mirror of
https://github.com/triqs/dft_tools
synced 2024-12-26 06:14:14 +01:00
e6529b608e
- Use a new buffered_function to replace the complicated generator code from ALPS. - Clean the implementation of the random_generator - update the documentation - update to the new python wrapper (could not be done with the previous version, because of lack of move constructor).
82 lines
3.3 KiB
C++
82 lines
3.3 KiB
C++
/*******************************************************************************
|
|
*
|
|
* TRIQS: a Toolbox for Research in Interacting Quantum Systems
|
|
*
|
|
* Copyright (C) 2011-2014 by M. Ferrero, O. Parcollet
|
|
*
|
|
* TRIQS is free software: you can redistribute it and/or modify it under the
|
|
* terms of the GNU General Public License as published by the Free Software
|
|
* Foundation, either version 3 of the License, or (at your option) any later
|
|
* version.
|
|
*
|
|
* TRIQS is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
|
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
|
|
* details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with
|
|
* TRIQS. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
******************************************************************************/
|
|
#include "random_generator.hpp"
|
|
#include "./MersenneRNG.hpp"
|
|
#include <boost/random.hpp>
|
|
//#include <boost/random/uniform_int.hpp>
|
|
#include <boost/random/uniform_real.hpp>
|
|
//#include <boost/random/variate_generator.hpp>
|
|
#include <boost/random/mersenne_twister.hpp>
|
|
#include <boost/random/lagged_fibonacci.hpp>
|
|
#include <boost/random/ranlux.hpp>
|
|
#include <sstream>
|
|
#include <boost/preprocessor/seq.hpp>
|
|
#include <boost/preprocessor/control/if.hpp>
|
|
|
|
// List of All available Boost random number generator
|
|
#define RNG_LIST \
|
|
(mt19937)(mt11213b)(lagged_fibonacci607)(lagged_fibonacci1279)(lagged_fibonacci2281)(lagged_fibonacci3217)( \
|
|
lagged_fibonacci4423)(lagged_fibonacci9689)(lagged_fibonacci19937)(lagged_fibonacci23209)(lagged_fibonacci44497)(ranlux3)
|
|
|
|
namespace triqs {
|
|
namespace mc_tools {
|
|
|
|
random_generator::random_generator(std::string const& RandomGeneratorName, uint32_t seed_) {
|
|
_name = RandomGeneratorName;
|
|
|
|
if (RandomGeneratorName == "") {
|
|
gen = utility::buffered_function<double>(mc_tools::RandomGenerators::RandMT(seed_));
|
|
return;
|
|
}
|
|
|
|
boost::uniform_real<> dis;
|
|
|
|
#define AS_STRING(X) AS_STRING2(X)
|
|
#define AS_STRING2(X) #X
|
|
|
|
// now boost random number generators
|
|
#define DRNG(r, data, XX) \
|
|
if (RandomGeneratorName == AS_STRING(XX)) { \
|
|
gen = utility::buffered_function<double>(boost::variate_generator<boost::XX, boost::uniform_real<>>(boost::XX(seed_), dis)); \
|
|
return; \
|
|
}
|
|
|
|
BOOST_PP_SEQ_FOR_EACH(DRNG, ~, RNG_LIST)
|
|
|
|
TRIQS_RUNTIME_ERROR << "The random generator " << RandomGeneratorName << " is not recognized";
|
|
}
|
|
|
|
//---------------------------------------------
|
|
|
|
std::string random_generator_names(std::string const &sep) {
|
|
#define PR(r, sep, p, XX) BOOST_PP_IF(p, +sep +, ) std::string(AS_STRING(XX))
|
|
return BOOST_PP_SEQ_FOR_EACH_I(PR, sep, RNG_LIST);
|
|
}
|
|
|
|
std::vector<std::string> random_generator_names_list() {
|
|
std::vector<std::string> res;
|
|
#define PR2(r, sep, p, XX) res.push_back(AS_STRING(XX));
|
|
BOOST_PP_SEQ_FOR_EACH_I(PR2, sep, RNG_LIST);
|
|
return res;
|
|
}
|
|
}
|
|
}
|