mirror of
https://github.com/triqs/dft_tools
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52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
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/*******************************************************************************
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*
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* TRIQS: a Toolbox for Research in Interacting Quantum Systems
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*
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* Copyright (C) 2011 by M. Ferrero, O. Parcollet
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*
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* TRIQS is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* TRIQS is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* TRIQS. If not, see <http://www.gnu.org/licenses/>.
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*
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******************************************************************************/
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#ifndef MC_STEPS_H
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#define MC_STEPS_H
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#include <boost/mpi.hpp>
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#include "mc_move_set.hpp"
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namespace triqs { namespace mc_tools { namespace Step {
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// Performs one Metropolis step
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template<typename MCSignType>
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struct Metropolis {
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static void do_it (move_set<MCSignType> & MoveGroup, random_generator & RNG, MCSignType & signe){
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double r = MoveGroup.attempt();
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if (RNG() < std::min(1.0,r)) {
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signe *= MoveGroup.accept();
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#ifdef DEBUG
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std::cerr<<" Metropolis sign = "<< signe <<std::endl;
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#endif
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}
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else MoveGroup.reject();
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}
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};
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// Put heat Bath here ....
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}}}
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#endif
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