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https://github.com/triqs/dft_tools
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mc_tools : add debug print under macro
When TRIQS_MCTOOLS_DEBUG is defined, the qmc now reports some basic debug info (when is a move accepted, rejected, ...).
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@ -26,26 +26,34 @@
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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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namespace triqs {
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namespace mc_tools {
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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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// Performs one Metropolis step
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template <typename MCSignType> 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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#ifdef TRIQS_MCTOOLS_DEBUG
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std::cerr << " Move accepted " << std::endl;
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#endif
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signe *= MoveGroup.accept();
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#ifdef TRIQS_MCTOOLS_DEBUG
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std::cerr << " New sign = " << signe << std::endl;
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#endif
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} else {
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#ifdef TRIQS_MCTOOLS_DEBUG
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std::cerr << " Move rejected " << std::endl;
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#endif
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MoveGroup.reject();
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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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// Put heat Bath here ....
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}
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}
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}
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#endif
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