diff options
Diffstat (limited to 'Eigen/src/Core/products/SelfadjointMatrixVector.h')
| -rw-r--r-- | Eigen/src/Core/products/SelfadjointMatrixVector.h | 81 |
1 files changed, 36 insertions, 45 deletions
diff --git a/Eigen/src/Core/products/SelfadjointMatrixVector.h b/Eigen/src/Core/products/SelfadjointMatrixVector.h index 26e787949..372a44e47 100644 --- a/Eigen/src/Core/products/SelfadjointMatrixVector.h +++ b/Eigen/src/Core/products/SelfadjointMatrixVector.h @@ -169,45 +169,45 @@ EIGEN_DONT_INLINE void selfadjoint_matrix_vector_product<Scalar,Index,StorageOrd ***************************************************************************/ namespace internal { -template<typename Lhs, int LhsMode, typename Rhs> -struct traits<SelfadjointProductMatrix<Lhs,LhsMode,false,Rhs,0,true> > - : traits<ProductBase<SelfadjointProductMatrix<Lhs,LhsMode,false,Rhs,0,true>, Lhs, Rhs> > -{}; -} template<typename Lhs, int LhsMode, typename Rhs> -struct SelfadjointProductMatrix<Lhs,LhsMode,false,Rhs,0,true> - : public ProductBase<SelfadjointProductMatrix<Lhs,LhsMode,false,Rhs,0,true>, Lhs, Rhs > +struct selfadjoint_product_impl<Lhs,LhsMode,false,Rhs,0,true> { - EIGEN_PRODUCT_PUBLIC_INTERFACE(SelfadjointProductMatrix) - - enum { - LhsUpLo = LhsMode&(Upper|Lower) - }; - - SelfadjointProductMatrix(const Lhs& lhs, const Rhs& rhs) : Base(lhs,rhs) {} - - template<typename Dest> void scaleAndAddTo(Dest& dest, const Scalar& alpha) const + typedef typename Product<Lhs,Rhs>::Scalar Scalar; + typedef typename Product<Lhs,Rhs>::Index Index; + + typedef internal::blas_traits<Lhs> LhsBlasTraits; + typedef typename LhsBlasTraits::DirectLinearAccessType ActualLhsType; + typedef typename internal::remove_all<ActualLhsType>::type ActualLhsTypeCleaned; + + typedef internal::blas_traits<Rhs> RhsBlasTraits; + typedef typename RhsBlasTraits::DirectLinearAccessType ActualRhsType; + typedef typename internal::remove_all<ActualRhsType>::type ActualRhsTypeCleaned; + + enum { LhsUpLo = LhsMode&(Upper|Lower) }; + + template<typename Dest> + static void run(Dest& dest, const Lhs &a_lhs, const Rhs &a_rhs, const Scalar& alpha) { typedef typename Dest::Scalar ResScalar; - typedef typename Base::RhsScalar RhsScalar; + typedef typename Rhs::Scalar RhsScalar; typedef Map<Matrix<ResScalar,Dynamic,1>, Aligned> MappedDest; - eigen_assert(dest.rows()==m_lhs.rows() && dest.cols()==m_rhs.cols()); + eigen_assert(dest.rows()==a_lhs.rows() && dest.cols()==a_rhs.cols()); - typename internal::add_const_on_value_type<ActualLhsType>::type lhs = LhsBlasTraits::extract(m_lhs); - typename internal::add_const_on_value_type<ActualRhsType>::type rhs = RhsBlasTraits::extract(m_rhs); + typename internal::add_const_on_value_type<ActualLhsType>::type lhs = LhsBlasTraits::extract(a_lhs); + typename internal::add_const_on_value_type<ActualRhsType>::type rhs = RhsBlasTraits::extract(a_rhs); - Scalar actualAlpha = alpha * LhsBlasTraits::extractScalarFactor(m_lhs) - * RhsBlasTraits::extractScalarFactor(m_rhs); + Scalar actualAlpha = alpha * LhsBlasTraits::extractScalarFactor(a_lhs) + * RhsBlasTraits::extractScalarFactor(a_rhs); enum { EvalToDest = (Dest::InnerStrideAtCompileTime==1), - UseRhs = (_ActualRhsType::InnerStrideAtCompileTime==1) + UseRhs = (ActualRhsTypeCleaned::InnerStrideAtCompileTime==1) }; internal::gemv_static_vector_if<ResScalar,Dest::SizeAtCompileTime,Dest::MaxSizeAtCompileTime,!EvalToDest> static_dest; - internal::gemv_static_vector_if<RhsScalar,_ActualRhsType::SizeAtCompileTime,_ActualRhsType::MaxSizeAtCompileTime,!UseRhs> static_rhs; + internal::gemv_static_vector_if<RhsScalar,ActualRhsTypeCleaned::SizeAtCompileTime,ActualRhsTypeCleaned::MaxSizeAtCompileTime,!UseRhs> static_rhs; ei_declare_aligned_stack_constructed_variable(ResScalar,actualDestPtr,dest.size(), EvalToDest ? dest.data() : static_dest.data()); @@ -230,11 +230,12 @@ struct SelfadjointProductMatrix<Lhs,LhsMode,false,Rhs,0,true> Index size = rhs.size(); EIGEN_DENSE_STORAGE_CTOR_PLUGIN #endif - Map<typename _ActualRhsType::PlainObject>(actualRhsPtr, rhs.size()) = rhs; + Map<typename ActualRhsTypeCleaned::PlainObject>(actualRhsPtr, rhs.size()) = rhs; } - internal::selfadjoint_matrix_vector_product<Scalar, Index, (internal::traits<_ActualLhsType>::Flags&RowMajorBit) ? RowMajor : ColMajor, int(LhsUpLo), bool(LhsBlasTraits::NeedToConjugate), bool(RhsBlasTraits::NeedToConjugate)>::run + internal::selfadjoint_matrix_vector_product<Scalar, Index, (internal::traits<ActualLhsTypeCleaned>::Flags&RowMajorBit) ? RowMajor : ColMajor, + int(LhsUpLo), bool(LhsBlasTraits::NeedToConjugate), bool(RhsBlasTraits::NeedToConjugate)>::run ( lhs.rows(), // size &lhs.coeffRef(0,0), lhs.outerStride(), // lhs info @@ -248,34 +249,24 @@ struct SelfadjointProductMatrix<Lhs,LhsMode,false,Rhs,0,true> } }; -namespace internal { -template<typename Lhs, typename Rhs, int RhsMode> -struct traits<SelfadjointProductMatrix<Lhs,0,true,Rhs,RhsMode,false> > - : traits<ProductBase<SelfadjointProductMatrix<Lhs,0,true,Rhs,RhsMode,false>, Lhs, Rhs> > -{}; -} - template<typename Lhs, typename Rhs, int RhsMode> -struct SelfadjointProductMatrix<Lhs,0,true,Rhs,RhsMode,false> - : public ProductBase<SelfadjointProductMatrix<Lhs,0,true,Rhs,RhsMode,false>, Lhs, Rhs > +struct selfadjoint_product_impl<Lhs,0,true,Rhs,RhsMode,false> { - EIGEN_PRODUCT_PUBLIC_INTERFACE(SelfadjointProductMatrix) - - enum { - RhsUpLo = RhsMode&(Upper|Lower) - }; + typedef typename Product<Lhs,Rhs>::Scalar Scalar; + enum { RhsUpLo = RhsMode&(Upper|Lower) }; - SelfadjointProductMatrix(const Lhs& lhs, const Rhs& rhs) : Base(lhs,rhs) {} - - template<typename Dest> void scaleAndAddTo(Dest& dest, const Scalar& alpha) const + template<typename Dest> + static void run(Dest& dest, const Lhs &a_lhs, const Rhs &a_rhs, const Scalar& alpha) { // let's simply transpose the product Transpose<Dest> destT(dest); - SelfadjointProductMatrix<Transpose<const Rhs>, int(RhsUpLo)==Upper ? Lower : Upper, false, - Transpose<const Lhs>, 0, true>(m_rhs.transpose(), m_lhs.transpose()).scaleAndAddTo(destT, alpha); + selfadjoint_product_impl<Transpose<const Rhs>, int(RhsUpLo)==Upper ? Lower : Upper, false, + Transpose<const Lhs>, 0, true>::run(destT, a_rhs.transpose(), a_lhs.transpose(), alpha); } }; +} // end namespace internal + } // end namespace Eigen #endif // EIGEN_SELFADJOINT_MATRIX_VECTOR_H |