diff options
Diffstat (limited to 'Eigen/src/Array/Array.h')
-rw-r--r-- | Eigen/src/Array/Array.h | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/Eigen/src/Array/Array.h b/Eigen/src/Array/Array.h deleted file mode 100644 index 5fd074e76..000000000 --- a/Eigen/src/Array/Array.h +++ /dev/null @@ -1,152 +0,0 @@ -// This file is part of Eigen, a lightweight C++ template library -// for linear algebra. Eigen itself is part of the KDE project. -// -// Copyright (C) 2008 Gael Guennebaud <g.gael@free.fr> -// -// 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_ARRAY_H -#define EIGEN_ARRAY_H - -/** \class Array - * - * \brief Pseudo expression offering additional features to an expression - * - * \param ExpressionType the type of the object of which we want array related features - * - * This class represents an expression with additional, array related, features. - * It is the return type of MatrixBase::array() - * and most of the time this is the only way it is used. - * - * \sa MatrixBase::array() - */ -template<typename ExpressionType> class Array -{ - public: - - typedef typename ei_traits<ExpressionType>::Scalar Scalar; - typedef typename ei_meta_if<ei_must_nest_by_value<ExpressionType>::ret, - ExpressionType, const ExpressionType&>::ret ExpressionTypeNested; -// typedef NestByValue<typename ExpressionType::ConstantReturnType> ConstantReturnType; - typedef CwiseUnaryOp<ei_scalar_add_op<Scalar>, ExpressionType> ScalarAddReturnType; - - inline Array(const ExpressionType& matrix) : m_matrix(matrix) {} - - /** \internal */ - inline const ExpressionType& _expression() const { return m_matrix; } - - const ScalarAddReturnType - operator+(const Scalar& scalar) const; - - /** \relates Array */ - friend const ScalarAddReturnType - operator+(const Scalar& scalar, const Array& mat) - { return mat + scalar; } - - ExpressionType& operator+=(const Scalar& scalar); - - const ScalarAddReturnType - operator-(const Scalar& scalar) const; - - ExpressionType& operator-=(const Scalar& scalar); - - /** \returns true if each coeff of \c *this is less than its respective coeff of \a other */ - template<typename OtherDerived> bool operator<(const Array<OtherDerived>& other) const - { return m_matrix.cwiseLessThan(other._expression()).all(); } - - /** \returns true if each coeff of \c *this is less or equal to its respective coeff of \a other */ - template<typename OtherDerived> bool operator<=(const Array<OtherDerived>& other) const - { return m_matrix.cwiseLessEqual(other._expression()).all(); } - - /** \returns true if each coeff of \c *this is greater to its respective coeff of \a other */ - template<typename OtherDerived> - bool operator>(const Array<OtherDerived>& other) const - { return m_matrix.cwiseGreaterThan(other._expression()).all(); } - - /** \returns true if each coeff of \c *this is greater or equal to its respective coeff of \a other */ - template<typename OtherDerived> - bool operator>=(const Array<OtherDerived>& other) const - { return m_matrix.cwiseGreaterEqual(other._expression()).all(); } - - protected: - ExpressionTypeNested m_matrix; -}; - -/** \returns an expression of \c *this with each coeff incremented by the constant \a scalar */ -template<typename ExpressionType> -const typename Array<ExpressionType>::ScalarAddReturnType -Array<ExpressionType>::operator+(const Scalar& scalar) const -{ - return CwiseUnaryOp<ei_scalar_add_op<Scalar>, ExpressionType>(m_matrix, ei_scalar_add_op<Scalar>(scalar)); -} - -/** \see operator+ */ -template<typename ExpressionType> -ExpressionType& Array<ExpressionType>::operator+=(const Scalar& scalar) -{ - m_matrix.const_cast_derived() = *this + scalar; - return m_matrix.const_cast_derived(); -} - -/** \returns an expression of \c *this with each coeff decremented by the constant \a scalar */ -template<typename ExpressionType> -const typename Array<ExpressionType>::ScalarAddReturnType -Array<ExpressionType>::operator-(const Scalar& scalar) const -{ - return *this + (-scalar); -} - -/** \see operator- */ -template<typename ExpressionType> -ExpressionType& Array<ExpressionType>::operator-=(const Scalar& scalar) -{ - m_matrix.const_cast_derived() = *this - scalar; - return m_matrix.const_cast_derived(); -} - -/** \array_module - * - * \returns an Array expression of *this providing additional, - * array related, features. - * - * \sa class Array - */ -template<typename Derived> -inline const Array<Derived> -MatrixBase<Derived>::array() const -{ - return derived(); -} - -/** \array_module - * - * \returns an Array expression of *this providing additional, - * array related, features. - * - * \sa class Array - */ -template<typename Derived> -inline Array<Derived> -MatrixBase<Derived>::array() -{ - return derived(); -} - -#endif // EIGEN_FLAGGED_H |