Solve.h
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00001 // This file is part of Eigen, a lightweight C++ template library
00002 // for linear algebra.
00003 //
00004 // Copyright (C) 2010 Gael Guennebaud <gael.guennebaud@inria.fr>
00005 //
00006 // Eigen is free software; you can redistribute it and/or
00007 // modify it under the terms of the GNU Lesser General Public
00008 // License as published by the Free Software Foundation; either
00009 // version 3 of the License, or (at your option) any later version.
00010 //
00011 // Alternatively, you can redistribute it and/or
00012 // modify it under the terms of the GNU General Public License as
00013 // published by the Free Software Foundation; either version 2 of
00014 // the License, or (at your option) any later version.
00015 //
00016 // Eigen is distributed in the hope that it will be useful, but WITHOUT ANY
00017 // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00018 // FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the
00019 // GNU General Public License for more details.
00020 //
00021 // You should have received a copy of the GNU Lesser General Public
00022 // License and a copy of the GNU General Public License along with
00023 // Eigen. If not, see <http://www.gnu.org/licenses/>.
00024 
00025 #ifndef EIGEN_SPARSE_SOLVE_H
00026 #define EIGEN_SPARSE_SOLVE_H
00027 
00028 namespace internal {
00029 
00030 template<typename _DecompositionType, typename Rhs> struct sparse_solve_retval_base;
00031 template<typename _DecompositionType, typename Rhs> struct sparse_solve_retval;
00032   
00033 template<typename DecompositionType, typename Rhs>
00034 struct traits<sparse_solve_retval_base<DecompositionType, Rhs> >
00035 {
00036   typedef typename DecompositionType::MatrixType MatrixType;
00037   typedef SparseMatrix<typename Rhs::Scalar, Rhs::Options, typename Rhs::Index> ReturnType;
00038 };
00039 
00040 template<typename _DecompositionType, typename Rhs> struct sparse_solve_retval_base
00041  : public ReturnByValue<sparse_solve_retval_base<_DecompositionType, Rhs> >
00042 {
00043   typedef typename remove_all<typename Rhs::Nested>::type RhsNestedCleaned;
00044   typedef _DecompositionType DecompositionType;
00045   typedef ReturnByValue<sparse_solve_retval_base> Base;
00046   typedef typename Base::Index Index;
00047 
00048   sparse_solve_retval_base(const DecompositionType& dec, const Rhs& rhs)
00049     : m_dec(dec), m_rhs(rhs)
00050   {}
00051 
00052   inline Index rows() const { return m_dec.cols(); }
00053   inline Index cols() const { return m_rhs.cols(); }
00054   inline const DecompositionType& dec() const { return m_dec; }
00055   inline const RhsNestedCleaned& rhs() const { return m_rhs; }
00056 
00057   template<typename Dest> inline void evalTo(Dest& dst) const
00058   {
00059     static_cast<const sparse_solve_retval<DecompositionType,Rhs>*>(this)->evalTo(dst);
00060   }
00061 
00062   protected:
00063     const DecompositionType& m_dec;
00064     const typename Rhs::Nested m_rhs;
00065 };
00066 
00067 #define EIGEN_MAKE_SPARSE_SOLVE_HELPERS(DecompositionType,Rhs) \
00068   typedef typename DecompositionType::MatrixType MatrixType; \
00069   typedef typename MatrixType::Scalar Scalar; \
00070   typedef typename MatrixType::RealScalar RealScalar; \
00071   typedef typename MatrixType::Index Index; \
00072   typedef Eigen::internal::sparse_solve_retval_base<DecompositionType,Rhs> Base; \
00073   using Base::dec; \
00074   using Base::rhs; \
00075   using Base::rows; \
00076   using Base::cols; \
00077   sparse_solve_retval(const DecompositionType& dec, const Rhs& rhs) \
00078     : Base(dec, rhs) {}
00079     
00080 } // namepsace internal
00081 
00082 #endif // EIGEN_SPARSE_SOLVE_H


libicr
Author(s): Robert Krug
autogenerated on Mon Jan 6 2014 11:33:30