mirror of
https://github.com/triqs/dft_tools
synced 2024-12-26 14:23:38 +01:00
579368f24b
- lazy_fourier and co --> fourier - ex fourier --> make_gf_from_fourier to make a new gf - = fourier (g) works only iif lhs is a view, like scalar. - updated python (commented fourier method).
39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
#define TRIQS_ARRAYS_ENFORCE_BOUNDCHECK
|
|
#include <triqs/gfs.hpp>
|
|
using namespace triqs::gfs;
|
|
using namespace triqs::arrays;
|
|
#define TEST(X) std::cout << BOOST_PP_STRINGIZE((X)) << " ---> " << (X) << std::endl << std::endl;
|
|
#include <triqs/gfs/local/functions.hpp>
|
|
|
|
int main() {
|
|
try {
|
|
double beta = 1, a = 1;
|
|
|
|
// construct
|
|
auto gw_n = gf<imfreq, matrix_valued, no_tail>{{beta, Fermion}, {2, 2}};
|
|
auto gt_n = gf<imtime, matrix_valued, no_tail>{{beta, Fermion, 100}, {2, 2}};
|
|
|
|
// make a view from a g with a tail
|
|
auto gw = gf<imfreq, matrix_valued>{{beta, Fermion}, {2, 2}};
|
|
auto gt = gf<imtime, matrix_valued>{gf_mesh<imtime>{beta, Fermion, 100}, {2, 2}};
|
|
|
|
auto vw = make_gf_view_without_tail(gw);
|
|
auto vt = make_gf_view_without_tail(gt);
|
|
|
|
triqs::clef::placeholder<0> tau_;
|
|
// should not and does not compile : improve error message ???
|
|
// gt(tau_) << exp(-a * tau_) / (1 + exp(-beta * a));
|
|
vt(tau_) << exp(-a * tau_) / (1 + exp(-beta * a));
|
|
|
|
// test hdf5
|
|
H5::H5File file("ess_g_notail.h5", H5F_ACC_TRUNC);
|
|
h5_write(file, "g", vt);
|
|
|
|
// rebuilding a new gf...
|
|
auto g3 = make_gf_from_g_and_tail(vw, gw.singularity());
|
|
// need to test all this....
|
|
|
|
}
|
|
TRIQS_CATCH_AND_ABORT;
|
|
}
|