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// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2008 Benoit Jacob <jacob.benoit.1@gmail.com>
//
// Eigen is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 3 of the License, or (at your option) any later version.
//
// Alternatively, 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 2 of
// the License, or (at your option) any later version.
//
// Eigen 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 Lesser General Public License or the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License and a copy of the GNU General Public License along with
// Eigen. If not, see <http://www.gnu.org/licenses/>.
#ifndef EIGEN_LAZY_H
#define EIGEN_LAZY_H
/** \deprecated it is only used by lazy() which is deprecated
*
* \returns an expression of *this with added flags
*
* Example: \include MatrixBase_marked.cpp
* Output: \verbinclude MatrixBase_marked.out
*
* \sa class Flagged, extract(), part()
*/
template<typename Derived>
template<unsigned int Added>
inline const Flagged<Derived, Added, 0>
MatrixBase<Derived>::marked() const
{
return derived();
}
/** \deprecated use MatrixBase::noalias()
*
* \returns an expression of *this with the EvalBeforeAssigningBit flag removed.
*
* Example: \include MatrixBase_lazy.cpp
* Output: \verbinclude MatrixBase_lazy.out
*
* \sa class Flagged, marked()
*/
template<typename Derived>
inline const Flagged<Derived, 0, EvalBeforeAssigningBit>
MatrixBase<Derived>::lazy() const
{
return derived();
}
/** \internal
* Overloaded to perform an efficient C += (A*B).lazy() */
template<typename Derived>
template<typename ProductDerived, typename Lhs, typename Rhs>
Derived& MatrixBase<Derived>::operator+=(const Flagged<ProductBase<ProductDerived, Lhs,Rhs>, 0,
EvalBeforeAssigningBit>& other)
{
other._expression().derived().addTo(derived()); return derived();
}
/** \internal
* Overloaded to perform an efficient C -= (A*B).lazy() */
template<typename Derived>
template<typename ProductDerived, typename Lhs, typename Rhs>
Derived& MatrixBase<Derived>::operator-=(const Flagged<ProductBase<ProductDerived, Lhs,Rhs>, 0,
EvalBeforeAssigningBit>& other)
{
other._expression().derived().subTo(derived()); return derived();
}
#endif // EIGEN_LAZY_H
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