is_allowed_configurations Function

private pure function is_allowed_configurations(this, nI, nJ)

Check if an excitation nI -> nJ is allowed.

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

Type Bound

PQ_indexer_t

Arguments

Type	Intent	Optional	Attributes		Name
class(PQ_indexer_t),	intent(in)			::	this
integer,	intent(in)			::	nI(nEl)
integer,	intent(in)			::	nJ(nEl)

Return Value logical