# | Line 103 | Line 103 | register FVECT v; | |
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103 | if (len <= 0.0) | |
104 | return(0.0); | |
105 | ||
106 | < | /****** problematic |
107 | < | if (len >= (1.0-FTINY)*(1.0-FTINY) && |
108 | < | len <= (1.0+FTINY)*(1.0+FTINY)) |
109 | < | return(1.0); |
110 | < | ******/ |
106 | > | if (len <= 1.0+FTINY && len >= 1.0-FTINY) |
107 | > | len = 0.5 + 0.5*len; /* first order approximation */ |
108 | > | else |
109 | > | len = sqrt(len); |
110 | ||
112 | – | len = sqrt(len); |
111 | v[0] /= len; | |
112 | v[1] /= len; | |
113 | v[2] /= len; | |
114 | + | |
115 | return(len); | |
116 | } | |
117 |
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