bond_distance Function

public function bond_distance(g, i_nuc, j_nuc, k_tr) result(r_ab)

calculated distances between atoms (employing periodic boundary conditions)

Arguments

Type	Intent	Optional	Attributes		Name
type(grid3d),	intent(in)			::	g
integer,	intent(in)			::	i_nuc
integer,	intent(in)			::	j_nuc
integer,	intent(in),	optional		::	k_tr

Return Value real(kind=long)