/usr/include/TiledArray/expressions/tsr_expr.h is in libtiledarray-dev 0.4.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 | /*
* 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
*
* tsr_expr.h
* Apr 1, 2014
*
*/
#ifndef TILEDARRAY_EXPRESSIONS_TSR_EXPR_H__INCLUDED
#define TILEDARRAY_EXPRESSIONS_TSR_EXPR_H__INCLUDED
#include <TiledArray/expressions/add_expr.h>
#include <TiledArray/expressions/subt_expr.h>
#include <TiledArray/expressions/mult_expr.h>
#include <TiledArray/expressions/tsr_engine.h>
namespace TiledArray {
namespace expressions {
template <typename A>
struct ExprTrait<TsrExpr<A> > {
typedef A array_type; ///< The \c Array type
typedef TsrEngine<A> engine_type; ///< Expression engine type
typedef typename TiledArray::detail::scalar_type<A>::type scalar_type; ///< Tile scalar type
};
template <typename A>
struct ExprTrait<TsrExpr<const A> > {
typedef A array_type; ///< The \c Array type
typedef TsrEngine<A> engine_type; ///< Expression engine type
typedef typename TiledArray::detail::scalar_type<A>::type scalar_type; ///< Tile scalar type
};
/// Expression wrapper for array objects
/// \tparam A The \c TiledArray::Array type
template <typename A>
class TsrExpr : public Expr<TsrExpr<A> > {
public:
typedef TsrExpr<A> TsrExpr_; ///< This class type
typedef Expr<TsrExpr_> Expr_; ///< Base class type
typedef typename ExprTrait<TsrExpr_>::array_type array_type; ///< The array type
typedef typename ExprTrait<TsrExpr_>::engine_type engine_type; ///< Expression engine type
private:
array_type& array_; ///< The array that this expression
std::string vars_; ///< The tensor variable list
public:
/// Constructor
/// \param array The array object
/// \param vars The variable list that is associated with this expression
TsrExpr(array_type& array, const std::string& vars) :
array_(array), vars_(vars)
{ }
/// Copy constructor
/// \param other The expression to be copied
TsrExpr(const TsrExpr_& other) :
array_(other.array_), vars_(other.vars_)
{ }
/// Array accessor
/// \return A reference to the array
array_type& array() { return array_; }
/// Array accessor
/// \return a const reference to this array
const array_type& array() const { return array_; }
/// Array type conversion operator
/// \return A reference to the array
operator array_type& () { return array_; }
/// Const array type conversion operator
/// \return A const reference to the array
operator const array_type& () const { return array_; }
/// Expression assignment operator
/// \param other The expression that will be assigned to this array
TsrExpr_& operator=(TsrExpr_& other) {
other.eval_to(*this);
return *this;
}
/// Expression assignment operator
/// \tparam D The derived expression type
/// \param other The expression that will be assigned to this array
template <typename D>
TsrExpr_& operator=(const Expr<D>& other) {
other.derived().eval_to(*this);
return *this;
}
/// Expression plus-assignment operator
/// \tparam D The derived expression type
/// \param other The expression that will be added to this array
template <typename D>
TsrExpr_& operator+=(const Expr<D>& other) {
return operator=(AddExpr<TsrExpr<const array_type>, D>(*this, other.derived()));
}
/// Expression minus-assignment operator
/// \tparam D The derived expression type
/// \param other The expression that will be subtracted from this array
template <typename D>
TsrExpr_& operator-=(const Expr<D>& other) {
return operator=(SubtExpr<TsrExpr<const array_type>, D>(*this, other.derived()));
}
/// Expression multiply-assignment operator
/// \tparam D The derived expression type
/// \param other The expression that will scale this array
template <typename D>
TsrExpr_& operator*=(const Expr<D>& other) {
return operator=(MultExpr<TsrExpr<const array_type>, D>(*this, other.derived()));
}
/// Tensor variable string accessor
/// \return A const reference to the variable string for this tensor
const std::string& vars() const { return vars_; }
}; // class TsrExpr
/// Expression wrapper for const array objects
/// \tparam A The \c TiledArray::Array type
template <typename A>
class TsrExpr<const A> :
public Expr<TsrExpr<const A> >
{
public:
typedef TsrExpr<const A> TsrExpr_; ///< This class type
typedef Expr<TsrExpr_> Expr_; ///< Expression base type
typedef A array_type; ///< The array type
typedef typename ExprTrait<TsrExpr_>::engine_type engine_type; ///< Expression engine type
private:
const array_type& array_; ///< The array that this expression
std::string vars_; ///< The tensor variable string
// Not allowed
TsrExpr_& operator=(TsrExpr_&);
public:
/// Constructor
/// \param array The array object
/// \param vars The variable list that is associated with this expression
TsrExpr(const array_type& array, const std::string& vars) :
Expr_(), array_(array), vars_(vars) { }
/// Copy constructor
/// \param other The expression to be copied
TsrExpr(const TsrExpr_& other) : array_(other.array_), vars_(other.vars_) { }
/// Copy conversion
/// \param other The expression to be copied
explicit TsrExpr(const TsrExpr<array_type>& other) :
array_(other.array()), vars_(other.vars_)
{ }
/// Array accessor
/// \return a const reference to this array
const array_type& array() const { return array_; }
/// Tensor variable string accessor
/// \return A const reference to the variable string for this tensor
const std::string& vars() const { return vars_; }
}; // class TsrExpr<const Array<T, DIM, Tile, Policy> >
} // namespace expressions
} // namespace TiledArray
#endif // TILEDARRAY_EXPRESSIONS_TSR_EXPR_H__INCLUDED
|