/usr/include/TiledArray/tile_op/neg.h is in libtiledarray-dev 0.4.4-1.
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 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 | /*
* This file is a part of TiledArray.
* Copyright (C) 2013 Virginia Tech
*
* 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 3 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/>.
*
* Justus Calvin
* Department of Chemistry, Virginia Tech
*
* neg.h
* May 7, 2013
*
*/
#ifndef TILEDARRAY_TILE_OP_NEG_H__INCLUDED
#define TILEDARRAY_TILE_OP_NEG_H__INCLUDED
#include <TiledArray/tile_op/unary_interface.h>
namespace TiledArray {
namespace math {
/// Tile negation operation
/// This negation operation will negate the content a tile and apply a
/// permutation to the result tensor. If no permutation is given or the
/// permutation is null, then the result is not permuted.
/// \tparam Result The result type
/// \tparam Arg The argument type
/// \tparam Consumable Flag that is \c true when Arg is consumable
template <typename Result, typename Arg, bool Consumable>
class Neg : public UnaryInterface<Neg<Result, Arg, Consumable> > {
public:
typedef Neg<Result, Arg, Consumable> Neg_; ///< This object type
typedef UnaryInterface<Neg_> UnaryInterface_;
typedef typename UnaryInterface_::argument_type argument_type; ///< The argument type
typedef typename UnaryInterface_::result_type result_type; ///< The result tile type
/// Default constructor
/// Construct a negation operation that does not permute the result tile
Neg() : UnaryInterface_() { }
/// Permute constructor
/// Construct a negation operation that permutes the result tensor
/// \param perm The permutation to apply to the result tile
Neg(const Permutation& perm) : UnaryInterface_(perm) { }
/// Copy constructor
/// \param other The negation operation object to be copied
Neg(const Neg_& other) : UnaryInterface_(other) { }
/// Copy assignment
/// \param other The negation operation object to be copied
/// \return A reference to this object
Neg_& operator=(const Neg_& other) {
UnaryInterface_::operator =(other);
return *this;
}
// Import interface from base class
using UnaryInterface_::operator();
// Permuting tile evaluation function
// These operations cannot consume the argument tile since this operation
// requires temporary storage space.
result_type permute(const Arg& arg) const {
return TiledArray::neg(arg, UnaryInterface_::permutation());
}
// Non-permuting tile evaluation functions
// The compiler will select the correct functions based on the consumability
// of the arguments.
template <bool C>
static typename std::enable_if<!C, result_type>::type
no_permute(const Arg& arg) {
return TiledArray::neg(arg);
}
template <bool C>
static typename std::enable_if<C, result_type>::type
no_permute(Arg& arg) {
return TiledArray::neg_to(arg);
}
}; // class Neg
} // namespace math
} // namespace TiledArray
#endif // TILEDARRAY_TILE_OP_NEG_H__INCLUDED
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