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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>
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
#ifndef EIGEN_LAZY_H
#define EIGEN_LAZY_H
namespace Eigen {
/** \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();
}
} // end namespace Eigen
#endif // EIGEN_LAZY_H
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