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dft_tools/test/triqs/gf/mpi_red.cpp
2013-07-29 11:53:02 +02:00

58 lines
1.6 KiB
C++

//#define TRIQS_ARRAYS_ENFORCE_BOUNDCHECK
#include <triqs/gfs/imfreq.hpp>
#include <triqs/gfs/imtime.hpp>
#include <triqs/gfs/block.hpp>
#include <triqs/gfs/local/functions.hpp>
#include <boost/mpi.hpp>
namespace tql= triqs::clef;
namespace tqa= triqs::arrays;
using tqa::range;
using triqs::arrays::make_shape;
using triqs::gfs::Fermion;
using triqs::gfs::imfreq;
using triqs::gfs::imtime;
using triqs::gfs::make_gf;
using triqs::gfs::gf;
using triqs::gfs::block_index;
#define TEST(X) std::cout << BOOST_PP_STRINGIZE((X)) << " ---> "<< (X) <<std::endl<<std::endl;
int main(int argc, char* argv[]) {
boost::mpi::environment env(argc,argv);
boost::mpi::communicator c;
double beta =1;
auto G = make_gf<imfreq> (beta, Fermion, make_shape(2,2));
triqs::clef::placeholder<0> om_;
//G(om_) << (om_ - 2.1);
auto G2 = G;
std::cout << c.rank() << "\t"<< G.singularity()<< std::endl;
boost::mpi::reduce(c, G, G2, std::plus<gf<imfreq>>(), 0);
std::cout << c.rank() << "\t" << G2.singularity()<< std::endl;
G(om_) << (om_ - 2.1);
//std::cout << c.rank() << "\t"<< G.singularity()<< std::endl;
//boost::mpi::reduce(c, G, G2, std::plus<gf<imfreq>>(), 0);
// std::cout << c.rank() << "\t" << G2.singularity()<< std::endl;
auto g3 = G2 + G;
std::cout << c.rank() << "\t" << g3.singularity()<< std::endl;
//auto Gi = make_gf<imfreq> (beta, Fermion, make_shape(2,2));
//G(om_) << (om_ - 2.1);
auto g4 = g3 + G;
//std::cout << c.rank() << "\t" << Gi.singularity()<< std::endl;
std::cout << c.rank() << "\t" << g4.singularity()<< std::endl;
std::cout << c.rank() << "\t" << g3.singularity() + g4.singularity()<< std::endl;
}