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root/radiance/ray/src/util/rmatrix.c
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Comparing ray/src/util/rmatrix.c (file contents):
Revision 2.72 by greg, Tue Dec 5 21:45:39 2023 UTC vs.
Revision 2.75 by greg, Mon Dec 11 19:00:22 2023 UTC

# Line 539 | Line 539 | rmx_write_header(const RMATRIX *rm, int dtype, FILE *f
539                  dtype = DTxyze;
540          else if ((dtype == DTxyze) & (rm->dtype == DTrgbe))
541                  dtype = DTrgbe;
542 <        if ((dtype == DTspec) & (rm->ncomp < 3))
542 >        if ((dtype < DTspec) & (rm->ncomp > 3))
543 >                dtype = DTspec;
544 >        else if ((dtype == DTspec) & (rm->ncomp <= 3))
545                  return(0);
546  
547          if (dtype == DTascii)                   /* set file type (WINDOWS) */
# Line 560 | Line 562 | rmx_write_header(const RMATRIX *rm, int dtype, FILE *f
562          }
563          if (dtype >= DTspec) {                  /* # components & split? */
564                  fputncomp(rm->ncomp, fp);
565 <                if (dtype == DTspec || (rm->ncomp > 3 &&
566 <                                memcmp(rm->wlpart, WLPART, sizeof(WLPART))))
565 >                if (rm->ncomp > 3 &&
566 >                                memcmp(rm->wlpart, WLPART, sizeof(WLPART)))
567                          fputwlsplit(rm->wlpart, fp);
568          } else if ((rm->ncomp != 3) & (rm->ncomp != 1))
569                  return(0);                      /* wrong # components */
# Line 666 | Line 668 | rmx_copy(const RMATRIX *rm)
668          copycolor(dnew->cexp, rm->cexp);
669          memcpy(dnew->wlpart, rm->wlpart, sizeof(dnew->wlpart));
670          return(dnew);
671 + }
672 +
673 + /* Replace data in first matrix with data from second */
674 + int
675 + rmx_transfer_data(RMATRIX *rdst, RMATRIX *rsrc, int dometa)
676 + {
677 +        if (!rdst | !rsrc || (rdst->nrows != rsrc->nrows) |
678 +                        (rdst->ncols != rsrc->ncols) |
679 +                        (rdst->ncomp != rsrc->ncomp))
680 +                return(0);
681 +
682 +        if (dometa) {           /* transfer everything? */
683 +                rmx_reset(rdst);
684 +                *rdst = *rsrc;
685 +                rsrc->info = NULL; rsrc->mapped = NULL; rsrc->mtx = NULL;
686 +                return(1);
687 +        }
688 +        if (rdst->mapped)
689 +                return(0);      /* XXX can't handle this case */
690 +                                /* just matrix data -- leave metadata */
691 +        if (rdst->mtx) free(rdst->mtx);
692 +        rdst->mtx = rsrc->mtx;
693 +        rsrc->mtx = NULL;
694 +        return(1);
695   }
696  
697   /* Allocate and assign transposed matrix */

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