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dft_tools/triqs/utility/kronecker.hpp
Olivier Parcollet 1e220d24c7 kronecker function and overload for matsubara_freq
Used in solver codes.
2014-03-02 17:11:48 +01:00

31 lines
1.0 KiB
C++

/*******************************************************************************
*
* TRIQS: a Toolbox for Research in Interacting Quantum Systems
*
* Copyright (C) 2014 by 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/>.
*
******************************************************************************/
#pragma once
#include <triqs/clef.hpp>
inline bool kronecker(int i, int j) { return i == j; }
namespace triqs {
namespace clef {
TRIQS_CLEF_MAKE_FNT_LAZY(kronecker);
}
}