# | Line 175 | Line 175 | register int n; | |
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175 | return(sum * funcxf.sca); | |
176 | ||
177 | } | |
178 | < | if (n == 10) /* dot product */ |
179 | < | return(fray->rod); |
178 | > | if (n == 10) /* dot product (range [-1,1]) */ |
179 | > | return( fray->rod <= -1.0 ? -1.0 : |
180 | > | fray->rod >= 1.0 ? 1.0 : |
181 | > | fray->rod ); |
182 | ||
183 | if (n == 11) /* scale */ | |
184 | return(funcxf.sca); |
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