77 lines
2.4 KiB
C
77 lines
2.4 KiB
C
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// 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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// This Source Code Form is subject to the terms of the Mozilla
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// Public License v. 2.0. If a copy of the MPL was not distributed
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// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#ifndef EIGEN_MISC_SOLVE_H
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#define EIGEN_MISC_SOLVE_H
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namespace Eigen {
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namespace internal {
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/** \class solve_retval_base
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*
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*/
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template<typename DecompositionType, typename Rhs>
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struct traits<solve_retval_base<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::PlainObject::Options,
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MatrixType::MaxColsAtCompileTime,
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Rhs::MaxColsAtCompileTime> ReturnType;
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};
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template<typename _DecompositionType, typename Rhs> struct solve_retval_base
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: public ReturnByValue<solve_retval_base<_DecompositionType, Rhs> >
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{
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typedef typename remove_all<typename Rhs::Nested>::type RhsNestedCleaned;
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typedef _DecompositionType DecompositionType;
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typedef ReturnByValue<solve_retval_base> Base;
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typedef typename Base::Index Index;
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solve_retval_base(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 Index rows() const { return m_dec.cols(); }
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inline Index cols() const { return m_rhs.cols(); }
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inline const DecompositionType& dec() const { return m_dec; }
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inline const RhsNestedCleaned& rhs() const { return m_rhs; }
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template<typename Dest> inline void evalTo(Dest& dst) const
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{
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static_cast<const solve_retval<DecompositionType,Rhs>*>(this)->evalTo(dst);
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}
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protected:
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const DecompositionType& m_dec;
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typename Rhs::Nested m_rhs;
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};
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} // end namespace internal
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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 MatrixType::Index Index; \
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typedef Eigen::internal::solve_retval_base<DecompositionType,Rhs> Base; \
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using Base::dec; \
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using Base::rhs; \
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using Base::rows; \
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using Base::cols; \
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solve_retval(const DecompositionType& dec, const Rhs& rhs) \
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: Base(dec, rhs) {}
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} // end namespace Eigen
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#endif // EIGEN_MISC_SOLVE_H
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