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rep_rde_permutation_list2index

Arguments:

• item_group_index_0,item_group_index_1,...

Description:

Return the index which corresponds to the permutation of multiple repeated different elements of different counts.

Input values may repeat.
Values must form a contiguous integer range starting at 0.
 
Adapted from:
https://ide.geeksforgeeks.org/6YsMwFEHpH
 
Author: Reptorian.

G'MIC is an open-source software distributed under the CeCILL free software licenses (LGPL-like and/or
GPL-compatible). Copyrights (C) Since July 2008, David Tschumperlé - GREYC UMR CNRS 6072, Image Team.