/usr/include/TiledArray/expressions/subt_engine.h is in libtiledarray-dev 0.4.4-1.
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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 | /*
* 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
*
* subt_engine.h
* Mar 31, 2014
*
*/
#ifndef TILEDARRAY_SUBT_ENGINE_H__INCLUDED
#define TILEDARRAY_SUBT_ENGINE_H__INCLUDED
#include <TiledArray/expressions/binary_engine.h>
#include <TiledArray/tile_op/subt.h>
#include <TiledArray/tile_op/scal_subt.h>
namespace TiledArray {
namespace expressions {
// Forward declarations
template <typename, typename> class SubtExpr;
template <typename, typename> class ScalSubtExpr;
template <typename, typename> class SubtEngine;
template <typename, typename> class ScalSubtEngine;
template <typename Left, typename Right>
struct EngineTrait<SubtEngine<Left, Right> > :
public BinaryEngineTrait<Left, Right, TiledArray::math::Subt>
{ };
template <typename Left, typename Right>
struct EngineTrait<ScalSubtEngine<Left, Right> > :
public BinaryEngineTrait<Left, Right, TiledArray::math::ScalSubt>
{ };
/// Subtraction expression engine
/// \tparam Left The left-hand expression type
/// \tparam Right The right-hand expression type
template <typename Left, typename Right>
class SubtEngine : public BinaryEngine<SubtEngine<Left, Right> > {
public:
// Class hierarchy typedefs
typedef SubtEngine<Left, Right> SubtEngine_; ///< This class type
typedef BinaryEngine<SubtEngine<Left, Right> > BinaryEngine_; ///< Binary base class type
typedef typename BinaryEngine_::ExprEngine_ ExprEngine_; ///< Expression engine base type
// Argument typedefs
typedef typename EngineTrait<SubtEngine_>::left_type left_type; ///< The left-hand expression type
typedef typename EngineTrait<SubtEngine_>::right_type right_type; ///< The right-hand expression type
// Operational typedefs
typedef typename EngineTrait<SubtEngine_>::value_type value_type; ///< The result tile type
typedef typename EngineTrait<SubtEngine_>::op_type op_type; ///< The tile operation type
typedef typename EngineTrait<SubtEngine_>::policy policy; ///< The result policy type
typedef typename EngineTrait<SubtEngine_>::dist_eval_type dist_eval_type; ///< The distributed evaluator type
// Meta data typedefs
typedef typename EngineTrait<SubtEngine_>::size_type size_type; ///< Size type
typedef typename EngineTrait<SubtEngine_>::trange_type trange_type; ///< Tiled range type
typedef typename EngineTrait<SubtEngine_>::shape_type shape_type; ///< Shape type
typedef typename EngineTrait<SubtEngine_>::pmap_interface pmap_interface; ///< Process map interface type
/// Constructor
/// \tparam L The left-hand argument expression type
/// \tparam R The right-hand argument expression type
/// \param expr The parent expression
template <typename L, typename R>
SubtEngine(const SubtExpr<L, R>& expr) : BinaryEngine_(expr) { }
/// Non-permuting shape factory function
/// \return The result shape
shape_type make_shape() const {
return BinaryEngine_::left_.shape().subt(BinaryEngine_::right_.shape());
}
/// 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 BinaryEngine_::left_.shape().subt(BinaryEngine_::right_.shape(), perm);
}
/// Non-permuting tile operation factory function
/// \return The tile operation
static op_type make_tile_op() { return op_type(); }
/// Permuting tile operation factory function
/// \param perm The permutation to be applied to tiles
/// \return The tile operation
static op_type make_tile_op(const Permutation& perm) { return op_type(perm); }
/// Expression identification tag
/// \return An expression tag used to identify this expression
const char* make_tag() const { return "[-] "; }
}; // class SubtEngine
/// Subtraction expression engine
/// \tparam Left The left-hand expression type
/// \tparam Right The right-hand expression type
template <typename Left, typename Right>
class ScalSubtEngine : public BinaryEngine<ScalSubtEngine<Left, Right> > {
public:
// Class hierarchy typedefs
typedef ScalSubtEngine<Left, Right> ScalSubtEngine_; ///< This class type
typedef BinaryEngine<ScalSubtEngine<Left, Right> > BinaryEngine_; ///< Binary expression engine base type
typedef typename BinaryEngine_::ExprEngine_ ExprEngine_; ///< Expression engine base type
// Argument typedefs
typedef typename EngineTrait<ScalSubtEngine_>::left_type left_type; ///< The left-hand expression type
typedef typename EngineTrait<ScalSubtEngine_>::right_type right_type; ///< The right-hand expression type
// Operational typedefs
typedef typename EngineTrait<ScalSubtEngine_>::value_type value_type; ///< The result tile type
typedef typename EngineTrait<ScalSubtEngine_>::scalar_type scalar_type; ///< Tile scalar type
typedef typename EngineTrait<ScalSubtEngine_>::op_type op_type; ///< The tile operation type
typedef typename EngineTrait<ScalSubtEngine_>::policy policy; ///< The result policy type
typedef typename EngineTrait<ScalSubtEngine_>::dist_eval_type dist_eval_type; ///< The distributed evaluator type
// Meta data typedefs
typedef typename EngineTrait<ScalSubtEngine_>::size_type size_type; ///< Size type
typedef typename EngineTrait<ScalSubtEngine_>::trange_type trange_type; ///< Tiled range type
typedef typename EngineTrait<ScalSubtEngine_>::shape_type shape_type; ///< Shape type
typedef typename EngineTrait<ScalSubtEngine_>::pmap_interface pmap_interface; ///< Process map interface type
private:
scalar_type factor_; ///< Scaling factor
public:
/// Constructor
/// \tparam L The left-hand argument expression type
/// \tparam R The right-hand argument expression type
/// \param expr The parent expression
template <typename L, typename R>
ScalSubtEngine(const ScalSubtExpr<L, R>& expr) :
BinaryEngine_(expr), factor_(expr.factor())
{ }
/// Non-permuting shape factory function
/// \return The result shape
shape_type make_shape() const {
return BinaryEngine_::left_.shape().subt(BinaryEngine_::right_.shape(),
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 BinaryEngine_::left_.shape().subt(BinaryEngine_::right_.shape(),
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 ScalSubtEngine
} // namespace expressions
} // namespace TiledArray
#endif // TILEDARRAY_SUBT_ENGINE_H__INCLUDED
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