NumCosmoMath

API Version: 1.0

Library Version: 0.27.0

Type

C

Functions

AR G G_mass_solar Glightyear_Mpc HI_Lyman_wl3_8pi_2p_2P0_5 HI_Lyman_wl3_8pi_2p_2P3_5 HI_Lyman_wl3_8pi_2p_2Pmean HI_Lyman_wl3_8pi_2s_2S0_5 HI_Lyman_wl_2p_2P0_5 HI_Lyman_wl_2p_2P3_5 HI_Lyman_wl_2p_2Pmean HI_Lyman_wl_2s_2S0_5 HI_Lyman_wn_2p_2P0_5 HI_Lyman_wn_2p_2P3_5 HI_Lyman_wn_2p_2Pmean HI_Lyman_wn_2s_2S0_5 HI_ion_E_1s_2S0_5 HI_ion_E_2p_2P0_5 HI_ion_E_2p_2P3_5 HI_ion_E_2p_2Pmean HI_ion_E_2s_2S0_5 HI_ion_wn_1s_2S0_5 HI_ion_wn_2p_2P0_5 HI_ion_wn_2p_2P3_5 HI_ion_wn_2p_2Pmean HI_ion_wn_2s_2S0_5 H_bind H_reduced_energy H_reduced_mass HeII_ion_E_1s_2S0_5 HeII_ion_wn_1s_2S0_5 HeI_Balmer_E_kb_2p_1P1_2s_1S0 HeI_Balmer_E_kb_2p_3Pmean_2s_3S1 HeI_Balmer_wn_2p_1P1_2s_1S0 HeI_Balmer_wn_2p_3Pmean_2s_3S1 HeI_Lyman_wl3_8pi_2p_1P1 HeI_Lyman_wl3_8pi_2p_3P0 HeI_Lyman_wl3_8pi_2p_3P1 HeI_Lyman_wl3_8pi_2p_3P2 HeI_Lyman_wl3_8pi_2p_3Pmean HeI_Lyman_wl3_8pi_2s_1S0 HeI_Lyman_wl3_8pi_2s_3S1 HeI_Lyman_wl_2p_1P1 HeI_Lyman_wl_2p_3P0 HeI_Lyman_wl_2p_3P1 HeI_Lyman_wl_2p_3P2 HeI_Lyman_wl_2p_3Pmean HeI_Lyman_wl_2s_1S0 HeI_Lyman_wl_2s_3S1 HeI_Lyman_wn_2p_1P1 HeI_Lyman_wn_2p_3P0 HeI_Lyman_wn_2p_3P1 HeI_Lyman_wn_2p_3P2 HeI_Lyman_wn_2p_3Pmean HeI_Lyman_wn_2s_1S0 HeI_Lyman_wn_2s_3S1 HeI_ion_E_1s_1S0 HeI_ion_E_2p_1P1 HeI_ion_E_2p_3P0 HeI_ion_E_2p_3P1 HeI_ion_E_2p_3P2 HeI_ion_E_2p_3Pmean HeI_ion_E_2s_1S0 HeI_ion_E_2s_3S1 HeI_ion_wn_1s_1S0 HeI_ion_wn_2p_1P1 HeI_ion_wn_2p_3P0 HeI_ion_wn_2p_3P1 HeI_ion_wn_2p_3P2 HeI_ion_wn_2p_3Pmean HeI_ion_wn_2s_1S0 HeI_ion_wn_2s_3S1 Mpc Rinf Ry au blackbody_energy_density blackbody_per_crit_density_h2 boltzmann_factor_HI_1s_2S0_5 boltzmann_factor_HI_2p_2P0_5 boltzmann_factor_HI_2p_2P3_5 boltzmann_factor_HI_2p_2Pmean boltzmann_factor_HI_2s_2S0_5 boltzmann_factor_HeI_1s_1S0 boltzmann_factor_HeI_2p_1P1 boltzmann_factor_HeI_2p_3P0 boltzmann_factor_HeI_2p_3P1 boltzmann_factor_HeI_2p_3P2 boltzmann_factor_HeI_2p_3Pmean boltzmann_factor_HeI_2s_1S0 boltzmann_factor_HeI_2s_3S1 c c2 crit_density_h2 crit_mass_density_h2 crit_mass_density_h2_solar_mass_Mpc3 crit_number_density_n crit_number_density_p decay_H_rate_2s_1s decay_He_rate_2s_1s deg2_steradian degree_to_radian eV electric_constant fine_struct fine_struct_square h hbar hc hubble_cte_hst hubble_cte_planck6_base hubble_radius_hm1_Mpc hubble_radius_hm1_planck kb kpc lightyear lightyear_pc ln2 ln2pi ln3 lnpi lnpi_4 magnetic_constant mass_1H mass_1H_u mass_2H mass_2H_u mass_3H mass_3H_u mass_3He mass_3He_u mass_4He mass_4He_u mass_atomic mass_e mass_n mass_p mass_ratio_4He_1H mass_ratio_alpha_p mass_ratio_e_p mass_solar pc pi planck_length planck_length2 radian_0_2pi radian_to_degree radiation_temp_to_h2Omega_r0 rest_energy_1H rest_energy_2H rest_energy_3H rest_energy_3He rest_energy_4He rest_energy_atomic rest_energy_e rest_energy_n rest_energy_p sign_sin sqrt_1_4pi sqrt_2pi sqrt_3_4pi sqrt_pi sqrt_pi_2 stats_1sigma stats_2sigma stats_3sigma stefan_boltzmann tan_1arcsec thermal_wl_e thermal_wl_n thermal_wl_p thermal_wn_e thermal_wn_n thermal_wn_p thomson_cs two_pi_2 year

Generated by gi-docgen 2026.1

Function

NumCosmoMathCsqrt_pi_2

Declaration [src]

double
ncm_c_sqrt_pi_2 (
  void
)

Description

No description available.

Return value

Type: double

$\sqrt{\pi / 2}$.