mirror of
https://github.com/triqs/dft_tools
synced 2024-11-01 19:53:45 +01:00
42 lines
1.0 KiB
C++
42 lines
1.0 KiB
C++
#define TRIQS_ARRAYS_ENFORCE_BOUNDCHECK
|
|
#include <triqs/gfs.hpp>
|
|
#include <triqs/gfs/bz.hpp>
|
|
|
|
namespace h5 = triqs::h5;
|
|
using namespace triqs::gfs;
|
|
using namespace triqs::clef;
|
|
using namespace triqs::arrays;
|
|
using namespace triqs::lattice;
|
|
|
|
#define TEST(X) std::cout << BOOST_PP_STRINGIZE((X)) << " ---> " << (X) << std::endl << std::endl;
|
|
|
|
int main() {
|
|
try {
|
|
double beta = 1;
|
|
|
|
auto bz_ = brillouin_zone{bravais_lattice{make_unit_matrix<double>(2)}};
|
|
|
|
auto g_eps = gf<bz>{{bz_, 1000}, {1, 1}};
|
|
|
|
auto G = gf<cartesian_product<bz, imfreq>>{{{bz_, 100}, {beta, Fermion, 100}}, {1, 1}};
|
|
|
|
// try to assign to expression
|
|
placeholder<0> k_;
|
|
placeholder<1> w_;
|
|
|
|
auto eps_k = -2 * (cos(k_(0)) + cos(k_(1)));
|
|
G(k_, w_) << 1 / (w_ - eps_k - 1 / (w_ + 2));
|
|
|
|
// same
|
|
// auto eps = make_expr( [](k_t const& k) { return -2 * (cos(k(0)) + cos(k(1))); }) ;
|
|
// G(k_, w_) << 1 / (w_ - eps(k_) - 1 / (w_ + 2));
|
|
|
|
// hdf5
|
|
h5::file file("ess_g_k_om.h5", H5F_ACC_TRUNC);
|
|
h5_write(file, "g", G);
|
|
|
|
|
|
}
|
|
TRIQS_CATCH_AND_ABORT;
|
|
}
|