Function pele::rot_mat_derivatives_small_theta

• Defined in File rotations.cpp

Function Documentation

void pele::rot_mat_derivatives_small_theta(

pele::VecN<3> const &p,

MatrixNM<3, 3> &rmat,

MatrixNM<3, 3> &drm1,

MatrixNM<3, 3> &drm2,

MatrixNM<3, 3> &drm3,

bool with_grad

)

compute the rotation matrix and it’s derivatives from an angle axis vector if the rotation angle is very small