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/* Copyright (c) 1999 Silicon Graphics, Inc. */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ SGI"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* Interpolate and extrapolate pictures with different view parameters. |
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* |
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* Greg Ward 09Dec89 |
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*/ |
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#include "standard.h" |
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#include "copyright.h" |
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#include <ctype.h> |
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#include <string.h> |
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#include "standard.h" |
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#include "rtprocess.h" /* Windows: must come before color.h */ |
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#include "view.h" |
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#include "color.h" |
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#include "resolu.h" |
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#define LOG2 0.69314718055994530942 |
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#define pscan(y) (ourpict+(y)*hresolu) |
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MAT4 theirs2ours; /* transformation matrix */ |
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int hasmatrix = 0; /* has transformation matrix */ |
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int PDesc[3] = {-1,-1,-1}; /* rtrace process descriptor */ |
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#define childpid (PDesc[2]) |
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static SUBPROC PDesc = SP_INACTIVE; /* rtrace process descriptor */ |
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unsigned short queue[PACKSIZ][2]; /* pending pixels */ |
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int packsiz; /* actual packet size */ |
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int queuesiz = 0; /* number of pixels pending */ |
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if (argv[an][2] != 'f') |
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goto badopt; |
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check(3,"s"); |
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gotvfile = viewfile(argv[++an], &ourview, 0, 0); |
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gotvfile = viewfile(argv[++an], &ourview, NULL); |
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if (gotvfile < 0) |
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syserror(argv[an]); |
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else if (gotvfile == 0) { |
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fillo &= ~F_BACK; |
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if (doavg < 0) |
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doavg = (argc-an) > 2; |
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if (expcomp != NULL) |
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if (expcomp != NULL) { |
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if (expcomp[0] == '+' | expcomp[0] == '-') { |
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expadj = atof(expcomp) + (expcomp[0]=='+' ? .5 : -.5); |
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if (doavg | doblur) |
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if (!(doavg | doblur)) |
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rexpadj = pow(2.0, (double)expadj); |
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} |
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} |
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/* set view */ |
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if (nextview(doblur ? stdin : (FILE *)NULL) == EOF) { |
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fprintf(stderr, "%s: no view on standard input!\n", |
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syserror(progname); |
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/* new header */ |
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newheader("RADIANCE", stdout); |
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fputnow(stdout); |
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/* run pictures */ |
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do { |
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bzero((char *)ourzbuf, hresolu*vresolu*sizeof(float)); |
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memset((char *)ourzbuf, '\0', hresolu*vresolu*sizeof(float)); |
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for (i = an; i < argc; i += 2) |
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addpicture(argv[i], argv[i+1]); |
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if (fillo&F_BACK) /* fill in spaces */ |
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exit(1); |
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} |
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if (!nvavg) { /* first view */ |
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copystruct(&avgview, &ourview); |
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avgview = ourview; |
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return(nvavg++); |
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} |
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/* add to average view */ |
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avgview.vfore *= f; |
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avgview.vaft *= f; |
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if (setview(&avgview) != NULL) /* in case of emergency... */ |
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copystruct(&avgview, &ourview); |
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avgview = ourview; |
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pixaspect = viewaspect(&avgview) * hresolu / vresolu; |
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} |
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syserror(pfile); |
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/* get header with exposure and view */ |
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theirexp = 1.0; |
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copystruct(&theirview, &stdview); |
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theirview = stdview; |
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gotview = 0; |
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if (nvavg < 2) |
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printf("%s:\n", pfile); |
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if (xlim == NULL) |
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syserror(progname); |
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if (!getperim(xlim, &ylim, zin, zfd)) { /* overlapping area? */ |
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free((char *)zin); |
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free((char *)xlim); |
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free((void *)zin); |
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free((void *)xlim); |
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if (zfd != -1) |
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close(zfd); |
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fclose(pfp); |
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exit(1); |
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} |
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if (zfd != -1 && lseek(zfd, |
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(long)ylim.min*scanlen(&tresolu)*sizeof(float), 0) < 0) |
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(off_t)ylim.min*scanlen(&tresolu)*sizeof(float), 0) < 0) |
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syserror(zspec); |
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/* load image */ |
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for (y = ylim.min; y <= ylim.max; y++) { |
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addscanline(xlim+y, y, scanin, zin, plast); |
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} |
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/* clean up */ |
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free((char *)xlim); |
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free((char *)scanin); |
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free((char *)zin); |
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free((char *)plast); |
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free((void *)xlim); |
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free((void *)scanin); |
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free((void *)zin); |
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free((void *)plast); |
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fclose(pfp); |
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if (zfd != -1) |
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close(zfd); |
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yl->min = 32000; yl->max = 0; /* search for points on image */ |
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for (y = step - 1; y < numscans(&tresolu); y += step) { |
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if (zfd != -1) { |
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if (lseek(zfd, (long)y*scanlen(&tresolu)*sizeof(float), |
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if (lseek(zfd, (off_t)y*scanlen(&tresolu)*sizeof(float), |
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0) < 0) |
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syserror("lseek"); |
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if (read(zfd, (char *)zline, |
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xl[y-1].max = xl[y-step].max; |
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} |
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for (x = 2; x < step; x++) |
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copystruct(xl+y-x, xl+y-1); |
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*(xl+y-x) = *(xl+y-1); |
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} |
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if (yl->max >= numscans(&tresolu)) |
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yl->max = numscans(&tresolu) - 1; |
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y -= step; |
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for (x = numscans(&tresolu) - 1; x > y; x--) /* fill bottom rows */ |
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copystruct(xl+x, xl+y); |
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*(xl+x) = *(xl+y); |
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return(yl->max >= yl->min); |
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} |
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xback = -2; |
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} |
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} |
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free((char *)yback); |
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free((void *)yback); |
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} |
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continue; |
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} |
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if (averaging) |
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bzero(sscan(y)[x], sizeof(COLOR)); |
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memset(sscan(y)[x], '\0', sizeof(COLOR)); |
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else |
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bzero(pscan(y)[x], sizeof(COLR)); |
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memset(pscan(y)[x], '\0', sizeof(COLR)); |
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zscan(y)[x] = 0.0; |
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} |
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} |
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int rval; |
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register char **wp, *cp; |
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if (childpid != -1) { |
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if (PDesc.running) { |
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fprintf(stderr, "%s: too many calculations\n", progname); |
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exit(1); |
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} |
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} |
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*wp = NULL; |
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/* start process */ |
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if ((rval = open_process(PDesc, argv)) < 0) |
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if ((rval = open_process(&PDesc, argv)) < 0) |
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syserror(progname); |
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if (rval == 0) { |
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fprintf(stderr, "%s: command not found\n", argv[0]); |
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caldone() /* done with calculation */ |
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{ |
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if (childpid == -1) |
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if (!PDesc.running) |
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return; |
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clearqueue(); |
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close_process(PDesc); |
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childpid = -1; |
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close_process(&PDesc); |
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} |
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*fbp++ = dir[0]; *fbp++ = dir[1]; *fbp++ = dir[2]; |
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} |
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/* mark end and get results */ |
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bzero((char *)fbp, 6*sizeof(float)); |
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if (process(PDesc, fbuf, fbuf, 4*sizeof(float)*(queuesiz+1), |
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memset((char *)fbp, '\0', 6*sizeof(float)); |
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if (process(&PDesc, (char *)fbuf, (char *)fbuf, |
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4*sizeof(float)*(queuesiz+1), |
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6*sizeof(float)*(queuesiz+1)) != |
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4*sizeof(float)*(queuesiz+1)) { |
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fprintf(stderr, "%s: error reading from rtrace process\n", |