mirror of
https://github.com/cosmo-sims/MUSIC.git
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63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
// This file is part of MUSIC
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// A software package to generate ICs for cosmological simulations
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// Copyright (C) 2010-2024 by Oliver Hahn
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//
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// monofonIC is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// monofonIC is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "random.hh"
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std::map<std::string, RNG_plugin_creator *> &
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get_RNG_plugin_map()
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{
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static std::map<std::string, RNG_plugin_creator *> RNG_plugin_map;
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return RNG_plugin_map;
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}
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void print_RNG_plugins()
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{
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std::map<std::string, RNG_plugin_creator *> &m = get_RNG_plugin_map();
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std::map<std::string, RNG_plugin_creator *>::iterator it;
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it = m.begin();
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std::cout << " - Available random number generator plug-ins:\n";
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while (it != m.end())
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{
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if ((*it).second)
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std::cout << "\t\'" << (*it).first << "\'\n";
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++it;
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}
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}
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RNG_plugin *select_RNG_plugin(config_file &cf)
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{
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std::string rngname = cf.get_value_safe<std::string>("random", "generator", "MUSIC");
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RNG_plugin_creator *the_RNG_plugin_creator = get_RNG_plugin_map()[rngname];
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if (!the_RNG_plugin_creator)
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{
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std::cerr << " - Error: random number generator plug-in \'" << rngname << "\' not found." << std::endl;
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music::elog.Print("Invalid/Unregistered random number generator plug-in encountered : %s", rngname.c_str());
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print_RNG_plugins();
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throw std::runtime_error("Unknown random number generator plug-in");
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}
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else
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{
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std::cout << " - Selecting random number generator plug-in \'" << rngname << "\'..." << std::endl;
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music::ulog.Print("Selecting random number generator plug-in : %s", rngname.c_str());
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}
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RNG_plugin *the_RNG_plugin = the_RNG_plugin_creator->create(cf);
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return the_RNG_plugin;
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}
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