/usr/include/TiledArray/expressions/scal_engine.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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 | /*
* This file is a part of TiledArray.
* Copyright (C) 2014 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
*
* scal_engine.h
* Apr 1, 2014
*
*/
#ifndef TILEDARRAY_EXPRESSIONS_SCAL_ENGINE_H__INCLUDED
#define TILEDARRAY_EXPRESSIONS_SCAL_ENGINE_H__INCLUDED
#include <TiledArray/expressions/unary_engine.h>
#include <TiledArray/tile_op/scal.h>
#include <TiledArray/tile_op/unary_wrapper.h>
namespace TiledArray {
namespace expressions {
// Forward declarations
template <typename, typename> class ScalExpr;
template <typename, typename> class ScalEngine;
template <typename Arg, typename Scalar>
struct EngineTrait<ScalEngine<Arg, Scalar> > {
// Argument typedefs
typedef Arg argument_type; ///< The argument expression engine type
// Operational typedefs
typedef typename std::conditional<std::is_void<Scalar>::value,
typename EngineTrait<Arg>::scalar_type, Scalar>::type scalar_type; ///< Tile scalar type
typedef typename EngineTrait<Arg>::eval_type value_type; ///< The result tile type
typedef typename eval_trait<value_type>::type eval_type; ///< Evaluation tile type
typedef TiledArray::Scal<typename EngineTrait<Arg>::eval_type,
scalar_type, EngineTrait<Arg>::consumable> op_base_type; ///< The tile base operation type
typedef TiledArray::detail::UnaryWrapper<op_base_type> op_type; ///< The tile operation type
typedef typename argument_type::policy policy; ///< The result policy type
typedef TiledArray::detail::DistEval<value_type, policy> dist_eval_type; ///< The distributed evaluator type
// Meta data typedefs
typedef typename policy::size_type size_type; ///< Size type
typedef typename policy::trange_type trange_type; ///< Tiled range type
typedef typename policy::shape_type shape_type; ///< Shape type
typedef typename policy::pmap_interface pmap_interface; ///< Process map interface type
static constexpr bool consumable = true;
static constexpr unsigned int leaves = EngineTrait<Arg>::leaves;
};
/// Scaling expression engine
/// \tparam Arg The argument expression engine type
template <typename Arg, typename Scalar>
class ScalEngine : public UnaryEngine<ScalEngine<Arg, Scalar> > {
public:
// Class hierarchy typedefs
typedef ScalEngine<Arg, Scalar> ScalEngine_; ///< This class type
typedef UnaryEngine<ScalEngine_> UnaryEngine_; ///< Unary expression engine base type
typedef typename UnaryEngine_::ExprEngine_ ExprEngine_; ///< Expression engine base type
// Argument typedefs
typedef typename EngineTrait<ScalEngine_>::argument_type argument_type; ///< The argument expression engine type
// Operational typedefs
typedef typename EngineTrait<ScalEngine_>::value_type value_type; ///< The result tile type
typedef typename EngineTrait<ScalEngine_>::scalar_type scalar_type; ///< Tile scalar type
typedef typename EngineTrait<ScalEngine_>::op_type op_type; ///< The tile operation type
typedef typename EngineTrait<ScalEngine_>::policy policy; ///< The result policy type
typedef typename EngineTrait<ScalEngine_>::dist_eval_type dist_eval_type; ///< The distributed evaluator type
// Meta data typedefs
typedef typename EngineTrait<ScalEngine_>::size_type size_type; ///< Size type
typedef typename EngineTrait<ScalEngine_>::trange_type trange_type; ///< Tiled range type
typedef typename EngineTrait<ScalEngine_>::shape_type shape_type; ///< Shape type
typedef typename EngineTrait<ScalEngine_>::pmap_interface pmap_interface; ///< Process map interface type
private:
scalar_type factor_; ///< Scaling factor
public:
/// Constructor
/// \tparam A The argument expression type
/// \tparam S The expression scalar type
/// \param expr The parent expression
template <typename A, typename S>
ScalEngine(const ScalExpr<A, S>& expr) : UnaryEngine_(expr), factor_(expr.factor()) { }
/// Non-permuting shape factory function
/// \return The result shape
shape_type make_shape() const {
return UnaryEngine_::arg_.shape().scale(factor_);
}
/// Permuting shape factory function
/// \param perm The permutation to be applied to the array
/// \return The result shape
shape_type make_shape(const Permutation& perm) const {
return UnaryEngine_::arg_.shape().scale(factor_, perm);
}
/// Non-permuting tile operation factory function
/// \return The tile operation
op_type make_tile_op() const { return op_type(factor_); }
/// Permuting tile operation factory function
/// \param perm The permutation to be applied to tiles
/// \return The tile operation
op_type make_tile_op(const Permutation& perm) const { return op_type(perm, factor_); }
/// Expression identification tag
/// \return An expression tag used to identify this expression
std::string make_tag() const {
std::stringstream ss;
ss << "[" << factor_ << "] ";
return ss.str();
}
}; // class ScalEngine
} // namespace expressions
} // namespace TiledArray
#endif // TILEDARRAY_EXPRESSIONS_SCAL_ENGINE_H__INCLUDED
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