| 1 |
#ifndef lint |
| 2 |
static const char RCSid[] = "$Id: pvsum.c,v 2.7 2025/10/24 16:31:18 greg Exp $"; |
| 3 |
#endif |
| 4 |
/* |
| 5 |
* pvsum.c - add together spectral and/or float pictures |
| 6 |
* based on vector or matrix, similar to dctimestep |
| 7 |
*/ |
| 8 |
|
| 9 |
#include <math.h> |
| 10 |
#include "rtio.h" |
| 11 |
#include "resolu.h" |
| 12 |
#include "platform.h" |
| 13 |
#include "random.h" |
| 14 |
#include "rmatrix.h" |
| 15 |
#if !defined(_WIN32) && !defined(_WIN64) |
| 16 |
#include <sys/mman.h> |
| 17 |
#include <sys/wait.h> |
| 18 |
#endif |
| 19 |
|
| 20 |
#define VIEWSTR "VIEW=" /* borrowed from common/view.h */ |
| 21 |
#define VIEWSTRL 5 |
| 22 |
|
| 23 |
int nprocs = 1; /* # of calculation processes (Unix) */ |
| 24 |
int in_type = DTfromHeader; /* input data type */ |
| 25 |
int out_type = DTfromHeader; /* output data type */ |
| 26 |
char *in_spec = NULL; /* input specification */ |
| 27 |
char *out_spec = NULL; /* output file specification */ |
| 28 |
|
| 29 |
int iswapped = 0; /* input data is byte-swapped? */ |
| 30 |
int ncomp = 3; /* # input components */ |
| 31 |
int xres=0, yres=0; /* input image dimensions */ |
| 32 |
char viewspec[128] = ""; /* VIEW= line from first header */ |
| 33 |
char pixasp[48] = ""; /* PIXASPECT= line from header */ |
| 34 |
|
| 35 |
int gargc; /* global argc */ |
| 36 |
char **gargv; /* global argv */ |
| 37 |
|
| 38 |
RMATRIX *cmtx = NULL; /* coefficient matrix */ |
| 39 |
|
| 40 |
/* does the given spec contain integer format? */ |
| 41 |
int |
| 42 |
hasFormat(const char *s) |
| 43 |
{ |
| 44 |
restart: |
| 45 |
if (s) s = strchr(s, '%'); |
| 46 |
if (!s) return(0); |
| 47 |
if (s[1] == '%') { /* "%%" ? */ |
| 48 |
s += 2; |
| 49 |
goto restart; |
| 50 |
} |
| 51 |
while (*++s) { |
| 52 |
if (strchr("diouxX", *s)) |
| 53 |
return(1); /* integer format */ |
| 54 |
if (strchr("%fFeEgGaAcsb", *s)) |
| 55 |
break; /* non-integer format */ |
| 56 |
} |
| 57 |
return(0); |
| 58 |
} |
| 59 |
|
| 60 |
/* get first input header data we'll need */ |
| 61 |
int |
| 62 |
iheadline(char *s, void *p) |
| 63 |
{ |
| 64 |
char fmt[MAXFMTLEN]; |
| 65 |
int i; |
| 66 |
|
| 67 |
if (!strncmp(s, "NCOLS=", 6)) { |
| 68 |
xres = atoi(s+6); |
| 69 |
return(1); |
| 70 |
} |
| 71 |
if (!strncmp(s, "NROWS=", 6)) { |
| 72 |
yres = atoi(s+6); |
| 73 |
return(1); |
| 74 |
} |
| 75 |
if (isncomp(s)) { |
| 76 |
ncomp = ncompval(s); |
| 77 |
return(1); |
| 78 |
} |
| 79 |
if (formatval(fmt, s)) { |
| 80 |
for (in_type = DTend; --in_type > DTfromHeader; ) |
| 81 |
if (!strcmp(fmt, cm_fmt_id[in_type])) |
| 82 |
return(1); |
| 83 |
return(-1); |
| 84 |
} |
| 85 |
i = isbigendian(s); |
| 86 |
if (i >= 0) { |
| 87 |
iswapped = (i != nativebigendian()); |
| 88 |
return(1); |
| 89 |
} |
| 90 |
if (!strncmp(s, VIEWSTR, VIEWSTRL)) { |
| 91 |
strcpy(viewspec, s); |
| 92 |
return(1); |
| 93 |
} |
| 94 |
if (isaspect(s)) { |
| 95 |
strcpy(pixasp, s); |
| 96 |
return(1); |
| 97 |
} |
| 98 |
return(0); |
| 99 |
} |
| 100 |
|
| 101 |
/* open initial file and get relevant dimensions and type */ |
| 102 |
int |
| 103 |
get_iotypes(void) |
| 104 |
{ |
| 105 |
char fbuf[256]; |
| 106 |
FILE *fp; |
| 107 |
|
| 108 |
sprintf(fbuf, in_spec, 0); |
| 109 |
fp = fopen(fbuf, "rb"); |
| 110 |
if (!fp) { |
| 111 |
fprintf(stderr, "%s: cannot open for reading\n", fbuf); |
| 112 |
return(0); |
| 113 |
} |
| 114 |
if (getheader(fp, iheadline, NULL) < 0) { |
| 115 |
fprintf(stderr, "%s: bad header - wrong format?\n", fbuf); |
| 116 |
fclose(fp); |
| 117 |
return(0); |
| 118 |
} |
| 119 |
if ((xres <= 0) | (yres <= 0) && !fscnresolu(&xres, &yres, fp)) { |
| 120 |
fprintf(stderr, "%s: missing input resolution\n", fbuf); |
| 121 |
fclose(fp); |
| 122 |
return(0); |
| 123 |
} |
| 124 |
if (nprocs > 1 && (in_type==DTrgbe) | (in_type==DTxyze)) { |
| 125 |
long data_start = ftell(fp); /* make sure input flat */ |
| 126 |
off_t dend = lseek(fileno(fp), 0, SEEK_END); |
| 127 |
if (dend < data_start + 4L*xres*yres) { |
| 128 |
fputs("Warning - multi-processing requires flat input files\n", |
| 129 |
stderr); |
| 130 |
nprocs = 1; |
| 131 |
} |
| 132 |
} |
| 133 |
fclose(fp); |
| 134 |
if ((cmtx->ncomp == 1) & (ncomp != 1)) { |
| 135 |
double xfm[MAXCSAMP]; |
| 136 |
RMATRIX *nmtx; |
| 137 |
int i; |
| 138 |
for (i = ncomp; i--; ) |
| 139 |
xfm[i] = 1.; |
| 140 |
nmtx = rmx_transform(cmtx, ncomp, xfm); |
| 141 |
if (!nmtx) |
| 142 |
return(0); |
| 143 |
rmx_free(cmtx); |
| 144 |
cmtx = nmtx; |
| 145 |
} else if (cmtx->ncomp != ncomp) { |
| 146 |
fprintf(stderr, "operation %s needs %d components, has %d\n", |
| 147 |
cmtx->ncols == 1 ? "vector" : "matrix", |
| 148 |
ncomp, cmtx->ncomp); |
| 149 |
return(0); |
| 150 |
} |
| 151 |
if ((in_type != DTrgbe) & (in_type != DTxyze) & (in_type != DTspec) & |
| 152 |
(in_type != DTfloat)) { |
| 153 |
fprintf(stderr, "%s unsupported input data type: %s\n", |
| 154 |
fbuf, cm_fmt_id[in_type]); |
| 155 |
return(0); |
| 156 |
} |
| 157 |
if ((out_type == DTrgbe) & (ncomp > 3)) |
| 158 |
out_type = DTspec; |
| 159 |
else if (out_type == DTfromHeader || |
| 160 |
(out_type == DTrgbe) & (in_type != DTfloat)) |
| 161 |
out_type = in_type; |
| 162 |
return(1); |
| 163 |
} |
| 164 |
|
| 165 |
/* check subsequent headers match initial file */ |
| 166 |
int |
| 167 |
checkline(char *s, void *p) |
| 168 |
{ |
| 169 |
static int exposWarned = 0; |
| 170 |
int *xyres = (int *)p; |
| 171 |
char fmt[MAXFMTLEN]; |
| 172 |
|
| 173 |
if (!strncmp(s, "NCOLS=", 6)) { |
| 174 |
xyres[0] = atoi(s+6); |
| 175 |
if (xyres[0] <= 0) |
| 176 |
return(-1); |
| 177 |
return(1); |
| 178 |
} |
| 179 |
if (!strncmp(s, "NROWS=", 6)) { |
| 180 |
xyres[1] = atoi(s+6); |
| 181 |
if (xyres[1] <= 0) |
| 182 |
return(-1); |
| 183 |
return(1); |
| 184 |
} |
| 185 |
if (isncomp(s)) { |
| 186 |
if (ncompval(s) != ncomp) |
| 187 |
return(-1); |
| 188 |
return(1); |
| 189 |
} |
| 190 |
if (isexpos(s)) { |
| 191 |
if (!exposWarned && fabs(1. - exposval(s)) > 0.04) { |
| 192 |
fputs("Warning - ignoring EXPOSURE setting(s)\n", |
| 193 |
stderr); |
| 194 |
exposWarned++; |
| 195 |
} |
| 196 |
return(1); |
| 197 |
} |
| 198 |
if (formatval(fmt, s)) { |
| 199 |
if (strcmp(fmt, cm_fmt_id[in_type])) |
| 200 |
return(-1); |
| 201 |
return(1); |
| 202 |
} |
| 203 |
return(0); |
| 204 |
} |
| 205 |
|
| 206 |
/* open and check input file */ |
| 207 |
FILE * |
| 208 |
open_input(char *fname) |
| 209 |
{ |
| 210 |
int xyres[2]; |
| 211 |
FILE *fp = fopen(fname, "rb"); |
| 212 |
|
| 213 |
if (!fp) { |
| 214 |
fprintf(stderr, "%s: cannot open for reading\n", fname); |
| 215 |
return(NULL); |
| 216 |
} |
| 217 |
xyres[0] = xyres[1] = 0; |
| 218 |
if (getheader(fp, checkline, xyres) < 0) { |
| 219 |
fprintf(stderr, "%s: bad/inconsistent header\n", fname); |
| 220 |
fclose(fp); |
| 221 |
return(NULL); |
| 222 |
} |
| 223 |
if ((xyres[0] <= 0) | (xyres[1] <= 0) && |
| 224 |
!fscnresolu(&xyres[0], &xyres[1], fp)) { |
| 225 |
fprintf(stderr, "%s: missing resolution\n", fname); |
| 226 |
fclose(fp); |
| 227 |
return(NULL); |
| 228 |
} |
| 229 |
if ((xyres[0] != xres) | (xyres[1] != yres)) { |
| 230 |
fprintf(stderr, "%s: mismatched resolution\n", fname); |
| 231 |
fclose(fp); |
| 232 |
return(NULL); |
| 233 |
} |
| 234 |
return(fp); |
| 235 |
} |
| 236 |
|
| 237 |
/* open output file or command (if !NULL) and write info header */ |
| 238 |
FILE * |
| 239 |
open_output(char *ospec, int fno) |
| 240 |
{ |
| 241 |
FILE *fp; |
| 242 |
|
| 243 |
if (!ospec) { |
| 244 |
ospec = "<stdout>"; |
| 245 |
fp = stdout; |
| 246 |
} else if (ospec[0] == '!') { |
| 247 |
if (!(fp = popen(ospec+1, "w"))) { |
| 248 |
fprintf(stderr, "Cannot start: %s\n", ospec); |
| 249 |
return(NULL); |
| 250 |
} |
| 251 |
} else if (!(fp = fopen(ospec, "w"))) { |
| 252 |
fprintf(stderr, "%s: cannot open for writing\n", ospec); |
| 253 |
return(NULL); |
| 254 |
} |
| 255 |
SET_FILE_BINARY(fp); |
| 256 |
newheader("RADIANCE", fp); |
| 257 |
if (cmtx->info) /* prepend matrix metadata */ |
| 258 |
fputs(cmtx->info, fp); |
| 259 |
else |
| 260 |
fputnow(fp); |
| 261 |
printargs(gargc, gargv, fp); /* this command */ |
| 262 |
if (fno >= 0) |
| 263 |
fprintf(fp, "FRAME=%d\n", fno); |
| 264 |
if (viewspec[0]) |
| 265 |
fputs(viewspec, fp); |
| 266 |
if (pixasp[0]) |
| 267 |
fputs(pixasp, fp); |
| 268 |
switch (out_type) { |
| 269 |
case DTfloat: |
| 270 |
case DTdouble: |
| 271 |
fprintf(fp, "NCOLS=%d\nNROWS=%d\n", xres, yres); |
| 272 |
fputncomp(ncomp, fp); |
| 273 |
fputendian(fp); |
| 274 |
fputformat(cm_fmt_id[out_type], fp); |
| 275 |
fputc('\n', fp); |
| 276 |
break; |
| 277 |
case DTrgbe: |
| 278 |
fputformat(COLRFMT, fp); |
| 279 |
fputc('\n', fp); |
| 280 |
fprtresolu(xres, yres, fp); |
| 281 |
break; |
| 282 |
case DTxyze: |
| 283 |
fputformat(CIEFMT, fp); |
| 284 |
fputc('\n', fp); |
| 285 |
fprtresolu(xres, yres, fp); |
| 286 |
break; |
| 287 |
case DTspec: |
| 288 |
fputncomp(ncomp, fp); |
| 289 |
fputwlsplit(cmtx->wlpart, fp); |
| 290 |
fputformat(SPECFMT, fp); |
| 291 |
fputc('\n', fp); |
| 292 |
fprtresolu(xres, yres, fp); |
| 293 |
break; |
| 294 |
default: |
| 295 |
fputs("Unsupported output type!\n", stderr); |
| 296 |
return(NULL); |
| 297 |
} |
| 298 |
if (fflush(fp) < 0) { |
| 299 |
fprintf(stderr, "%s: write error\n", ospec); |
| 300 |
fclose(fp); |
| 301 |
return(NULL); |
| 302 |
} |
| 303 |
return(fp); |
| 304 |
} |
| 305 |
|
| 306 |
/* run calculation from a single process */ |
| 307 |
int |
| 308 |
solo_process(void) |
| 309 |
{ |
| 310 |
float *osum = (float *)calloc((size_t)xres*yres, sizeof(float)*ncomp); |
| 311 |
COLORV *iscan = (COLORV *)malloc(sizeof(COLORV)*ncomp*xres); |
| 312 |
char fbuf[512]; |
| 313 |
int c; |
| 314 |
|
| 315 |
if (!osum | !iscan) { |
| 316 |
fprintf(stderr, "Cannot allocate %dx%d %d-component accumulator\n", |
| 317 |
xres, yres, ncomp); |
| 318 |
return(0); |
| 319 |
} |
| 320 |
if (sizeof(float) != sizeof(COLORV)) { |
| 321 |
fputs("Code Error 1 in solo_process()\n", stderr); |
| 322 |
return(0); |
| 323 |
} |
| 324 |
for (c = 0; c < cmtx->ncols; c++) { /* run through each column/output */ |
| 325 |
FILE *fout; |
| 326 |
int y; |
| 327 |
int rc = cmtx->nrows; |
| 328 |
if (c > 0) /* clear accumulator? */ |
| 329 |
memset(osum, 0, sizeof(float)*ncomp*xres*yres); |
| 330 |
while (rc-- > 0) { /* run through each input file */ |
| 331 |
const int r = c&1 ? rc : cmtx->nrows-1 - rc; |
| 332 |
const rmx_dtype *cval = rmx_val(cmtx, r, c); |
| 333 |
FILE *finp; |
| 334 |
int i, x; |
| 335 |
for (i = ncomp; i--; ) |
| 336 |
if (cval[i] != 0) break; |
| 337 |
if (i < 0) /* this coefficient is zero, skip */ |
| 338 |
continue; |
| 339 |
sprintf(fbuf, in_spec, r); |
| 340 |
finp = open_input(fbuf); |
| 341 |
if (!finp) |
| 342 |
return(0); |
| 343 |
for (y = 0; y < yres; y++) { |
| 344 |
float *dst = osum + y*xres*ncomp; |
| 345 |
if (in_type == DTfloat ? getbinary(iscan, sizeof(float)*ncomp, |
| 346 |
xres, finp) != xres |
| 347 |
: freadsscan(iscan, ncomp, xres, finp) < 0) |
| 348 |
goto readerr; |
| 349 |
if ((in_type == DTfloat) & iswapped) |
| 350 |
swap32((char *)iscan, ncomp*xres); |
| 351 |
for (x = 0; x < xres; x++, dst += ncomp) |
| 352 |
for (i = ncomp; i--; ) |
| 353 |
dst[i] += cval[i]*iscan[x*ncomp + i]; |
| 354 |
} |
| 355 |
fclose(finp); |
| 356 |
} /* write out accumulated column result... */ |
| 357 |
if (out_spec) { /* ...to file or command */ |
| 358 |
if (cmtx->ncols > 1 && !hasFormat(out_spec)) { |
| 359 |
fputs("Sequential result must go to stdout\n", stderr); |
| 360 |
return(0); |
| 361 |
} |
| 362 |
sprintf(fbuf, out_spec, c); |
| 363 |
fout = open_output(fbuf, c-(cmtx->ncols==1)); |
| 364 |
} else { /* ...to stdout */ |
| 365 |
if ((out_type == DTfloat) & (cmtx->ncols > 1)) { |
| 366 |
fputs("Float outputs must have separate destinations\n", |
| 367 |
stderr); |
| 368 |
return(0); |
| 369 |
} |
| 370 |
strcpy(fbuf, "<stdout>"); |
| 371 |
fout = open_output(NULL, c-(cmtx->ncols==1)); |
| 372 |
} |
| 373 |
if (!fout) |
| 374 |
return(0); /* assume error was reported */ |
| 375 |
if (out_type != DTfloat) { |
| 376 |
for (y = 0; y < yres; y++) |
| 377 |
if (fwritesscan(osum + (size_t)y*xres*ncomp, |
| 378 |
ncomp, xres, fout) < 0) |
| 379 |
goto writerr; |
| 380 |
} else if (fwrite(osum, sizeof(float)*ncomp, (size_t)xres*yres, fout) != |
| 381 |
(size_t)xres*yres) |
| 382 |
goto writerr; |
| 383 |
|
| 384 |
if (fbuf[0] == '!') { |
| 385 |
if (pclose(fout) != 0) { |
| 386 |
fprintf(stderr, "Bad status from: %s\n", fbuf); |
| 387 |
return(0); |
| 388 |
} |
| 389 |
} else if (fout != stdout && fclose(fout) == EOF) |
| 390 |
goto writerr; |
| 391 |
} |
| 392 |
free(osum); /* clean up on success */ |
| 393 |
free(iscan); |
| 394 |
return(1); |
| 395 |
readerr: |
| 396 |
fprintf(stderr, "%s: read error\n", fbuf); |
| 397 |
return(0); |
| 398 |
writerr: |
| 399 |
fprintf(stderr, "%s: write error\n", fbuf); |
| 400 |
return(0); |
| 401 |
} |
| 402 |
|
| 403 |
#if defined(_WIN32) || defined(_WIN64) |
| 404 |
#define multi_process solo_process |
| 405 |
#else |
| 406 |
|
| 407 |
/* allocate a scrambled index array of the specified length */ |
| 408 |
int * |
| 409 |
scramble(int n) |
| 410 |
{ |
| 411 |
int *scarr = (int *)malloc(sizeof(int)*n); |
| 412 |
int i; |
| 413 |
|
| 414 |
if (!scarr) { |
| 415 |
fprintf(stderr, "Out of memory in scramble(%d)\n", n); |
| 416 |
exit(1); |
| 417 |
} |
| 418 |
for (i = n; i--; ) |
| 419 |
scarr[i] = i; |
| 420 |
/* perform Fisher-Yates shuffle */ |
| 421 |
for (i = 0; i < n-1; i++) { |
| 422 |
int ix = irandom(n-i) + i; |
| 423 |
int ndx = scarr[i]; |
| 424 |
scarr[i] = scarr[ix]; |
| 425 |
scarr[ix] = ndx; |
| 426 |
} |
| 427 |
return(scarr); |
| 428 |
} |
| 429 |
|
| 430 |
/* run calculation on multiple processes, using memory maps and fork() */ |
| 431 |
int |
| 432 |
multi_process(void) |
| 433 |
{ |
| 434 |
int coff = nprocs; |
| 435 |
int odd = 0; |
| 436 |
char fbuf[512]; |
| 437 |
float *osum; |
| 438 |
int *syarr; |
| 439 |
int c; |
| 440 |
/* sanity check */ |
| 441 |
if (sizeof(float) != sizeof(COLORV)) { |
| 442 |
fputs("Code Error 1 in multi_process()\n", stderr); |
| 443 |
return(0); |
| 444 |
} |
| 445 |
while (--coff > 0) { /* parent births children */ |
| 446 |
int pid = fork(); |
| 447 |
if (pid < 0) { |
| 448 |
fputs("fork() call failed!\n", stderr); |
| 449 |
return(0); |
| 450 |
} |
| 451 |
if (pid == 0) break; /* child gets to work */ |
| 452 |
} |
| 453 |
osum = (float *)calloc((size_t)xres*yres, sizeof(float)*ncomp); |
| 454 |
if (!osum) { |
| 455 |
fprintf(stderr, "Cannot allocate %dx%d %d-component accumulator\n", |
| 456 |
xres, yres, ncomp); |
| 457 |
return(0); |
| 458 |
} |
| 459 |
srandom(113*coff + 5669); /* randomize row access for this process */ |
| 460 |
syarr = scramble(yres); |
| 461 |
/* run through our unique set of columns */ |
| 462 |
for (c = coff; c < cmtx->ncols; c += nprocs) { |
| 463 |
FILE *fout; |
| 464 |
int y; |
| 465 |
int rc = cmtx->nrows; |
| 466 |
if (c > coff) /* clear accumulator? */ |
| 467 |
memset(osum, 0, sizeof(float)*ncomp*xres*yres); |
| 468 |
while (rc-- > 0) { /* map & sum each input file */ |
| 469 |
const int r = odd ? rc : cmtx->nrows-1 - rc; |
| 470 |
const rmx_dtype *cval = rmx_val(cmtx, r, c); |
| 471 |
long dstart; |
| 472 |
size_t maplen; |
| 473 |
void *imap; |
| 474 |
FILE *finp; |
| 475 |
float *dst; |
| 476 |
int i, x; |
| 477 |
for (i = ncomp; i--; ) |
| 478 |
if (cval[i] != 0) break; |
| 479 |
if (i < 0) /* this coefficient is zero, skip */ |
| 480 |
continue; |
| 481 |
sprintf(fbuf, in_spec, r); |
| 482 |
finp = open_input(fbuf); |
| 483 |
if (!finp) |
| 484 |
return(0); |
| 485 |
dstart = ftell(finp); |
| 486 |
if (dstart < 0) { |
| 487 |
fprintf(stderr, "%s: ftell() failed!\n", fbuf); |
| 488 |
return(0); |
| 489 |
} |
| 490 |
if (in_type == DTfloat && dstart%sizeof(float)) { |
| 491 |
fprintf(stderr, "%s: float header misalignment\n", fbuf); |
| 492 |
return(0); |
| 493 |
} |
| 494 |
i = in_type==DTfloat ? ncomp*(int)sizeof(float) : ncomp+1; |
| 495 |
maplen = dstart + (size_t)yres*xres*i; |
| 496 |
imap = mmap(NULL, maplen, PROT_READ, |
| 497 |
MAP_FILE|MAP_SHARED, fileno(finp), 0); |
| 498 |
fclose(finp); /* will read from map (randomly) */ |
| 499 |
if (imap == MAP_FAILED) { |
| 500 |
fprintf(stderr, "%s: unable to map input file\n", fbuf); |
| 501 |
return(0); |
| 502 |
} |
| 503 |
if (in_type == DTfloat) |
| 504 |
for (y = yres; y-- > 0; ) { |
| 505 |
const float *fvp = (float *)((char *)imap + dstart) + |
| 506 |
(size_t)ncomp*xres*syarr[y]; |
| 507 |
dst = osum + (size_t)ncomp*xres*syarr[y]; |
| 508 |
for (x = xres; x-- > 0; dst += ncomp, fvp += ncomp) |
| 509 |
for (i = ncomp; i--; ) |
| 510 |
dst[i] += cval[i]*fvp[i]; |
| 511 |
} |
| 512 |
else |
| 513 |
for (y = yres; y-- > 0; ) { |
| 514 |
const COLRV *cvp = (COLRV *)((char *)imap + dstart) + |
| 515 |
(ncomp+1L)*xres*syarr[y]; |
| 516 |
dst = osum + (size_t)ncomp*xres*syarr[y]; |
| 517 |
for (x = xres; x-- > 0; dst += ncomp, cvp += ncomp+1) { |
| 518 |
const rmx_dtype fe = cxponent[cvp[ncomp]]; |
| 519 |
for (i = ncomp; i--; ) |
| 520 |
dst[i] += cval[i]*(cvp[i]+(rmx_dtype).5)*fe; |
| 521 |
} |
| 522 |
} |
| 523 |
munmap(imap, maplen); |
| 524 |
} /* write accumulated column picture/matrix */ |
| 525 |
sprintf(fbuf, out_spec, c); |
| 526 |
fout = open_output(fbuf, c); |
| 527 |
if (!fout) |
| 528 |
return(0); /* assume error was reported */ |
| 529 |
if (out_type != DTfloat) { |
| 530 |
for (y = 0; y < yres; y++) |
| 531 |
if (fwritesscan(osum + (size_t)y*xres*ncomp, |
| 532 |
ncomp, xres, fout) < 0) |
| 533 |
goto writerr; |
| 534 |
} else if (fwrite(osum, sizeof(float)*ncomp, (size_t)xres*yres, fout) != |
| 535 |
(size_t)xres*yres) |
| 536 |
goto writerr; |
| 537 |
|
| 538 |
if (fbuf[0] == '!') { |
| 539 |
if (pclose(fout) != 0) { |
| 540 |
fprintf(stderr, "Bad status from: %s\n", fbuf); |
| 541 |
return(0); |
| 542 |
} |
| 543 |
} else if (fclose(fout) == EOF) |
| 544 |
goto writerr; |
| 545 |
odd = !odd; /* go back & forth to milk page cache */ |
| 546 |
} |
| 547 |
free(osum); |
| 548 |
free(syarr); |
| 549 |
if (coff) /* child processes return here... */ |
| 550 |
return(1); |
| 551 |
c = 0; /* ...but parent waits for children */ |
| 552 |
while (++coff < nprocs) { |
| 553 |
int st; |
| 554 |
if (wait(&st) < 0) |
| 555 |
break; |
| 556 |
if (st) c = st; |
| 557 |
} |
| 558 |
return(c == 0); |
| 559 |
writerr: |
| 560 |
fprintf(stderr, "%s: write error\n", fbuf); |
| 561 |
return(0); |
| 562 |
} |
| 563 |
|
| 564 |
#endif /* ! Windows */ |
| 565 |
|
| 566 |
int |
| 567 |
main(int argc, char *argv[]) |
| 568 |
{ |
| 569 |
int a; |
| 570 |
|
| 571 |
gargc = argc; /* for header output */ |
| 572 |
gargv = argv; |
| 573 |
|
| 574 |
for (a = 1; a < argc-1 && argv[a][0] == '-'; a++) |
| 575 |
switch (argv[a][1]) { |
| 576 |
case 'o': /* output spec/format */ |
| 577 |
switch (argv[a][2]) { |
| 578 |
case '\0': |
| 579 |
out_spec = argv[++a]; |
| 580 |
break; |
| 581 |
case 'f': |
| 582 |
out_type = DTfloat; |
| 583 |
break; |
| 584 |
case 'c': |
| 585 |
out_type = DTrgbe; |
| 586 |
break; |
| 587 |
default: |
| 588 |
goto badopt; |
| 589 |
} |
| 590 |
break; |
| 591 |
case 'N': /* number of desired processes */ |
| 592 |
case 'n': /* quietly supported alternate */ |
| 593 |
nprocs = atoi(argv[++a]); |
| 594 |
if (nprocs <= 0) |
| 595 |
goto userr; |
| 596 |
break; |
| 597 |
default:; |
| 598 |
badopt: fprintf(stderr, "%s: bad option: %s\n", argv[0], argv[a]); |
| 599 |
goto userr; |
| 600 |
return(1); |
| 601 |
} |
| 602 |
if ((argc-a < 1) | (argc-a > 2) || argv[a][0] == '-') |
| 603 |
goto userr; |
| 604 |
in_spec = argv[a]; |
| 605 |
cmtx = rmx_load(argv[a+1]); /* loads from stdin if a+1==argc */ |
| 606 |
if (cmtx == NULL) |
| 607 |
return(1); /* error reported */ |
| 608 |
if (nprocs > cmtx->ncols) |
| 609 |
nprocs = cmtx->ncols; |
| 610 |
#if defined(_WIN32) || defined(_WIN64) |
| 611 |
if (nprocs > 1) { |
| 612 |
fprintf(stderr, "%s: warning - Windows only allows -N 1\n", argv[0]); |
| 613 |
nprocs = 1; |
| 614 |
} |
| 615 |
#else |
| 616 |
if ((nprocs > 1) & !out_spec) { |
| 617 |
fprintf(stderr, "%s: multi-processing result cannot go to stdout\n", |
| 618 |
argv[0]); |
| 619 |
nprocs = 1; |
| 620 |
} |
| 621 |
if ((nprocs > 1) & iswapped && (in_type==DTfloat) | (in_type==DTdouble)) { |
| 622 |
fprintf(stderr, "%s: multi-processing unsupported on swapped input\n", |
| 623 |
argv[0]); |
| 624 |
nprocs = 1; |
| 625 |
} |
| 626 |
#endif |
| 627 |
if (cmtx->nrows > 1 && !hasFormat(in_spec)) { |
| 628 |
fprintf(stderr, "%s: input specification '%s' needs %%d format\n", |
| 629 |
argv[0], in_spec); |
| 630 |
goto userr; |
| 631 |
} |
| 632 |
if (!get_iotypes()) |
| 633 |
return(1); |
| 634 |
if (!(nprocs == 1 ? solo_process() : multi_process())) |
| 635 |
return(1); |
| 636 |
return(0); |
| 637 |
userr: |
| 638 |
fprintf(stderr, "Usage: %s [-oc | -of][-o ospec][-N nproc] inpspec [mtx]\n", |
| 639 |
argv[0]); |
| 640 |
return(1); |
| 641 |
} |
