void compute_shell(int, int, DerivCenters &)
Compute the derivative integrals and place the result in the buffer returned by buffer().
void compute_shell(int, int, int)
Compute the derivative integrals with respect to the given center and place the result in the buffer ...
void compute_shell(int, int)
Computes the integrals between basis functions in the given shell pair.
Ref< OneBodyInt > clone()
Returns a clone of this.
bool cloneable()
Return true if the clone member can be called.