Function opensn::FindCSDAProblemChargedGroupRanges

Function Documentation

inline std::vector<std::pair<unsigned int, unsigned int>> opensn::FindCSDAProblemChargedGroupRanges(const BlockID2XSMap &xs_map, const unsigned int num_groups)

Returns contiguous ranges of groups whose stopping power is nonzero in at least one material, as half-open [begin, end) ranges ordered from high to low energy.