composition_utils

Return the number of compositions for k summands and a sum of n

Type	Intent	Optional	Attributes		Name
integer,	intent(in)			::	k
integer,	intent(in)			::	n

Return the next composition.

Type	Intent	Optional	Attributes		Name
integer,	intent(in)			::	previous(:)

Get the ordered compositions of n into k summands.

Type	Intent	Optional	Attributes		Name
integer,	intent(in)			::	k
integer,	intent(in)			::	n

Return the composition index for a given composition.

Type	Intent	Optional	Attributes		Name
integer,	intent(in)			::	composition(:)

Return the composition for a given composition index

Type	Intent		Name
integer,	intent(in)	::	k	`k` is the number of summands (`k == size(composition)`).
integer,	intent(in)	::	N	`N` is the sum over the composition (`N == sum(composition)`).
integer(kind=int64),	intent(in)	::	idx	The composition index.

composition_utils Module