/usr/include/TiledArray/tile_op/noop.h is in libtiledarray-dev 0.6.0-5.
This file is owned by root:root, with mode 0o644.
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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
*
* noop.h
* June 27, 2013
*
*/
#ifndef TILEDARRAY_TILE_OP_NOOP_H__INCLUDED
#define TILEDARRAY_TILE_OP_NOOP_H__INCLUDED
#include <TiledArray/tile_op/tile_interface.h>
namespace TiledArray {
/// Tile no operation (noop)
/// This no operation will return the original or apply a permutation to the
/// result tensor. If no permutation is given or the permutation is null,
/// then the result is not permuted.
/// \tparam Arg The argument type
/// \tparam Consumable Flag that is \c true when Arg is consumable
template <typename Arg, bool Consumable>
class Noop {
public:
typedef Noop<Arg, Consumable> Noop_; ///< This object type
typedef Arg argument_type; ///< The argument type
typedef Arg result_type; ///< The result tile type
static constexpr bool is_consumable = Consumable;
private:
// Permuting tile evaluation function
// These operations cannot consume the argument tile since this operation
// requires temporary storage space.
static result_type eval(const Arg& arg, const Permutation& perm) {
using TiledArray::permute;
return permute(arg, perm);
}
// Non-permuting tile evaluation functions
// The compiler will select the correct functions based on the
// consumability of the arguments.
template <bool C, typename std::enable_if<!C>::type* = nullptr>
static result_type eval(const Arg& arg) {
using TiledArray::clone;
return clone(arg);
}
template <bool C, typename std::enable_if<C>::type* = nullptr>
static result_type eval(Arg& arg) { return arg; }
public:
/// Permute operator
/// \tparam A The tile argument type
/// \param arg The tile argument
/// \param perm The permutation applied to the result tile
/// \return A permuted copy of `arg`
result_type operator()(const argument_type& arg, const Permutation& perm) const {
return eval(arg, perm);
}
/// Clone operator
/// \tparam A The tile argument type
/// \param arg The tile argument
/// \return A clone of the `arg`
template <typename A>
result_type operator()(A&& arg) const {
return Noop_::template eval<is_consumable>(arg);
}
/// Pass-through operations (shallow copy)
/// \param arg The tile argument
/// \return `arg`
result_type consume(argument_type& arg) const {
return Noop_::template eval<is_consumable_tile<Arg>::value>(arg);
}
}; // class Noop
} // namespace TiledArray
#endif // TILEDARRAY_TILE_OP_NOOP_H__INCLUDED
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