is_allowed_double Function

private pure function is_allowed_double(this, exc, prop_vec)

Check if a double excitation is allowed.

Is called once at initialization, so it does not have to be super fast.

Type Bound

GAS_SuperGroupIndexer_t

Arguments

Type	Intent	Optional	Attributes		Name
class(GAS_SuperGroupIndexer_t),	intent(in)			::	this
type(Excite_2_t),	intent(in)			::	exc
integer,	intent(in)			::	prop_vec(:)

Return Value logical