template<class T, class U>
void OEGeom3DRotate(T *xyz, const U *m, unsigned int ncoord)
template<class T, class U>
void OEGeom3DRotate(T *xyz, const U *m, unsigned int *idx, unsigned int ncoord)
Rotates the coordinates of xyz using the \(3x3\) rotation matrix given by m. The second form only rotates the coordinates according to the indices given by idx.