lesgourg / class_public

Public repository of the Cosmic Linear Anisotropy Solving System (master for the most recent version of the standard code; GW_CLASS to include Cosmic Gravitational Wave Background anisotropies; classnet branch for acceleration with neutral networks; ExoCLASS branch for exotic energy injection; class_matter branch for FFTlog)
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Error running background_init #510

Open SafaeCosmology opened 1 year ago

SafaeCosmology commented 1 year ago

Hello everyone, I have a question, please. I changed the expression of Omega_cdm, but when I run CLASS I get this error message, should I use ndf15 as generic_evolver ?

*_Computing background Chose ndf15 as generic_evolver Error running background_init =>background_init(L:838) :error in background_solve(ppr,pba); =>background_solve(L:1966) :error in generic_evolver(background_derivs, loga_ini, loga_final, pvecback_integration, used_in_output, pba->bi_size, &bpaw, ppr->tol_background_integration, ppr->smallest_allowed_variation, background_timescale, ppr->background_integration_stepsize, pba->loga_table, pba->bt_size, background_sources, ((void )0), pba->error_message); =>evolverndf15(L:499) :condition (absh <= hmin) is true; Step size too small: step:5.15779e-14, minimum:5.15779e-14, in interval: [-32.2362:0]**