mirror of
https://github.com/cosmo-sims/monofonIC.git
synced 2024-09-19 17:03:45 +02:00
114 lines
3.5 KiB
C++
114 lines
3.5 KiB
C++
#pragma once
|
|
|
|
#include <map>
|
|
#include <string>
|
|
#include <general.hh>
|
|
#include <config_file.hh>
|
|
|
|
enum tf_type
|
|
{
|
|
total,
|
|
cdm,
|
|
baryon,
|
|
vtotal,
|
|
vcdm,
|
|
vbaryon,
|
|
total0
|
|
};
|
|
|
|
class TransferFunction_plugin
|
|
{
|
|
public:
|
|
// Cosmology cosmo_; //!< cosmological parameter, read from config_file
|
|
ConfigFile *pcf_; //!< pointer to config_file from which to read parameters
|
|
bool tf_distinct_; //!< bool if density transfer function is distinct for baryons and DM
|
|
bool tf_withvel_; //!< bool if also have velocity transfer functions
|
|
bool tf_withtotal0_; //!< have the z=0 spectrum for normalisation purposes
|
|
bool tf_velunits_; //!< velocities are in velocity units (km/s)
|
|
public:
|
|
//! constructor
|
|
TransferFunction_plugin(ConfigFile &cf)
|
|
: pcf_(&cf), tf_distinct_(false), tf_withvel_(false), tf_withtotal0_(false), tf_velunits_(false)
|
|
{
|
|
// real_t zstart;
|
|
// zstart = pcf_->getValue<real_t>("setup", "zstart");
|
|
// cosmo_.astart = 1.0 / (1.0 + zstart);
|
|
// cosmo_.Omega_b = pcf_->getValue<real_t>("cosmology", "Omega_b");
|
|
// cosmo_.Omega_m = pcf_->getValue<real_t>("cosmology", "Omega_m");
|
|
// cosmo_.Omega_DE = pcf_->getValue<real_t>("cosmology", "Omega_L");
|
|
// cosmo_.H0 = pcf_->getValue<real_t>("cosmology", "H0");
|
|
// cosmo_.sigma8 = pcf_->getValue<real_t>("cosmology", "sigma_8");
|
|
// cosmo_.nspect = pcf_->getValue<real_t>("cosmology", "nspec");
|
|
}
|
|
|
|
//! destructor
|
|
virtual ~TransferFunction_plugin(){};
|
|
|
|
//! compute value of transfer function at waven umber
|
|
virtual double compute(double k, tf_type type) = 0;
|
|
|
|
//! return maximum wave number allowed
|
|
virtual double get_kmax(void) = 0;
|
|
|
|
//! return minimum wave number allowed
|
|
virtual double get_kmin(void) = 0;
|
|
|
|
//! return if density transfer function is distinct for baryons and DM
|
|
bool tf_is_distinct(void)
|
|
{
|
|
return tf_distinct_;
|
|
}
|
|
|
|
//! return if we also have velocity transfer functions
|
|
bool tf_has_velocities(void)
|
|
{
|
|
return tf_withvel_;
|
|
}
|
|
|
|
//! return if we also have a z=0 transfer function for normalisation
|
|
bool tf_has_total0(void)
|
|
{
|
|
return tf_withtotal0_;
|
|
}
|
|
|
|
//! return if velocity returned is in velocity or in displacement units
|
|
bool tf_velocity_units(void)
|
|
{
|
|
return tf_velunits_;
|
|
}
|
|
};
|
|
|
|
//! Implements abstract factory design pattern for transfer function plug-ins
|
|
struct TransferFunction_plugin_creator
|
|
{
|
|
//! create an instance of a transfer function plug-in
|
|
virtual TransferFunction_plugin *create(ConfigFile &cf) const = 0;
|
|
|
|
//! destroy an instance of a plug-in
|
|
virtual ~TransferFunction_plugin_creator() {}
|
|
};
|
|
|
|
//! Write names of registered transfer function plug-ins to stdout
|
|
std::map<std::string, TransferFunction_plugin_creator *> &get_TransferFunction_plugin_map();
|
|
void print_TransferFunction_plugins(void);
|
|
|
|
//! Concrete factory pattern for transfer function plug-ins
|
|
template <class Derived>
|
|
struct TransferFunction_plugin_creator_concrete : public TransferFunction_plugin_creator
|
|
{
|
|
//! register the plug-in by its name
|
|
TransferFunction_plugin_creator_concrete(const std::string &plugin_name)
|
|
{
|
|
get_TransferFunction_plugin_map()[plugin_name] = this;
|
|
}
|
|
|
|
//! create an instance of the plug-in
|
|
TransferFunction_plugin *create(ConfigFile &cf) const
|
|
{
|
|
return new Derived(cf);
|
|
}
|
|
};
|
|
|
|
// typedef TransferFunction_plugin TransferFunction;
|
|
|
|
TransferFunction_plugin *select_TransferFunction_plugin(ConfigFile &cf);
|