# | Line 112 | Line 112 | dir2diff(int32 dc1, int32 dc2) /* approx. radians^2 be | |
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112 | { | |
113 | FVECT v1, v2; | |
114 | ||
115 | + | if (dc1 == dc2) |
116 | + | return 0.; |
117 | + | |
118 | decodedir(v1, dc1); | |
119 | decodedir(v2, dc2); | |
120 |
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