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dft_tools/triqs/gfs/local/fourier_base.hpp
2013-07-29 11:53:02 +02:00

46 lines
1.4 KiB
C++

/*******************************************************************************
*
* 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 gfs {
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