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gf: test of retime and refreq improved, the scalar_valued evaluator now works.

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This commit is contained in:
Laura Messio 2013-07-22 17:37:39 +02:00 committed by Olivier Parcollet
parent 43078dc597
commit 8b4404c1a9
3 changed files with 30 additions and 24 deletions
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30
test/triqs/gf/gf_retw.cpp
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@ -7,6 +7,7 @@ namespace tql= triqs::clef;
namespace tqa= triqs::arrays;
using tqa::range;
using triqs::arrays::make_shape;
using triqs::gf::scalar_valued;
using triqs::gf::Fermion;
using triqs::gf::refreq;
using triqs::gf::retime;
@ -17,21 +18,30 @@ using triqs::gf::make_gf;
int main() {
double beta =1;
auto G = make_gf<refreq> (-10, 10, 1000, make_shape(2,2));
auto Gt = make_gf<retime> (0, 10, 1000, make_shape(2,2));
auto Gt2 = make_gf<retime> (0, 10, 1000, make_shape(2,2));
double tmax=10;
int N=1000;
auto Gw = make_gf<refreq> (-10, 10, N, make_shape(2,2));
auto Gt = make_gf<retime> (0, tmax, N, make_shape(2,2));
auto Gw2 = make_gf<refreq,scalar_valued> (-10, 10, N);
auto Gt2 = make_gf<retime,scalar_valued> (0, tmax, N);
int i =0;
for (auto & t : Gt.mesh()) Gt(t) = 1.0*t*t;
for (auto & t : Gt.mesh()) Gt(t) = 1.0*t;
for (auto & w : Gw.mesh()) Gw(w) = 1.0*w;
triqs::clef::placeholder<0> t_;
Gt2( t_) << 2* t_; // * t_;
std::cout << Gt(3.255) << std::endl;
//std::cout << Gt(3.2) << std::endl;
triqs::clef::placeholder<1> w_;
Gt2( t_) << 1.0*t_;
Gw2( w_) << 1.0*w_;
std::cout << Gt(3.255)(0,0) << std::endl;
std::cout << Gt2(3.255) << std::endl;
std::cout << Gw(3.255)(0,0) << std::endl;
std::cout << Gw2(3.255) << std::endl;
// test hdf5
H5::H5File file("ess_gfre.h5", H5F_ACC_TRUNC );
h5_write(file, "gt", Gt);
h5_write(file, "gt2", Gt2);
h5_write(file, "gt", Gt);
h5_write(file, "gw", Gw);
}

13
triqs/gf/refreq.hpp
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@ -52,20 +52,19 @@ namespace triqs { namespace gf {
template<typename Opt, typename Target>
struct evaluator<refreq,Target,Opt> {
static constexpr int arity = 1;
typedef typename std::conditional < std::is_same<Target, matrix_valued>::value, arrays::matrix_view<std::complex<double>>, std::complex<double>>::type rtype;
typedef typename std::conditional < std::is_same<Target, matrix_valued>::value, arrays::matrix<std::complex<double> >, std::complex<double>>::type rtype;
template<typename G>
rtype operator() (G const * g,double w0) const {
auto & data = g->data();
auto & mesh = g->mesh();
size_t index; double w; bool in;
std::tie(in, index, w) = windowing(mesh,w0);
size_t n; double w; bool in;
std::tie(in, n, w) = windowing(g->mesh(),w0);
if (!in) TRIQS_RUNTIME_ERROR <<" Evaluation out of bounds";
return w*data(mesh.index_to_linear(index), arrays::ellipsis()) + (1-w)*data(mesh.index_to_linear(index+1), arrays::ellipsis());
auto gg = on_mesh(*g);
return (1-w) * gg(n) + w * gg(n+1);
}
template<typename G>
local::tail_view operator()(G const * g,freq_infty const &) const {return g->singularity();}
};
/// --------------------------- data access ---------------------------------
template<typename Opt> struct data_proxy<refreq,matrix_valued,Opt> : data_proxy_array<std::complex<double>,3> {};
template<typename Opt> struct data_proxy<refreq,scalar_valued,Opt> : data_proxy_array<std::complex<double>,1> {};

11
triqs/gf/retime.hpp
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@ -58,14 +58,11 @@ namespace triqs { namespace gf {
typedef typename std::conditional < std::is_same<Target, matrix_valued>::value, arrays::matrix<std::complex<double>>, std::complex<double>>::type rtype;
template<typename G>
rtype operator() (G const * g,double t0) const {
auto & data = g->data();
auto & mesh = g->mesh();
size_t index; double w; bool in;
std::tie(in, index, w) = windowing(mesh,t0);
size_t n; double w; bool in;
std::tie(in, n, w) = windowing(g->mesh(),t0);
if (!in) TRIQS_RUNTIME_ERROR <<" Evaluation out of bounds";
return
(1-w) * data(mesh.index_to_linear(index ), arrays::ellipsis() )
+ w * data(mesh.index_to_linear(index+1), arrays::ellipsis() );
auto gg = on_mesh(*g);
return (1-w) * gg(n) + w * gg(n+1);
}
template<typename G>
local::tail_view operator()(G const * g,freq_infty const &) const {return g->singularity();}