/usr/include/TiledArray/expressions/tsr_engine.h is in libtiledarray-dev 0.6.0-5.
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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 | /*
* 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
*
* tsr_engine.h
* Mar 31, 2014
*
*/
#ifndef TILEDARRAY_EXPRESSIONS_TSR_ENGINE_H__INCLUDED
#define TILEDARRAY_EXPRESSIONS_TSR_ENGINE_H__INCLUDED
#include <TiledArray/expressions/leaf_engine.h>
#include <TiledArray/tile_op/noop.h>
#include <TiledArray/tile_op/unary_wrapper.h>
namespace TiledArray {
// Forward declaration
template <typename, typename> class DistArray;
namespace expressions {
// Forward declaration
template <typename, bool> class TsrExpr;
template <typename, bool> class TsrEngine;
template <typename Tile, typename Policy, bool Alias>
struct EngineTrait<TsrEngine<DistArray<Tile, Policy>, Alias> > {
// Argument typedefs
typedef DistArray<Tile, Policy> array_type; ///< The array type
// Operational typedefs
// Note: the consumable flag is true for noop to avoid necessary copies.
// This is OK because the result consumable flag is set to false.
typedef TiledArray::Noop<typename array_type::eval_type, true>
op_base_type; ///< The tile operation
typedef TiledArray::detail::UnaryWrapper<op_base_type> op_type;
typedef TiledArray::detail::LazyArrayTile<typename array_type::value_type,
op_type> value_type; ///< Tile type
typedef typename eval_trait<value_type>::type eval_type; ///< Evaluation tile type
typedef typename TiledArray::detail::scalar_type<DistArray<Tile, Policy> >::type scalar_type;
typedef Policy policy; ///< 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 = ! Alias;
static constexpr unsigned int leaves = 1;
};
/// Tensor expression engine
/// \tparam Array The `DistArray` type
/// \tparam Alias Indicates the array tiles should be computed as a
/// temporary before assignment
template <typename Array, bool Alias>
class TsrEngine : public LeafEngine<TsrEngine<Array, Alias> > {
public:
// Class hierarchy typedefs
typedef TsrEngine<Array, Alias> TsrEngine_; ///< This class type
typedef LeafEngine<TsrEngine_> LeafEngine_; ///< Leaf base class type
typedef typename LeafEngine_::ExprEngine_ ExprEngine_; ///< Expression engine base class
// Argument typedefs
typedef typename EngineTrait<TsrEngine_>::array_type array_type; ///< The `DistArray` type
// Operational typedefs
typedef typename EngineTrait<TsrEngine_>::value_type value_type; ///< Tensor value type
typedef typename EngineTrait<TsrEngine_>::op_base_type op_base_type; ///< Tile base operation type
typedef typename EngineTrait<TsrEngine_>::op_type op_type; ///< Tile operation type
typedef typename EngineTrait<TsrEngine_>::policy policy; ///< The result policy type
typedef typename EngineTrait<TsrEngine_>::dist_eval_type dist_eval_type; ///< This expression's distributed evaluator type
// Meta data typedefs
typedef typename EngineTrait<TsrEngine_>::size_type size_type; ///< Size type
typedef typename EngineTrait<TsrEngine_>::trange_type trange_type; ///< Tiled range type type
typedef typename EngineTrait<TsrEngine_>::shape_type shape_type; ///< Tensor shape type
typedef typename EngineTrait<TsrEngine_>::pmap_interface pmap_interface; ///< Process map interface type
template <typename A>
TsrEngine(const TsrExpr<A, Alias>& expr) : LeafEngine_(expr) { }
/// Non-permuting tile operation factory function
/// \return The tile operation
static op_type make_tile_op() {
return op_type(op_base_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(op_base_type(), perm);
}
}; // class TsrEngine
} // namespace expressions
} // namespace TiledArray
#endif // TILEDARRAY_EXPRESSIONS_TSR_ENGINE_H__INCLUDED
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