Copy of master, and integrations of modifs done in the branch Combinatorial_map_dynamic_onxxxfunctors-gdamiand. Add an example in map_3_dynamic_onmerge.cpp.
Copy of master, and integrations of modifs done in the branch Combinatorial_map_dynamic_onxxxfunctors-gdamiand. Add an example in map_3_dynamic_onmerge.cpp.