Fast Methods for Cosmological Simulations
FastSim serves as a tool for quick N-body simulations in modified gravity.
App_Var_FP Class Reference

: class containing variables and methods for Frozen-potential approximation More...

#include <frozen_potential.hpp>

Inheritance diagram for App_Var_FP:
Collaboration diagram for App_Var_FP:

Public Member Functions

 App_Var_FP (const Sim_Param &sim)
 
- Public Member Functions inherited from App_Var< Particle_v< double > >
 App_Var (const Sim_Param &sim, const std::string &app_short, const std::string &app_long)
 
virtual ~App_Var ()
 
void run_simulation ()
 
virtual void update_cosmo (Cosmo_Param &cosmo)
 no truncation by default More...
 
std::string get_out_dir () const
 

Protected Member Functions

 App_Var_FP (const Sim_Param &sim, const std::string &app_short, const std::string &app_long)
 
- Protected Member Functions inherited from App_Var< Particle_v< double > >
double a ()
 
double a_half ()
 
double da ()
 
std::string get_z_suffix () const
 
virtual void print_output ()
 
virtual void pot_corr (std::vector< Mesh > &vel_field, Mesh &pot_k)
 

Private Member Functions

void upd_pos () override
 

Additional Inherited Members

- Protected Attributes inherited from App_Var< Particle_v< double > >
const Sim_Paramsim
 
uint64_t memory_alloc
 
std::vector< Meshapp_field
 
std::vector< Meshpower_aux
 
std::vector< Particle_v< double > > particles
 
Data_Vec< double, 2 > corr_func_binned
 
Data_Vec< double, 2 > pwr_spec_binned
 
Data_Vec< double, 2 > pwr_spec_binned_0
 
Data_Vec< double, 2 > vel_pwr_spec_binned_0
 
FFTW_PLAN_TYPE p_F
 
FFTW_PLAN_TYPE p_B
 
FFTW_PLAN_TYPE p_F_pwr
 
FFTW_PLAN_TYPE p_B_pwr
 
std::vector< size_t > dens_binned
 

Detailed Description

: class containing variables and methods for Frozen-potential approximation

PUBLIC METHODS * PUBLIC CLASSES *

Definition at line 35 of file frozen_potential.hpp.

Constructor & Destructor Documentation

App_Var_FP::App_Var_FP ( const Sim_Param sim)

Definition at line 15 of file frozen_potential.cpp.

15  :
16  App_Var<Particle_v<FTYPE_t>>(sim, "FP", "Frozen-potential approximation") {}
class containing core variables and methods for approximations
Definition: app_var.hpp:41
App_Var_FP::App_Var_FP ( const Sim_Param sim,
const std::string &  app_short,
const std::string &  app_long 
)
protected

Definition at line 18 of file frozen_potential.cpp.

18  :
19  App_Var<Particle_v<FTYPE_t>>(sim, app_short, app_long) {}
class containing core variables and methods for approximations
Definition: app_var.hpp:41

Member Function Documentation

void App_Var_FP::upd_pos ( )
overrideprivatevirtual

Implements App_Var< Particle_v< double > >.

Reimplemented in App_Var_PM.

Definition at line 21 of file frozen_potential.cpp.

References App_Var< Particle_v< double > >::a_half(), App_Var< Particle_v< double > >::app_field, Sim_Param::box_opt, Sim_Param::cosmo, App_Var< Particle_v< double > >::da(), kick_step_w_momentum(), Box_Opt::mesh_num, App_Var< Particle_v< double > >::particles, App_Var< Particle_v< double > >::sim, and stream_kick_stream().

22 {// Leapfrog method for frozen-potential
23  auto kick_step = [&](){ kick_step_w_momentum(sim.cosmo, a_half(), da(), particles, app_field); };
25 }
void stream_kick_stream(const double da, std::vector< Particle_v< double >> &particles, std::function< void()> kick_step, size_t per)
Definition: integration.cpp:24
Box_Opt box_opt
Definition: params.hpp:202
void kick_step_w_momentum(const Cosmo_Param &cosmo, const double a, const double da, std::vector< Particle_v< double >> &particles, const std::vector< Mesh > &force_field)
Definition: integration.cpp:48
std::vector< Mesh > app_field
Definition: app_var.hpp:63
Cosmo_Param cosmo
Definition: params.hpp:206
std::vector< Particle_v< double > > particles
Definition: app_var.hpp:65
size_t mesh_num
Definition: params.hpp:58

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