diff options
Diffstat (limited to 'Eigen/src/Cholesky/LLT.h')
| -rw-r--r-- | Eigen/src/Cholesky/LLT.h | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/Eigen/src/Cholesky/LLT.h b/Eigen/src/Cholesky/LLT.h index 38e820165..90194e64d 100644 --- a/Eigen/src/Cholesky/LLT.h +++ b/Eigen/src/Cholesky/LLT.h @@ -83,10 +83,10 @@ template<typename _MatrixType, int _UpLo> class LLT * according to the specified problem \a size. * \sa LLT() */ - LLT(Index size) : m_matrix(size, size), + explicit LLT(Index size) : m_matrix(size, size), m_isInitialized(false) {} - LLT(const MatrixType& matrix) + explicit LLT(const MatrixType& matrix) : m_matrix(matrix.rows(), matrix.cols()), m_isInitialized(false) { @@ -118,13 +118,13 @@ template<typename _MatrixType, int _UpLo> class LLT * \sa solveInPlace(), MatrixBase::llt(), SelfAdjointView::llt() */ template<typename Rhs> - inline const internal::solve_retval<LLT, Rhs> + inline const Solve<LLT, Rhs> solve(const MatrixBase<Rhs>& b) const { eigen_assert(m_isInitialized && "LLT is not initialized."); eigen_assert(m_matrix.rows()==b.rows() && "LLT::solve(): invalid number of rows of the right hand side matrix b"); - return internal::solve_retval<LLT, Rhs>(*this, b.derived()); + return Solve<LLT, Rhs>(*this, b.derived()); } template<typename Derived> @@ -161,6 +161,12 @@ template<typename _MatrixType, int _UpLo> class LLT template<typename VectorType> LLT rankUpdate(const VectorType& vec, const RealScalar& sigma = 1); + + #ifndef EIGEN_PARSED_BY_DOXYGEN + template<typename RhsType, typename DstType> + EIGEN_DEVICE_FUNC + void _solve_impl(const RhsType &rhs, DstType &dst) const; + #endif protected: /** \internal @@ -345,8 +351,8 @@ template<typename MatrixType> struct LLT_Traits<MatrixType,Lower> { typedef const TriangularView<const MatrixType, Lower> MatrixL; typedef const TriangularView<const typename MatrixType::AdjointReturnType, Upper> MatrixU; - static inline MatrixL getL(const MatrixType& m) { return m; } - static inline MatrixU getU(const MatrixType& m) { return m.adjoint(); } + static inline MatrixL getL(const MatrixType& m) { return MatrixL(m); } + static inline MatrixU getU(const MatrixType& m) { return MatrixU(m.adjoint()); } static bool inplace_decomposition(MatrixType& m) { return llt_inplace<typename MatrixType::Scalar, Lower>::blocked(m)==-1; } }; @@ -355,8 +361,8 @@ template<typename MatrixType> struct LLT_Traits<MatrixType,Upper> { typedef const TriangularView<const typename MatrixType::AdjointReturnType, Lower> MatrixL; typedef const TriangularView<const MatrixType, Upper> MatrixU; - static inline MatrixL getL(const MatrixType& m) { return m.adjoint(); } - static inline MatrixU getU(const MatrixType& m) { return m; } + static inline MatrixL getL(const MatrixType& m) { return MatrixL(m.adjoint()); } + static inline MatrixU getU(const MatrixType& m) { return MatrixU(m); } static bool inplace_decomposition(MatrixType& m) { return llt_inplace<typename MatrixType::Scalar, Upper>::blocked(m)==-1; } }; @@ -404,22 +410,16 @@ LLT<_MatrixType,_UpLo> LLT<_MatrixType,_UpLo>::rankUpdate(const VectorType& v, c return *this; } - -namespace internal { -template<typename _MatrixType, int UpLo, typename Rhs> -struct solve_retval<LLT<_MatrixType, UpLo>, Rhs> - : solve_retval_base<LLT<_MatrixType, UpLo>, Rhs> + +#ifndef EIGEN_PARSED_BY_DOXYGEN +template<typename _MatrixType,int _UpLo> +template<typename RhsType, typename DstType> +void LLT<_MatrixType,_UpLo>::_solve_impl(const RhsType &rhs, DstType &dst) const { - typedef LLT<_MatrixType,UpLo> LLTType; - EIGEN_MAKE_SOLVE_HELPERS(LLTType,Rhs) - - template<typename Dest> void evalTo(Dest& dst) const - { - dst = rhs(); - dec().solveInPlace(dst); - } -}; + dst = rhs; + solveInPlace(dst); } +#endif /** \internal use x = llt_object.solve(x); * |