chi_imtime.hpp

/*******************************************************************************
 *
 * TRIQS: a Toolbox for Research in Interacting Quantum Systems
 *
 * Copyright (C) 2017, H. U.R. Strand
 *
 * TRIQS is free software: you can redistribute it and/or modify it under the
 * terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * TRIQS is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * TRIQS. If not, see <http://www.gnu.org/licenses/>.
 *
 ******************************************************************************/
#pragma once
 
#include "../types.hpp"
 
namespace triqs_tprf {

chi_tr_t chi0_tr_from_grt_PH(g_tr_cvt g_tr);
chi_tr_t chi0_tr_from_grt_PH(g_tr_cvt g_tr, g_tr_cvt g_bwd_tr);
chi_Dtr_t chi0_tr_from_grt_PH(g_Dtr_cvt g_tr);
chi_Dtr_t chi0_tr_from_grt_PH(g_Dtr_cvt g_tr, g_Dtr_cvt g_bwd_tr);
chi_wr_t chi0_wr_from_grt_PH(g_tr_cvt g_tr, int nw);
chi_wr_t chi0_wr_from_grt_PH(g_tr_cvt g_tr, g_tr_cvt g_bwd_tr, int nw);

chi_wr_t chi0_w0r_from_grt_PH(g_tr_cvt g_tr);
chi_wr_t chi0_w0r_from_grt_PH(g_tr_cvt g_tr, g_tr_cvt g_bwd_tr);
chi_wr_t chi0_w0r_from_grt_PH(g_Dtr_cvt g_tr);
chi_wr_t chi0_w0r_from_grt_PH(g_Dtr_cvt g_tr, g_Dtr_cvt g_bwd_tr);

chi_wr_t chi_w0r_from_chi_tr(chi_tr_cvt chi_tr);
  
chi_wr_t chi_wr_from_chi_tr(chi_tr_cvt chi_tr, int nw);
chi_Dwr_t chi_wr_from_chi_tr(chi_Dtr_cvt chi_tr, int nw);

chi_tr_t chi_tr_from_chi_wr(chi_wr_cvt chi_wr, int ntau=-1);
chi_Dtr_t chi_tr_from_chi_wr(chi_Dwr_cvt chi_wr, int ntau=-1);

chi_wk_t chi_wk_from_chi_wr(chi_wr_cvt chi_wr);
chi_Dwk_t chi_wk_from_chi_wr(chi_Dwr_cvt chi_wr);

chi_wr_t chi_wr_from_chi_wk(chi_wk_cvt chi_wk);
chi_Dwr_t chi_wr_from_chi_wk(chi_Dwk_cvt chi_wk);
 
target_value_t<chi_t_t>::regular_type chi_trapz_tau(chi_t_cvt chi_t);
// internal helper, not part of the Python API
C2PY_IGNORE target_value_t<chi_t_t>::regular_type integrate_dlr_tau(chi_Dt_cvt chi_t);
 
} // namespace triqs_tprf