# | Line 1 | Line 1 | |
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1 | #ifndef lint | |
2 | < | static const char RCSid[] = "$Id$"; |
2 | > | static const char RCSid[] = "$Id$"; |
3 | #endif | |
4 | /* | |
5 | * Compute 4-byte direction code (assume this fits into int) | |
# | Line 42 | Line 42 | FVECT dv; | |
42 | dc |= F2Z | cd[2] << F2SFT; | |
43 | else | |
44 | dc |= cm << F2SFT; | |
45 | + | if (!dc) /* don't generate 0 code */ |
46 | + | dc = F1X; |
47 | return(dc); | |
48 | } | |
49 |
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