class_public/REFCLASS.pre at master · jngrb/class_public · GitHub

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# this precision file obtained as follows:
# - computing adiabatic scalar unlensed ClT only (ndf15 integrator with AMD)
# - for each precision parameter varied individually, Deltachi2(Planck) between high-precision limit and selected value = 1.e-3

a_ini_over_a_today_default = 1.e-14
back_integration_stepsize = 7.e-3
tol_background_integration = 1.e-2

recfast_z_initial=1.e4

recfast_Nz0=100000
tol_thermo_integration=1.e-5

recfast_Heswitch=6
recfast_fudge_He=0.86

recfast_Hswitch = 1 #_TRUE_
recfast_fudge_H = 1.14
recfast_delta_fudge_H = -0.035
recfast_AGauss1 = -0.14
recfast_AGauss2 =  0.05
recfast_zGauss1 =  7.28
recfast_zGauss2 =  6.75
recfast_wGauss1 =  0.18
recfast_wGauss2 =  0.33

recfast_z_He_1 = 8000.
recfast_delta_z_He_1 = 50.
recfast_z_He_2 = 5000.
recfast_delta_z_He_2 = 100.
recfast_z_He_3 = 3500.
recfast_delta_z_He_3 = 50.
recfast_x_He0_trigger = 0.995
recfast_x_He0_trigger2 = 0.995
recfast_x_He0_trigger_delta = 0.01
recfast_x_H0_trigger = 0.995
recfast_x_H0_trigger2 = 0.995
recfast_x_H0_trigger_delta = 0.01

recfast_H_frac=1.e-3

reionization_z_start_max = 50.
reionization_sampling=1.e-2
reionization_optical_depth_tol=1.e-2
reionization_exponent=1.5

reionization_width=0.5

reionization_start_factor=8.
helium_fullreio_redshift=3.5
helium_fullreio_width=0.5

thermo_rate_smoothing_radius=50

gauge=1 #synchronous

k_scalar_min_eta0=0.002
k_scalar_max_eta0_over_l_max=3.
k_scalar_step_sub=0.015
k_scalar_step_super=0.0001 # was 0.0005
k_scalar_step_transition=0.2 # was 0.2

#start_small_k_at_eta_g_over_eta_h = 0.006
#start_large_k_at_eta_g_over_eta_k = 1.e-5
#tight_coupling_trigger_eta_g_over_eta_h=0.008
#tight_coupling_trigger_eta_g_over_eta_k=0.05
#start_sources_at_eta_g_over_eta_h = 0.01
start_small_k_at_eta_g_over_eta_h = 0.0004
start_large_k_at_eta_h_over_eta_k = 0.15
tight_coupling_trigger_eta_g_over_eta_h=0.005
tight_coupling_trigger_eta_g_over_eta_k=0.008
start_sources_at_eta_g_over_eta_h = 0.006
tight_coupling_approximation=5 #(int)second_order_CRS;

l_max_g=25
l_max_pol_g=25
l_max_nur=35
l_max_ncdm1=28

tol_eta_approx=1.e-5
tol_perturb_integration=1.e-6
perturb_sampling_stepsize=0.01

free_streaming_approximation = 2
free_streaming_trigger_eta_h_over_eta_k = 120.
free_streaming_trigger_Omega_r = 0.07

l_logstep=1.026
l_linstep=25

bessel_x_step=0.005
bessel_j_cut=5.e-10  # WATCH IT!
bessel_delta_x_min =1.e-4
bessel_file_name=bessel_large.dat

k_per_decade_primordial = 10.

k_step_trans_scalars=0.002

transfer_cut=1 #0=none,1=osc,2=cl #segfault with zero, watch it!
transfer_cut_threshold_osc=0.005 # with 0.005, more smooth than when smaller for l>2000 WATCH IT
transfer_cut_threshold_cl=1.e-8 # not robust if tilted or if one Delta_l(k) oscillation tangents zero

evolver=0

l_switch_limber = 40.
num_mu_minus_lmax = 1000.
delta_l_max = 1000.