add vector b onto vector a
| 170 | |
| 171 | // add vector b onto vector a |
| 172 | void vectorFloatAdd(vectorFloat a, vectorFloat b) |
| 173 | { |
| 174 | if ((a!= NULL)&&(a->x != NULL)&&(b!= NULL)&&(b->x != NULL)) { |
| 175 | long i; |
| 176 | long lng = minLong(a->dim, b->dim); |
| 177 | for (i=0; i<lng; i++) { |
| 178 | a->x[i] += b->x[i]; |
| 179 | } |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | // subtract vector b from vector a |
| 184 | void vectorFloatSub(vectorFloat a, vectorFloat b) |