示例#1
0
array<double,1> S() {
 array<double,1> res(mesh.size());
 for(auto pt : mesh) {
  int i = pt.index();
  double tau = double(pt);
  res(i) = 0.05*std::exp(-std::abs(tau - 0.5*beta));
 }
 return res;
}
示例#2
0
array<double,1> GF() {
 array<double,1> res(mesh.size());
 for(auto pt : mesh) {
  int i = pt.index();
  double tau = double(pt);
  res(i) = -0.5*(std::exp(-tau*1.3)/(1 + std::exp(-beta*1.3)) +
                 std::exp(tau*0.7)/(1 + std::exp(beta*0.7)));
 }
 return res;
}
示例#3
0
 gf_mesh<imtime, Opt> make_mesh_fourier_compatible(gf_mesh<imfreq, Opt> const& m, mesh_kind mk = full_bins) {
  int L = m.size() + (mk == full_bins ? 1 : 0);
  return {m.domain(), L};
 }
示例#4
0
 template <typename Opt> gf_mesh<imfreq, Opt> make_mesh_fourier_compatible(gf_mesh<imtime, Opt> const& m) {
  int L = m.size() - (m.kind() == full_bins ? 1 : 0);
  return {m.domain(), L};
 }
示例#5
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 friend gf_mesh mpi_gather(gf_mesh m, mpi::communicator c, int root) {
  return gf_mesh{m.domain(), m.size(), m.positive_only()};
 }
示例#6
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 /// Scatter a mesh over the communicator c
 friend gf_mesh mpi_scatter(gf_mesh m, mpi::communicator c, int root) {
  auto m2 = gf_mesh{m.domain(), m.size(), m.positive_only()};
  std::tie(m2._first_index_window, m2._last_index_window) = mpi::slice_range(m2._first_index, m2._last_index, c.size(), c.rank());
  return m2;
 }
示例#7
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 /// Write into HDF5
 friend void h5_write(h5::group fg, std::string subgroup_name, gf_mesh const &m) {
  h5::group gr = fg.create_group(subgroup_name);
  h5_write(gr, "domain", m.domain());
  h5_write(gr, "size", long(m.size()));
  h5_write(gr, "positive_freq_only", (m._positive_only?1:0));
 }