mirror of
https://github.com/cosmo-sims/monofonIC.git
synced 2024-09-19 17:03:45 +02:00
95 lines
No EOL
2.4 KiB
C++
95 lines
No EOL
2.4 KiB
C++
#pragma once
|
|
|
|
#include <map>
|
|
#include <config_file.hh>
|
|
#include <general.hh>
|
|
#include <grid_fft.hh>
|
|
|
|
#define DEF_RAN_CUBE_SIZE 32
|
|
|
|
class RNG_plugin
|
|
{
|
|
protected:
|
|
config_file *pcf_; //!< pointer to config_file from which to read parameters
|
|
public:
|
|
explicit RNG_plugin(config_file &cf)
|
|
: pcf_(&cf)
|
|
{
|
|
}
|
|
virtual ~RNG_plugin() {}
|
|
virtual bool isMultiscale() const = 0;
|
|
virtual void Fill_Grid( Grid_FFT<real_t>& g ) = 0;//const = 0;
|
|
//virtual void FillGrid(int level, DensityGrid<real_t> &R) = 0;
|
|
};
|
|
|
|
struct RNG_plugin_creator
|
|
{
|
|
virtual std::unique_ptr<RNG_plugin> Create(config_file &cf) const = 0;
|
|
virtual ~RNG_plugin_creator() {}
|
|
};
|
|
|
|
std::map<std::string, RNG_plugin_creator *> & get_RNG_plugin_map();
|
|
|
|
void print_RNG_plugins(void);
|
|
|
|
template <class Derived>
|
|
struct RNG_plugin_creator_concrete : public RNG_plugin_creator
|
|
{
|
|
//! register the plugin by its name
|
|
RNG_plugin_creator_concrete(const std::string &plugin_name)
|
|
{
|
|
get_RNG_plugin_map()[plugin_name] = this;
|
|
}
|
|
|
|
//! create an instance of the plugin
|
|
std::unique_ptr<RNG_plugin> Create(config_file &cf) const
|
|
{
|
|
return std::make_unique<Derived>(cf);
|
|
}
|
|
};
|
|
|
|
typedef RNG_plugin RNG_instance;
|
|
std::unique_ptr<RNG_plugin> select_RNG_plugin( config_file &cf);
|
|
|
|
// /*!
|
|
// * @brief encapsulates all things for multi-scale white noise generation
|
|
// */
|
|
// template <typename T>
|
|
// class random_number_generator
|
|
// {
|
|
// protected:
|
|
// config_file *pcf_;
|
|
// //const refinement_hierarchy * prefh_;
|
|
// RNG_plugin *generator_;
|
|
// int levelmin_, levelmax_;
|
|
|
|
// public:
|
|
// //! constructor
|
|
// random_number_generator( config_file &cf )
|
|
// : pcf_(&cf) //, prefh_( &refh )
|
|
// {
|
|
// levelmin_ = pcf_->get_value<int>("setup", "levelmin");
|
|
// levelmax_ = pcf_->get_value<int>("setup", "levelmax");
|
|
// generator_ = select_RNG_plugin(cf);
|
|
// }
|
|
|
|
// //! destructor
|
|
// ~random_number_generator()
|
|
// {
|
|
// }
|
|
|
|
// //! initialize_for_grid_structure
|
|
// /*void initialize_for_grid_structure(const refinement_hierarchy &refh)
|
|
// {
|
|
// generator_->initialize_for_grid_structure(refh);
|
|
// }*/
|
|
|
|
// //! load random numbers to a new array
|
|
// template <typename array>
|
|
// void load(array &A, int ilevel)
|
|
// {
|
|
// generator_->FillGrid(ilevel, A);
|
|
// }
|
|
// };
|
|
|
|
// typedef random_number_generator<real_t> noise_generator;
|