diff options
Diffstat (limited to 'extern/Eigen3/Eigen/src/Core/products/SelfadjointMatrixVector.h')
| -rw-r--r-- | extern/Eigen3/Eigen/src/Core/products/SelfadjointMatrixVector.h | 50 |
1 files changed, 23 insertions, 27 deletions
diff --git a/extern/Eigen3/Eigen/src/Core/products/SelfadjointMatrixVector.h b/extern/Eigen3/Eigen/src/Core/products/SelfadjointMatrixVector.h index d6121fc07bd..c3145c69a5f 100644 --- a/extern/Eigen3/Eigen/src/Core/products/SelfadjointMatrixVector.h +++ b/extern/Eigen3/Eigen/src/Core/products/SelfadjointMatrixVector.h @@ -3,28 +3,15 @@ // // Copyright (C) 2008-2009 Gael Guennebaud <gael.guennebaud@inria.fr> // -// Eigen is free software; you can redistribute it and/or -// modify it under the terms of the GNU Lesser General Public -// License as published by the Free Software Foundation; either -// version 3 of the License, or (at your option) any later version. -// -// Alternatively, you can redistribute it and/or -// modify it under the terms of the GNU General Public License as -// published by the Free Software Foundation; either version 2 of -// the License, or (at your option) any later version. -// -// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY -// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the -// GNU General Public License for more details. -// -// You should have received a copy of the GNU Lesser General Public -// License and a copy of the GNU General Public License along with -// Eigen. If not, see <http://www.gnu.org/licenses/>. +// This Source Code Form is subject to the terms of the Mozilla +// Public License v. 2.0. If a copy of the MPL was not distributed +// with this file, You can obtain one at http://mozilla.org/MPL/2.0/. #ifndef EIGEN_SELFADJOINT_MATRIX_VECTOR_H #define EIGEN_SELFADJOINT_MATRIX_VECTOR_H +namespace Eigen { + namespace internal { /* Optimized selfadjoint matrix * vector product: @@ -32,8 +19,15 @@ namespace internal { * the number of load/stores of the result by a factor 2 and to reduce * the instruction dependency. */ -template<typename Scalar, typename Index, int StorageOrder, int UpLo, bool ConjugateLhs, bool ConjugateRhs> -static EIGEN_DONT_INLINE void product_selfadjoint_vector( + +template<typename Scalar, typename Index, int StorageOrder, int UpLo, bool ConjugateLhs, bool ConjugateRhs, int Version=Specialized> +struct selfadjoint_matrix_vector_product; + +template<typename Scalar, typename Index, int StorageOrder, int UpLo, bool ConjugateLhs, bool ConjugateRhs, int Version> +struct selfadjoint_matrix_vector_product + +{ +static EIGEN_DONT_INLINE void run( Index size, const Scalar* lhs, Index lhsStride, const Scalar* _rhs, Index rhsIncr, @@ -85,14 +79,14 @@ static EIGEN_DONT_INLINE void product_selfadjoint_vector( Scalar t1 = cjAlpha * rhs[j+1]; Packet ptmp1 = pset1<Packet>(t1); - Scalar t2 = 0; + Scalar t2(0); Packet ptmp2 = pset1<Packet>(t2); - Scalar t3 = 0; + Scalar t3(0); Packet ptmp3 = pset1<Packet>(t3); size_t starti = FirstTriangular ? 0 : j+2; size_t endi = FirstTriangular ? j : size; - size_t alignedStart = (starti) + first_aligned(&res[starti], endi-starti); + size_t alignedStart = (starti) + internal::first_aligned(&res[starti], endi-starti); size_t alignedEnd = alignedStart + ((endi-alignedStart)/(PacketSize))*(PacketSize); // TODO make sure this product is a real * complex and that the rhs is properly conjugated if needed @@ -148,7 +142,7 @@ static EIGEN_DONT_INLINE void product_selfadjoint_vector( register const Scalar* EIGEN_RESTRICT A0 = lhs + j*lhsStride; Scalar t1 = cjAlpha * rhs[j]; - Scalar t2 = 0; + Scalar t2(0); // TODO make sure this product is a real * complex and that the rhs is properly conjugated if needed res[j] += cjd.pmul(internal::real(A0[j]), t1); for (Index i=FirstTriangular ? 0 : j+1; i<(FirstTriangular ? j : size); i++) @@ -159,6 +153,7 @@ static EIGEN_DONT_INLINE void product_selfadjoint_vector( res[j] += alpha * t2; } } +}; } // end namespace internal @@ -193,8 +188,8 @@ struct SelfadjointProductMatrix<Lhs,LhsMode,false,Rhs,0,true> eigen_assert(dest.rows()==m_lhs.rows() && dest.cols()==m_rhs.cols()); - const ActualLhsType lhs = LhsBlasTraits::extract(m_lhs); - const ActualRhsType rhs = RhsBlasTraits::extract(m_rhs); + 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); Scalar actualAlpha = alpha * LhsBlasTraits::extractScalarFactor(m_lhs) * RhsBlasTraits::extractScalarFactor(m_rhs); @@ -232,7 +227,7 @@ struct SelfadjointProductMatrix<Lhs,LhsMode,false,Rhs,0,true> } - internal::product_selfadjoint_vector<Scalar, Index, (internal::traits<_ActualLhsType>::Flags&RowMajorBit) ? RowMajor : ColMajor, int(LhsUpLo), bool(LhsBlasTraits::NeedToConjugate), bool(RhsBlasTraits::NeedToConjugate)> + internal::selfadjoint_matrix_vector_product<Scalar, Index, (internal::traits<_ActualLhsType>::Flags&RowMajorBit) ? RowMajor : ColMajor, int(LhsUpLo), bool(LhsBlasTraits::NeedToConjugate), bool(RhsBlasTraits::NeedToConjugate)>::run ( lhs.rows(), // size &lhs.coeffRef(0,0), lhs.outerStride(), // lhs info @@ -274,5 +269,6 @@ struct SelfadjointProductMatrix<Lhs,0,true,Rhs,RhsMode,false> } }; +} // end namespace Eigen #endif // EIGEN_SELFADJOINT_MATRIX_VECTOR_H |