(const char *inspec, RMPref rmp) |
258 |
|
{ |
259 |
< |
FILE *fp = stdin; |
192 |
< |
RMATRIX dinfo; |
259 |
> |
FILE *fp; |
260 |
|
RMATRIX *dnew; |
261 |
|
|
262 |
< |
if (inspec == NULL) { /* reading from stdin? */ |
263 |
< |
inspec = "<stdin>"; |
264 |
< |
#ifdef _WIN32 |
265 |
< |
_setmode(fileno(stdin), _O_BINARY); |
266 |
< |
#endif |
262 |
> |
if (!inspec) |
263 |
> |
inspec = stdin_name; |
264 |
> |
else if (!*inspec) |
265 |
> |
return(NULL); |
266 |
> |
if (inspec == stdin_name) { /* reading from stdin? */ |
267 |
> |
fp = stdin; |
268 |
|
} else if (inspec[0] == '!') { |
269 |
< |
if ((fp = popen(inspec+1, "r")) == NULL) |
269 |
> |
if (!(fp = popen(inspec+1, "r"))) |
270 |
|
return(NULL); |
203 |
– |
#ifdef _WIN32 |
204 |
– |
_setmode(fileno(fp), _O_BINARY); |
205 |
– |
#endif |
271 |
|
} else { |
272 |
|
const char *sp = inspec; /* check suffix */ |
273 |
|
while (*sp) |
275 |
|
while (sp > inspec && sp[-1] != '.') |
276 |
|
--sp; |
277 |
|
if (!strcasecmp(sp, "XML")) { /* assume it's a BSDF */ |
278 |
< |
CMATRIX *cm = cm_loadBTDF((char *)inspec); |
279 |
< |
if (cm == NULL) |
278 |
> |
CMATRIX *cm = rmp==RMPtrans ? cm_loadBTDF(inspec) : |
279 |
> |
cm_loadBRDF(inspec, rmp==RMPreflB) ; |
280 |
> |
if (!cm) |
281 |
|
return(NULL); |
282 |
|
dnew = rmx_from_cmatrix(cm); |
283 |
|
cm_free(cm); |
284 |
+ |
dnew->dtype = DTascii; |
285 |
|
return(dnew); |
286 |
|
} |
287 |
|
/* else open it ourselves */ |
288 |
< |
if ((fp = fopen(inspec, "rb")) == NULL) |
288 |
> |
if (!(fp = fopen(inspec, "r"))) |
289 |
|
return(NULL); |
290 |
|
} |
291 |
+ |
SET_FILE_BINARY(fp); |
292 |
|
#ifdef getc_unlocked |
293 |
|
flockfile(fp); |
294 |
|
#endif |
295 |
< |
dinfo.nrows = dinfo.ncols = dinfo.ncomp = 0; |
228 |
< |
dinfo.dtype = DTascii; /* assumed w/o FORMAT */ |
229 |
< |
dinfo.info = NULL; |
230 |
< |
if (getheader(fp, get_dminfo, &dinfo) < 0) { |
295 |
> |
if (!(dnew = rmx_new(0,0,3))) { |
296 |
|
fclose(fp); |
297 |
|
return(NULL); |
298 |
|
} |
299 |
< |
if ((dinfo.nrows <= 0) | (dinfo.ncols <= 0)) { |
300 |
< |
if (!fscnresolu(&dinfo.ncols, &dinfo.nrows, fp)) { |
299 |
> |
dnew->dtype = DTascii; /* assumed w/o FORMAT */ |
300 |
> |
dnew->cexp[0] = dnew->cexp[1] = dnew->cexp[2] = 1.f; |
301 |
> |
if (getheader(fp, get_dminfo, dnew) < 0) { |
302 |
> |
fclose(fp); |
303 |
> |
return(NULL); |
304 |
> |
} |
305 |
> |
if ((dnew->nrows <= 0) | (dnew->ncols <= 0)) { |
306 |
> |
if (!fscnresolu(&dnew->ncols, &dnew->nrows, fp)) { |
307 |
|
fclose(fp); |
308 |
|
return(NULL); |
309 |
|
} |
310 |
< |
if (dinfo.ncomp <= 0) |
311 |
< |
dinfo.ncomp = 3; |
241 |
< |
else if ((dinfo.dtype == DTrgbe) | (dinfo.dtype == DTxyze) && |
242 |
< |
dinfo.ncomp != 3) { |
310 |
> |
if ((dnew->dtype == DTrgbe) | (dnew->dtype == DTxyze) && |
311 |
> |
dnew->ncomp != 3) { |
312 |
|
fclose(fp); |
313 |
|
return(NULL); |
314 |
|
} |
315 |
|
} |
316 |
< |
dnew = rmx_alloc(dinfo.nrows, dinfo.ncols, dinfo.ncomp); |
248 |
< |
if (dnew == NULL) { |
249 |
< |
fclose(fp); |
250 |
< |
return(NULL); |
251 |
< |
} |
252 |
< |
dnew->info = dinfo.info; |
253 |
< |
switch (dinfo.dtype) { |
316 |
> |
switch (dnew->dtype) { |
317 |
|
case DTascii: |
318 |
+ |
SET_FILE_TEXT(fp); |
319 |
|
if (!rmx_load_ascii(dnew, fp)) |
320 |
|
goto loaderr; |
321 |
|
dnew->dtype = DTascii; /* should leave double? */ |
334 |
|
case DTxyze: |
335 |
|
if (!rmx_load_rgbe(dnew, fp)) |
336 |
|
goto loaderr; |
337 |
< |
dnew->dtype = dinfo.dtype; |
337 |
> |
/* undo exposure? */ |
338 |
> |
if ((dnew->cexp[0] != 1.f) | (dnew->cexp[1] != 1.f) | |
339 |
> |
(dnew->cexp[2] != 1.f)) { |
340 |
> |
double cmlt[3]; |
341 |
> |
cmlt[0] = 1./dnew->cexp[0]; |
342 |
> |
cmlt[1] = 1./dnew->cexp[1]; |
343 |
> |
cmlt[2] = 1./dnew->cexp[2]; |
344 |
> |
rmx_scale(dnew, cmlt); |
345 |
> |
} |
346 |
> |
dnew->swapin = 0; |
347 |
|
break; |
348 |
|
default: |
349 |
|
goto loaderr; |
371 |
|
static int |
372 |
|
rmx_write_ascii(const RMATRIX *rm, FILE *fp) |
373 |
|
{ |
374 |
+ |
const char *fmt = (rm->dtype == DTfloat) ? " %.7e" : |
375 |
+ |
(rm->dtype == DTrgbe) | (rm->dtype == DTxyze) ? " %.3e" : |
376 |
+ |
" %.15e" ; |
377 |
|
int i, j, k; |
378 |
< |
#ifdef _WIN32 |
303 |
< |
_setmode(fileno(fp), _O_TEXT); |
304 |
< |
#endif |
378 |
> |
|
379 |
|
for (i = 0; i < rm->nrows; i++) { |
380 |
|
for (j = 0; j < rm->ncols; j++) { |
381 |
|
for (k = 0; k < rm->ncomp; k++) |
382 |
< |
fprintf(fp, " %.15e", rmx_lval(rm,i,j,k)); |
382 |
> |
fprintf(fp, fmt, rmx_lval(rm,i,j,k)); |
383 |
|
fputc('\t', fp); |
384 |
|
} |
385 |
|
fputc('\n', fp); |
401 |
|
for (j = 0; j < rm->ncols; j++) { |
402 |
|
for (k = rm->ncomp; k--; ) |
403 |
|
val[k] = (float)rmx_lval(rm,i,j,k); |
404 |
< |
if (fwrite(val, sizeof(val[0]), rm->ncomp, fp) != rm->ncomp) |
404 |
> |
if (putbinary(val, sizeof(val[0]), rm->ncomp, fp) != rm->ncomp) |
405 |
|
return(0); |
406 |
|
} |
407 |
|
return(1); |
410 |
|
static int |
411 |
|
rmx_write_double(const RMATRIX *rm, FILE *fp) |
412 |
|
{ |
413 |
< |
int i, j, k; |
340 |
< |
double val[100]; |
413 |
> |
int i; |
414 |
|
|
342 |
– |
if (rm->ncomp > 100) { |
343 |
– |
fputs("Unsupported # components in rmx_write_double()\n", stderr); |
344 |
– |
exit(1); |
345 |
– |
} |
415 |
|
for (i = 0; i < rm->nrows; i++) |
416 |
< |
for (j = 0; j < rm->ncols; j++) { |
417 |
< |
for (k = rm->ncomp; k--; ) |
349 |
< |
val[k] = rmx_lval(rm,i,j,k); |
350 |
< |
if (fwrite(val, sizeof(val[0]), rm->ncomp, fp) != rm->ncomp) |
416 |
> |
if (putbinary(&rmx_lval(rm,i,0,0), sizeof(double)*rm->ncomp, |
417 |
> |
rm->ncols, fp) != rm->ncols) |
418 |
|
return(0); |
352 |
– |
} |
419 |
|
return(1); |
420 |
|
} |
421 |
|
|
422 |
|
static int |
423 |
|
rmx_write_rgbe(const RMATRIX *rm, FILE *fp) |
424 |
|
{ |
425 |
< |
COLOR *scan = (COLOR *)malloc(sizeof(COLOR)*rm->ncols); |
425 |
> |
COLR *scan = (COLR *)malloc(sizeof(COLR)*rm->ncols); |
426 |
|
int i, j; |
427 |
|
|
428 |
< |
if (scan == NULL) |
428 |
> |
if (!scan) |
429 |
|
return(0); |
430 |
|
for (i = 0; i < rm->nrows; i++) { |
431 |
|
for (j = rm->ncols; j--; ) |
432 |
< |
setcolor(scan[j], rmx_lval(rm,i,j,0), |
432 |
> |
setcolr(scan[j], rmx_lval(rm,i,j,0), |
433 |
|
rmx_lval(rm,i,j,1), |
434 |
|
rmx_lval(rm,i,j,2) ); |
435 |
< |
if (fwritescan(scan, rm->ncols, fp) < 0) { |
435 |
> |
if (fwritecolrs(scan, rm->ncols, fp) < 0) { |
436 |
|
free(scan); |
437 |
|
return(0); |
438 |
|
} |
441 |
|
return(1); |
442 |
|
} |
443 |
|
|
444 |
+ |
/* Check if CIE XYZ primaries were specified */ |
445 |
+ |
static int |
446 |
+ |
findCIEprims(const char *info) |
447 |
+ |
{ |
448 |
+ |
RGBPRIMS prims; |
449 |
+ |
|
450 |
+ |
if (!info) |
451 |
+ |
return(0); |
452 |
+ |
info = strstr(info, PRIMARYSTR); |
453 |
+ |
if (!info || !primsval(prims, info)) |
454 |
+ |
return(0); |
455 |
+ |
|
456 |
+ |
return((prims[RED][CIEX] > .99) & (prims[RED][CIEY] < .01) && |
457 |
+ |
(prims[GRN][CIEX] < .01) & (prims[GRN][CIEY] > .99) && |
458 |
+ |
(prims[BLU][CIEX] < .01) & (prims[BLU][CIEY] < .01)); |
459 |
+ |
} |
460 |
+ |
|
461 |
|
/* Write matrix to file type indicated by dtype */ |
462 |
|
int |
463 |
|
rmx_write(const RMATRIX *rm, int dtype, FILE *fp) |
464 |
|
{ |
382 |
– |
RMATRIX *mydm = NULL; |
465 |
|
int ok = 1; |
466 |
|
|
467 |
< |
if ((rm == NULL) | (fp == NULL)) |
467 |
> |
if (!rm | !fp || !rm->mtx) |
468 |
|
return(0); |
469 |
+ |
#ifdef getc_unlocked |
470 |
+ |
flockfile(fp); |
471 |
+ |
#endif |
472 |
|
/* complete header */ |
473 |
|
if (rm->info) |
474 |
|
fputs(rm->info, fp); |
475 |
|
if (dtype == DTfromHeader) |
476 |
|
dtype = rm->dtype; |
477 |
< |
else if ((dtype == DTrgbe) & (rm->dtype == DTxyze)) |
477 |
> |
else if (dtype == DTrgbe && (rm->dtype == DTxyze || |
478 |
> |
findCIEprims(rm->info))) |
479 |
|
dtype = DTxyze; |
480 |
|
else if ((dtype == DTxyze) & (rm->dtype == DTrgbe)) |
481 |
|
dtype = DTrgbe; |
484 |
|
fprintf(fp, "NCOLS=%d\n", rm->ncols); |
485 |
|
fprintf(fp, "NCOMP=%d\n", rm->ncomp); |
486 |
|
} else if (rm->ncomp != 3) { /* wrong # components? */ |
487 |
< |
double cmtx[3]; |
487 |
> |
CMATRIX *cm; /* convert & write */ |
488 |
|
if (rm->ncomp != 1) /* only convert grayscale */ |
489 |
|
return(0); |
490 |
< |
cmtx[0] = cmtx[1] = cmtx[2] = 1; |
405 |
< |
mydm = rmx_transform(rm, 3, cmtx); |
406 |
< |
if (mydm == NULL) |
490 |
> |
if (!(cm = cm_from_rmatrix(rm))) |
491 |
|
return(0); |
492 |
< |
rm = mydm; |
492 |
> |
fputformat(cm_fmt_id[dtype], fp); |
493 |
> |
fputc('\n', fp); |
494 |
> |
ok = cm_write(cm, dtype, fp); |
495 |
> |
cm_free(cm); |
496 |
> |
return(ok); |
497 |
|
} |
498 |
< |
fputformat((char *)cm_fmt_id[dtype], fp); |
498 |
> |
if ((dtype == DTfloat) | (dtype == DTdouble)) |
499 |
> |
fputendian(fp); /* important to record */ |
500 |
> |
fputformat(cm_fmt_id[dtype], fp); |
501 |
|
fputc('\n', fp); |
502 |
|
switch (dtype) { /* write data */ |
503 |
|
case DTascii: |
518 |
|
return(0); |
519 |
|
} |
520 |
|
ok &= (fflush(fp) == 0); |
521 |
< |
rmx_free(mydm); |
521 |
> |
#ifdef getc_unlocked |
522 |
> |
funlockfile(fp); |
523 |
> |
#endif |
524 |
|
return(ok); |
525 |
|
} |
526 |
|
|
531 |
|
RMATRIX *rid = rmx_alloc(dim, dim, n); |
532 |
|
int i, k; |
533 |
|
|
534 |
< |
if (rid == NULL) |
534 |
> |
if (!rid) |
535 |
|
return(NULL); |
536 |
< |
memset(rid->mtx, 0, sizeof(rid->mtx[0])*n*dim*dim); |
536 |
> |
memset(rid->mtx, 0, array_size(rid)); |
537 |
|
for (i = dim; i--; ) |
538 |
|
for (k = n; k--; ) |
539 |
|
rmx_lval(rid,i,i,k) = 1; |
546 |
|
{ |
547 |
|
RMATRIX *dnew; |
548 |
|
|
549 |
< |
if (rm == NULL) |
549 |
> |
if (!rm) |
550 |
|
return(NULL); |
551 |
|
dnew = rmx_alloc(rm->nrows, rm->ncols, rm->ncomp); |
552 |
< |
if (dnew == NULL) |
552 |
> |
if (!dnew) |
553 |
|
return(NULL); |
554 |
|
rmx_addinfo(dnew, rm->info); |
555 |
|
dnew->dtype = rm->dtype; |
556 |
< |
memcpy(dnew->mtx, rm->mtx, |
465 |
< |
sizeof(rm->mtx[0])*rm->ncomp*rm->nrows*rm->ncols); |
556 |
> |
memcpy(dnew->mtx, rm->mtx, array_size(dnew)); |
557 |
|
return(dnew); |
558 |
|
} |
559 |
|
|
564 |
|
RMATRIX *dnew; |
565 |
|
int i, j, k; |
566 |
|
|
567 |
< |
if (rm == NULL) |
567 |
> |
if (!rm) |
568 |
|
return(0); |
569 |
+ |
if ((rm->nrows == 1) | (rm->ncols == 1)) { |
570 |
+ |
dnew = rmx_copy(rm); |
571 |
+ |
if (!dnew) |
572 |
+ |
return(NULL); |
573 |
+ |
dnew->nrows = rm->ncols; |
574 |
+ |
dnew->ncols = rm->nrows; |
575 |
+ |
return(dnew); |
576 |
+ |
} |
577 |
|
dnew = rmx_alloc(rm->ncols, rm->nrows, rm->ncomp); |
578 |
< |
if (dnew == NULL) |
578 |
> |
if (!dnew) |
579 |
|
return(NULL); |
580 |
|
if (rm->info) { |
581 |
|
rmx_addinfo(dnew, rm->info); |
596 |
|
RMATRIX *mres; |
597 |
|
int i, j, k, h; |
598 |
|
|
599 |
< |
if ((m1 == NULL) | (m2 == NULL) || |
501 |
< |
(m1->ncomp != m2->ncomp) | (m1->ncols != m2->nrows)) |
599 |
> |
if (!m1 | !m2 || (m1->ncomp != m2->ncomp) | (m1->ncols != m2->nrows)) |
600 |
|
return(NULL); |
601 |
|
mres = rmx_alloc(m1->nrows, m2->ncols, m1->ncomp); |
602 |
< |
if (mres == NULL) |
602 |
> |
if (!mres) |
603 |
|
return(NULL); |
604 |
|
i = rmx_newtype(m1->dtype, m2->dtype); |
605 |
|
if (i) |
611 |
|
for (k = mres->ncomp; k--; ) { |
612 |
|
long double d = 0; |
613 |
|
for (h = m1->ncols; h--; ) |
614 |
< |
d += (long double)rmx_lval(m1,i,h,k) * |
517 |
< |
(long double)rmx_lval(m2,h,j,k); |
614 |
> |
d += rmx_lval(m1,i,h,k) * rmx_lval(m2,h,j,k); |
615 |
|
rmx_lval(mres,i,j,k) = (double)d; |
616 |
|
} |
617 |
|
return(mres); |
618 |
|
} |
619 |
|
|
620 |
+ |
/* Element-wise multiplication (or division) of m2 into m1 */ |
621 |
+ |
int |
622 |
+ |
rmx_elemult(RMATRIX *m1, const RMATRIX *m2, int divide) |
623 |
+ |
{ |
624 |
+ |
int zeroDivides = 0; |
625 |
+ |
int i, j, k; |
626 |
+ |
|
627 |
+ |
if (!m1 | !m2 || (m1->ncols != m2->ncols) | (m1->nrows != m2->nrows)) |
628 |
+ |
return(0); |
629 |
+ |
if ((m2->ncomp > 1) & (m2->ncomp != m1->ncomp)) |
630 |
+ |
return(0); |
631 |
+ |
i = rmx_newtype(m1->dtype, m2->dtype); |
632 |
+ |
if (i) |
633 |
+ |
m1->dtype = i; |
634 |
+ |
else |
635 |
+ |
rmx_addinfo(m1, rmx_mismatch_warn); |
636 |
+ |
for (i = m1->nrows; i--; ) |
637 |
+ |
for (j = m1->ncols; j--; ) |
638 |
+ |
if (divide) { |
639 |
+ |
double d; |
640 |
+ |
if (m2->ncomp == 1) { |
641 |
+ |
d = rmx_lval(m2,i,j,0); |
642 |
+ |
if (d == 0) { |
643 |
+ |
++zeroDivides; |
644 |
+ |
for (k = m1->ncomp; k--; ) |
645 |
+ |
rmx_lval(m1,i,j,k) = 0; |
646 |
+ |
} else { |
647 |
+ |
d = 1./d; |
648 |
+ |
for (k = m1->ncomp; k--; ) |
649 |
+ |
rmx_lval(m1,i,j,k) *= d; |
650 |
+ |
} |
651 |
+ |
} else |
652 |
+ |
for (k = m1->ncomp; k--; ) { |
653 |
+ |
d = rmx_lval(m2,i,j,k); |
654 |
+ |
if (d == 0) { |
655 |
+ |
++zeroDivides; |
656 |
+ |
rmx_lval(m1,i,j,k) = 0; |
657 |
+ |
} else |
658 |
+ |
rmx_lval(m1,i,j,k) /= d; |
659 |
+ |
} |
660 |
+ |
} else { |
661 |
+ |
if (m2->ncomp == 1) { |
662 |
+ |
const double d = rmx_lval(m2,i,j,0); |
663 |
+ |
for (k = m1->ncomp; k--; ) |
664 |
+ |
rmx_lval(m1,i,j,k) *= d; |
665 |
+ |
} else |
666 |
+ |
for (k = m1->ncomp; k--; ) |
667 |
+ |
rmx_lval(m1,i,j,k) *= rmx_lval(m2,i,j,k); |
668 |
+ |
} |
669 |
+ |
if (zeroDivides) { |
670 |
+ |
rmx_addinfo(m1, "WARNING: zero divide(s) corrupted results\n"); |
671 |
+ |
errno = ERANGE; |
672 |
+ |
} |
673 |
+ |
return(1); |
674 |
+ |
} |
675 |
+ |
|
676 |
|
/* Sum second matrix into first, applying scale factor beforehand */ |
677 |
|
int |
678 |
|
rmx_sum(RMATRIX *msum, const RMATRIX *madd, const double sf[]) |
680 |
|
double *mysf = NULL; |
681 |
|
int i, j, k; |
682 |
|
|
683 |
< |
if ((msum == NULL) | (madd == NULL) || |
683 |
> |
if (!msum | !madd || |
684 |
|
(msum->nrows != madd->nrows) | |
685 |
|
(msum->ncols != madd->ncols) | |
686 |
|
(msum->ncomp != madd->ncomp)) |
687 |
|
return(0); |
688 |
< |
if (sf == NULL) { |
688 |
> |
if (!sf) { |
689 |
|
mysf = (double *)malloc(sizeof(double)*msum->ncomp); |
690 |
< |
if (mysf == NULL) |
690 |
> |
if (!mysf) |
691 |
|
return(0); |
692 |
|
for (k = msum->ncomp; k--; ) |
693 |
|
mysf[k] = 1; |
702 |
|
for (j = msum->ncols; j--; ) |
703 |
|
for (k = msum->ncomp; k--; ) |
704 |
|
rmx_lval(msum,i,j,k) += sf[k] * rmx_lval(madd,i,j,k); |
705 |
< |
|
706 |
< |
free(mysf); |
705 |
> |
if (mysf) |
706 |
> |
free(mysf); |
707 |
|
return(1); |
708 |
|
} |
709 |
|
|
713 |
|
{ |
714 |
|
int i, j, k; |
715 |
|
|
716 |
< |
if ((rm == NULL) | (sf == NULL)) |
716 |
> |
if (!rm | !sf) |
717 |
|
return(0); |
718 |
|
for (i = rm->nrows; i--; ) |
719 |
|
for (j = rm->ncols; j--; ) |
720 |
|
for (k = rm->ncomp; k--; ) |
721 |
|
rmx_lval(rm,i,j,k) *= sf[k]; |
722 |
|
|
723 |
+ |
if (rm->info) |
724 |
+ |
rmx_addinfo(rm, "Applied scalar\n"); |
725 |
|
return(1); |
726 |
|
} |
727 |
|
|
732 |
|
int i, j, ks, kd; |
733 |
|
RMATRIX *dnew; |
734 |
|
|
735 |
< |
if ((msrc == NULL) | (n <= 0) | (cmat == NULL)) |
735 |
> |
if (!msrc | (n <= 0) | !cmat) |
736 |
|
return(NULL); |
737 |
|
dnew = rmx_alloc(msrc->nrows, msrc->ncols, n); |
738 |
< |
if (dnew == NULL) |
738 |
> |
if (!dnew) |
739 |
|
return(NULL); |
740 |
+ |
if (msrc->info) { |
741 |
+ |
char buf[128]; |
742 |
+ |
sprintf(buf, "Applied %dx%d component transform\n", |
743 |
+ |
dnew->ncomp, msrc->ncomp); |
744 |
+ |
rmx_addinfo(dnew, msrc->info); |
745 |
+ |
rmx_addinfo(dnew, buf); |
746 |
+ |
} |
747 |
|
dnew->dtype = msrc->dtype; |
748 |
|
for (i = dnew->nrows; i--; ) |
749 |
|
for (j = dnew->ncols; j--; ) |
763 |
|
int i, j; |
764 |
|
RMATRIX *dnew; |
765 |
|
|
766 |
< |
if (cm == NULL) |
766 |
> |
if (!cm) |
767 |
|
return(NULL); |
768 |
|
dnew = rmx_alloc(cm->nrows, cm->ncols, 3); |
769 |
< |
if (dnew == NULL) |
769 |
> |
if (!dnew) |
770 |
|
return(NULL); |
771 |
|
dnew->dtype = DTfloat; |
772 |
|
for (i = dnew->nrows; i--; ) |
786 |
|
int i, j; |
787 |
|
CMATRIX *cnew; |
788 |
|
|
789 |
< |
if (rm == NULL || rm->ncomp != 3) |
789 |
> |
if (!rm || !rm->mtx | ((rm->ncomp != 3) & (rm->ncomp != 1))) |
790 |
|
return(NULL); |
791 |
|
cnew = cm_alloc(rm->nrows, rm->ncols); |
792 |
< |
if (cnew == NULL) |
792 |
> |
if (!cnew) |
793 |
|
return(NULL); |
794 |
|
for (i = cnew->nrows; i--; ) |
795 |
|
for (j = cnew->ncols; j--; ) { |
796 |
|
COLORV *cv = cm_lval(cnew,i,j); |
797 |
< |
cv[0] = (COLORV)rmx_lval(rm,i,j,0); |
798 |
< |
cv[1] = (COLORV)rmx_lval(rm,i,j,1); |
799 |
< |
cv[2] = (COLORV)rmx_lval(rm,i,j,2); |
797 |
> |
if (rm->ncomp == 1) |
798 |
> |
cv[0] = cv[1] = cv[2] = (COLORV)rmx_lval(rm,i,j,0); |
799 |
> |
else { |
800 |
> |
cv[0] = (COLORV)rmx_lval(rm,i,j,0); |
801 |
> |
cv[1] = (COLORV)rmx_lval(rm,i,j,1); |
802 |
> |
cv[2] = (COLORV)rmx_lval(rm,i,j,2); |
803 |
> |
} |
804 |
|
} |
805 |
|
return(cnew); |
806 |
|
} |