/usr/include/libint2/deriv_iter.h is in libint2-dev 2.3.0~beta3-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | /*
* This file is a part of Libint.
* Copyright (C) 2004-2014 Edward F. Valeev
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see http://www.gnu.org/licenses/.
*
*/
#ifndef _libint2_include_libint2_deriviter_h_
#define _libint2_include_libint2_deriviter_h_
#include <libint2/util/intpart_iter.h>
namespace libint2 {
/// Iterates over unique derivative indices
template <unsigned int NCenters> using CartesianDerivIterator =
FixedOrderedIntegerPartitionIterator<std::array<unsigned int, NCenters*3>>;
}
#endif /* header guard */
|