dft_tools/triqs/gf/local/fourier_base.hpp

/*******************************************************************************
 *
 * TRIQS: a Toolbox for Research in Interacting Quantum Systems
 *
 * Copyright (C) 2011 by M. Ferrero, O. Parcollet
 *
 * 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/>.
 *
 ******************************************************************************/
#ifndef TRIQS_GF_LOCAL_FOURIER_BASE_H
#define TRIQS_GF_LOCAL_FOURIER_BASE_H
#include <triqs/arrays/vector.hpp>

namespace triqs { namespace gf {

 namespace details {

   namespace tqa = triqs::arrays;
   typedef std::complex<double> dcomplex;
   
   void fourier_base(const tqa::vector<dcomplex> &in, tqa::vector<dcomplex> &out, size_t L, bool direct);
   void fourier_base(const tqa::vector<dcomplex> &in, tqa::vector<dcomplex> &out, size_t L1, size_t L2, bool direct);

 }

 namespace tags { struct fourier{}; }

}}



#endif