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73 lines
2.8 KiB
C++
73 lines
2.8 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) 2009 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_MISC_SOLVE_H
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#define EIGEN_MISC_SOLVE_H
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/** \class ei_solve_return_value
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*
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*/
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template<typename DecompositionType, typename Rhs>
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struct ei_traits<ei_solve_return_value<DecompositionType, Rhs> >
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{
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typedef typename DecompositionType::MatrixType MatrixType;
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typedef Matrix<typename Rhs::Scalar,
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MatrixType::ColsAtCompileTime,
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Rhs::ColsAtCompileTime,
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Rhs::PlainMatrixType::Options,
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MatrixType::MaxColsAtCompileTime,
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Rhs::MaxColsAtCompileTime> ReturnMatrixType;
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};
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template<typename _DecompositionType, typename Rhs> struct ei_solve_return_value
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: public ReturnByValue<ei_solve_return_value<_DecompositionType, Rhs> >
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{
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typedef typename ei_cleantype<typename Rhs::Nested>::type RhsNestedCleaned;
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typedef _DecompositionType DecompositionType;
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const DecompositionType& m_dec;
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const typename Rhs::Nested m_rhs;
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ei_solve_return_value(const DecompositionType& dec, const Rhs& rhs)
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: m_dec(dec), m_rhs(rhs)
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{}
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inline int rows() const { return m_dec.cols(); }
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inline int cols() const { return m_rhs.cols(); }
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template<typename Dest> inline void evalTo(Dest& dst) const
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{
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static_cast<const ei_solve_impl<DecompositionType,Rhs>*>(this)->evalTo(dst);
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}
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};
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#define EIGEN_MAKE_SOLVE_HELPERS(DecompositionType,Rhs) \
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typedef typename DecompositionType::MatrixType MatrixType; \
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typedef typename MatrixType::Scalar Scalar; \
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typedef typename MatrixType::RealScalar RealScalar; \
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typedef typename ei_cleantype<typename Rhs::Nested>::type RhsNestedCleaned; \
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inline const DecompositionType& dec() const { return this->m_dec; } \
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inline const RhsNestedCleaned& rhs() const { return this->m_rhs; }
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#endif // EIGEN_MISC_SOLVE_H
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