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Comparing ray/src/common/tmesh.c (file contents):
Revision 2.3 by schorsch, Thu Jun 26 00:58:09 2003 UTC vs.
Revision 2.5 by greg, Thu Mar 2 17:16:56 2006 UTC

# Line 55 | Line 55 | RREAL                  *v1, *v2, *v3;
55          VCROSS(va, vab, vcb);
56          bcm->ax = ABS(va[0]) > ABS(va[1]) ? 0 : 1;
57          bcm->ax = ABS(va[bcm->ax]) > ABS(va[2]) ? bcm->ax : 2;
58 <        ax0 = (bcm->ax + 1) % 3;
59 <        ax1 = (bcm->ax + 2) % 3;
58 >        if ((ax0 = bcm->ax + 1) >= 3) ax0 -= 3;
59 >        if ((ax1 = ax0 + 1) >= 3) ax1 -= 3;
60          for (i = 0; i < 2; i++) {
61                  vab[0] = v1[ax0] - v2[ax0];
62                  vcb[0] = v3[ax0] - v2[ax0];
# Line 92 | Line 92 | FVECT  p;
92   register BARYCCM        *bcm;
93   {
94          double  u, v;
95 +        int     i;
96          
97 <        u = p[(bcm->ax + 1) % 3];
98 <        v = p[(bcm->ax + 2) % 3];
97 >        if ((i = bcm->ax + 1) >= 3) i -= 3;
98 >        u = p[i];
99 >        if (++i >= 3) i -= 3;
100 >        v = p[i];
101          wt[0] = u*bcm->tm[0][0] + v*bcm->tm[0][1] + bcm->tm[0][2];
102          wt[1] = u*bcm->tm[1][0] + v*bcm->tm[1][1] + bcm->tm[1][2];
103          wt[2] = 1. - wt[1] - wt[0];
# Line 151 | Line 154 | register RREAL         com[][3];
154   int                     n;
155   {
156          double  a, b;
157 <        register int    i, j;
157 >        register int    i;
158  
159          printf("%d\t%d\n", 1+3*n, bcm->ax);
160          for (i = 0; i < n; i++) {

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