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176 lines
6.9 KiB
C++
176 lines
6.9 KiB
C++
// This file is part of Eigen, a lightweight C++ template library
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// for linear algebra.
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//
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// Copyright (C) 2008 Gael Guennebaud <g.gael@free.fr>
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// Copyright (C) 2008 Benoit Jacob <jacob.benoit.1@gmail.com>
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//
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// Eigen is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 3 of the License, or (at your option) any later version.
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//
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// Alternatively, you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of
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// the License, or (at your option) any later version.
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//
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// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License and a copy of the GNU General Public License along with
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// Eigen. If not, see <http://www.gnu.org/licenses/>.
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#ifndef EIGEN_SPARSE_CWISE_H
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#define EIGEN_SPARSE_CWISE_H
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/** \internal
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* convenient macro to defined the return type of a cwise binary operation */
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#define EIGEN_SPARSE_CWISE_BINOP_RETURN_TYPE(OP) \
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CwiseBinaryOp<OP<typename ei_traits<ExpressionType>::Scalar>, ExpressionType, OtherDerived>
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#define EIGEN_SPARSE_CWISE_PRODUCT_RETURN_TYPE \
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SparseCwiseBinaryOp< \
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ei_scalar_product_op< \
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typename ei_scalar_product_traits< \
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typename ei_traits<ExpressionType>::Scalar, \
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typename ei_traits<OtherDerived>::Scalar \
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>::ReturnType \
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>, \
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ExpressionType, \
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OtherDerived \
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>
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/** \internal
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* convenient macro to defined the return type of a cwise unary operation */
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#define EIGEN_SPARSE_CWISE_UNOP_RETURN_TYPE(OP) \
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SparseCwiseUnaryOp<OP<typename ei_traits<ExpressionType>::Scalar>, ExpressionType>
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/** \internal
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* convenient macro to defined the return type of a cwise comparison to a scalar */
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/*#define EIGEN_CWISE_COMP_TO_SCALAR_RETURN_TYPE(OP) \
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CwiseBinaryOp<OP<typename ei_traits<ExpressionType>::Scalar>, ExpressionType, \
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NestByValue<typename ExpressionType::ConstantReturnType> >*/
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template<typename ExpressionType> class SparseCwise
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{
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public:
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typedef typename ei_traits<ExpressionType>::Scalar Scalar;
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typedef typename ei_meta_if<ei_must_nest_by_value<ExpressionType>::ret,
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ExpressionType, const ExpressionType&>::ret ExpressionTypeNested;
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typedef CwiseUnaryOp<ei_scalar_add_op<Scalar>, ExpressionType> ScalarAddReturnType;
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inline SparseCwise(const ExpressionType& matrix) : m_matrix(matrix) {}
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/** \internal */
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inline const ExpressionType& _expression() const { return m_matrix; }
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template<typename OtherDerived>
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const EIGEN_SPARSE_CWISE_PRODUCT_RETURN_TYPE
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operator*(const SparseMatrixBase<OtherDerived> &other) const;
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template<typename OtherDerived>
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const EIGEN_SPARSE_CWISE_PRODUCT_RETURN_TYPE
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operator*(const MatrixBase<OtherDerived> &other) const;
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// template<typename OtherDerived>
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// const EIGEN_SPARSE_CWISE_BINOP_RETURN_TYPE(ei_scalar_quotient_op)
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// operator/(const SparseMatrixBase<OtherDerived> &other) const;
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//
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// template<typename OtherDerived>
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// const EIGEN_SPARSE_CWISE_BINOP_RETURN_TYPE(ei_scalar_quotient_op)
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// operator/(const MatrixBase<OtherDerived> &other) const;
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template<typename OtherDerived>
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const EIGEN_SPARSE_CWISE_BINOP_RETURN_TYPE(ei_scalar_min_op)
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min(const SparseMatrixBase<OtherDerived> &other) const;
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template<typename OtherDerived>
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const EIGEN_SPARSE_CWISE_BINOP_RETURN_TYPE(ei_scalar_max_op)
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max(const SparseMatrixBase<OtherDerived> &other) const;
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const EIGEN_SPARSE_CWISE_UNOP_RETURN_TYPE(ei_scalar_abs_op) abs() const;
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const EIGEN_SPARSE_CWISE_UNOP_RETURN_TYPE(ei_scalar_abs2_op) abs2() const;
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// const EIGEN_SPARSE_CWISE_UNOP_RETURN_TYPE(ei_scalar_square_op) square() const;
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// const EIGEN_SPARSE_CWISE_UNOP_RETURN_TYPE(ei_scalar_cube_op) cube() const;
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// const EIGEN_SPARSE_CWISE_UNOP_RETURN_TYPE(ei_scalar_inverse_op) inverse() const;
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// const EIGEN_SPARSE_CWISE_UNOP_RETURN_TYPE(ei_scalar_sqrt_op) sqrt() const;
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// const EIGEN_SPARSE_CWISE_UNOP_RETURN_TYPE(ei_scalar_exp_op) exp() const;
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// const EIGEN_SPARSE_CWISE_UNOP_RETURN_TYPE(ei_scalar_log_op) log() const;
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// const EIGEN_SPARSE_CWISE_UNOP_RETURN_TYPE(ei_scalar_cos_op) cos() const;
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// const EIGEN_SPARSE_CWISE_UNOP_RETURN_TYPE(ei_scalar_sin_op) sin() const;
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// const EIGEN_SPARSE_CWISE_UNOP_RETURN_TYPE(ei_scalar_pow_op) pow(const Scalar& exponent) const;
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template<typename OtherDerived>
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inline ExpressionType& operator*=(const SparseMatrixBase<OtherDerived> &other);
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// template<typename OtherDerived>
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// inline ExpressionType& operator/=(const SparseMatrixBase<OtherDerived> &other);
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/*
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template<typename OtherDerived> const EIGEN_CWISE_BINOP_RETURN_TYPE(std::less)
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operator<(const MatrixBase<OtherDerived>& other) const;
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template<typename OtherDerived> const EIGEN_CWISE_BINOP_RETURN_TYPE(std::less_equal)
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operator<=(const MatrixBase<OtherDerived>& other) const;
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template<typename OtherDerived> const EIGEN_CWISE_BINOP_RETURN_TYPE(std::greater)
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operator>(const MatrixBase<OtherDerived>& other) const;
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template<typename OtherDerived> const EIGEN_CWISE_BINOP_RETURN_TYPE(std::greater_equal)
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operator>=(const MatrixBase<OtherDerived>& other) const;
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template<typename OtherDerived> const EIGEN_CWISE_BINOP_RETURN_TYPE(std::equal_to)
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operator==(const MatrixBase<OtherDerived>& other) const;
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template<typename OtherDerived> const EIGEN_CWISE_BINOP_RETURN_TYPE(std::not_equal_to)
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operator!=(const MatrixBase<OtherDerived>& other) const;
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// comparisons to a scalar value
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const EIGEN_CWISE_COMP_TO_SCALAR_RETURN_TYPE(std::less)
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operator<(Scalar s) const;
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const EIGEN_CWISE_COMP_TO_SCALAR_RETURN_TYPE(std::less_equal)
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operator<=(Scalar s) const;
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const EIGEN_CWISE_COMP_TO_SCALAR_RETURN_TYPE(std::greater)
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operator>(Scalar s) const;
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const EIGEN_CWISE_COMP_TO_SCALAR_RETURN_TYPE(std::greater_equal)
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operator>=(Scalar s) const;
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const EIGEN_CWISE_COMP_TO_SCALAR_RETURN_TYPE(std::equal_to)
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operator==(Scalar s) const;
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const EIGEN_CWISE_COMP_TO_SCALAR_RETURN_TYPE(std::not_equal_to)
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operator!=(Scalar s) const;
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*/
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// allow to extend SparseCwise outside Eigen
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#ifdef EIGEN_SPARSE_CWISE_PLUGIN
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#include EIGEN_SPARSE_CWISE_PLUGIN
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#endif
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protected:
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ExpressionTypeNested m_matrix;
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};
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template<typename Derived>
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inline const SparseCwise<Derived>
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SparseMatrixBase<Derived>::cwise() const
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{
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return derived();
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}
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template<typename Derived>
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inline SparseCwise<Derived>
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SparseMatrixBase<Derived>::cwise()
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{
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return derived();
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}
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#endif // EIGEN_SPARSE_CWISE_H
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