Fast Methods for Cosmological Simulations
FastSim serves as a tool for quick N-body simulations in modified gravity.
Public Member Functions | Public Attributes | List of all members
Box_Opt Struct Reference

simulation box options More...

#include <params.hpp>

Public Member Functions

void init (const Cosmo_Param &cosmo)
 

Public Attributes

size_t par_num_1d
 
size_t mesh_num
 
size_t mesh_num_pwr
 
double box_size
 
size_t par_num
 
size_t Ng
 
size_t Ng_pwr
 
double mass_p_log
 logarithm of particle mass in $M_\odot$ More...
 

Detailed Description

simulation box options

Definition at line 55 of file params.hpp.

Member Function Documentation

void Box_Opt::init ( const Cosmo_Param &  cosmo)

Definition at line 376 of file params.cpp.

References Cosmo_Param::h, Cosmo_Param::Omega_m, and pow().

377 {
378  Ng = mesh_num / par_num_1d;
379  Ng_pwr = mesh_num_pwr/par_num_1d;
380  par_num = par_num_1d*par_num_1d*par_num_1d;
381  mass_p_log = std::log10(2.78E11*pow(box_size/par_num_1d, 3)*cosmo.Omega_m/cosmo.h);
382 }
Box_Opt::box_size
double box_size
Definition: params.hpp:59
Box_Opt::par_num
size_t par_num
Definition: params.hpp:61
Cosmo_Param::h
double h
Definition: params.hpp:36
Box_Opt::Ng_pwr
size_t Ng_pwr
Definition: params.hpp:61
Box_Opt::mesh_num_pwr
size_t mesh_num_pwr
Definition: params.hpp:58
Box_Opt::Ng
size_t Ng
Definition: params.hpp:61
Box_Opt::par_num_1d
size_t par_num_1d
Definition: params.hpp:58
Box_Opt::mass_p_log
double mass_p_log
logarithm of particle mass in
Definition: params.hpp:62
Cosmo_Param::Omega_m
double Omega_m
Definition: params.hpp:36
pow
float pow(float base, unsigned long int exp)
Definition: precision.hpp:39
Box_Opt::mesh_num
size_t mesh_num
Definition: params.hpp:58

Member Data Documentation

double Box_Opt::box_size

Definition at line 59 of file params.hpp.

Referenced by from_json(), gen_pow_spec_binned(), gen_pow_spec_binned_init(), gen_rho_w_pow_k(), handle_cmd_line(), App_Opt::init(), Other_par::init(), std_out_dir(), TEST_CASE(), to_json(), Sim_Param::x_0(), and Sim_Param::x_0_pwr().

double Box_Opt::mass_p_log

logarithm of particle mass in $M_\odot$

Definition at line 62 of file params.hpp.

Referenced by to_json().

size_t Box_Opt::mesh_num

Definition at line 58 of file params.hpp.

Referenced by App_Var< T >::Impl< T >::alloc_mesh_vec(), App_Var_Chi::ChiImpl::ChiImpl(), App_Var< T >::Impl< T >::fftw_prep(), anonymous_namespace{mod_frozen_potential.cpp}::force_short(), from_json(), gen_pow_spec_binned_init(), get_rho_from_par(), get_vel_from_par(), handle_cmd_line(), App_Opt::init(), Other_par::init(), print_par_pos_cut_small(), set_pert_pos(), std_out_dir(), to_json(), App_Var_FF::upd_pos(), App_Var_FP::upd_pos(), App_Var_Chi::upd_pos(), App_Var_FP_mod::upd_pos(), App_Var_AA::upd_pos(), App_Var_PM::upd_pos(), App_Var_Chi_FF::upd_pos(), and Sim_Param::x_0().

size_t Box_Opt::mesh_num_pwr

Definition at line 58 of file params.hpp.

Referenced by App_Var< T >::Impl< T >::alloc_bin_spec(), App_Var< T >::Impl< T >::alloc_mesh_vec(), App_Var< T >::Impl< T >::fftw_prep(), from_json(), gen_pow_spec_binned(), get_vel_from_par(), handle_cmd_line(), Other_par::init(), print_projected_rho(), print_rho_map(), std_out_dir(), to_json(), and Sim_Param::x_0_pwr().

size_t Box_Opt::Ng

Definition at line 61 of file params.hpp.

Referenced by anonymous_namespace{mod_frozen_potential.cpp}::force_short(), App_Var_FP_mod::FP_ppImpl::FP_ppImpl(), set_pert_pos(), set_unpert_pos(), set_unpert_pos_w_vel(), std_out_dir(), and to_json().

size_t Box_Opt::Ng_pwr

Definition at line 61 of file params.hpp.

Referenced by gen_dens_binned(), and get_vel_from_par().

size_t Box_Opt::par_num

Definition at line 61 of file params.hpp.

Referenced by App_Var< T >::Impl< T >::alloc_particles(), get_rho_from_par(), get_vel_from_par(), print_par_pos_cut_small(), set_pert_pos(), set_unpert_pos(), and set_unpert_pos_w_vel().

size_t Box_Opt::par_num_1d

Definition at line 58 of file params.hpp.

Referenced by from_json(), handle_cmd_line(), Other_par::init(), set_pert_pos(), set_unpert_pos(), set_unpert_pos_w_vel(), and to_json().

The documentation for this struct was generated from the following files: