/usr/include/TiledArray/expressions/scal_engine.h is in libtiledarray-dev 0.4.4-1.
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 | /*
* 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>
namespace TiledArray {
namespace expressions {
// Forward declarations
template <typename> class ScalExpr;
template <typename Arg> class ScalEngine;
template <typename Arg>
struct EngineTrait<ScalEngine<Arg> > :
public UnaryEngineTrait<Arg, TiledArray::math::Scal>
{ };
/// Scaling expression engine
/// \tparam Arg The argument expression engine type
template <typename Arg>
class ScalEngine : public UnaryEngine<ScalEngine<Arg> > {
public:
// Class hierarchy typedefs
typedef ScalEngine<Arg> 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
/// \param expr The parent expression
template <typename A>
ScalEngine(const ScalExpr<A>& 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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