***************************** The sherpa.astro.utils module ***************************** .. currentmodule:: sherpa.astro.utils .. automodule:: sherpa.astro.utils .. rubric:: Functions .. autosummary:: :toctree: api apply_pileup arf_fold calc_data_sum calc_data_sum2d calc_energy_flux calc_kcorr calc_model_sum calc_model_sum2d calc_photon_flux calc_source_sum compile_energy_grid do_group eqwidth expand_grouped_mask filter_resp get_xspec_norm get_xspec_position is_in rmf_fold shrink_effarea