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root/radiance/ray/src/px/pinterp.c
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Comparing ray/src/px/pinterp.c (file contents):
Revision 1.27 by greg, Tue Mar 6 15:45:31 1990 UTC vs.
Revision 1.28 by greg, Fri Mar 16 19:19:52 1990 UTC

# Line 454 | Line 454 | double z;
454                  y1 = p0->y + c1*s1y/l1;
455                  for (c2 = l2; c2-- > 0; ) {
456                          x = x1 + c2*s2x/l2;
457 +                        if (x < 0 || x >= hresolu)
458 +                                continue;
459                          y = y1 + c2*s2y/l2;
460 +                        if (y < 0 || y >= vresolu)
461 +                                continue;
462                          if (zscan(y)[x] <= 0 || zscan(y)[x]-z
463                                                  > zeps*zscan(y)[x]) {
464                                  zscan(y)[x] = z;

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