diff options
Diffstat (limited to 'third_party/eigen3/Eigen/src/Core/functors/AssignmentFunctors.h')
| -rw-r--r-- | third_party/eigen3/Eigen/src/Core/functors/AssignmentFunctors.h | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/third_party/eigen3/Eigen/src/Core/functors/AssignmentFunctors.h b/third_party/eigen3/Eigen/src/Core/functors/AssignmentFunctors.h deleted file mode 100644 index ae264aa640..0000000000 --- a/third_party/eigen3/Eigen/src/Core/functors/AssignmentFunctors.h +++ /dev/null @@ -1,167 +0,0 @@ -// This file is part of Eigen, a lightweight C++ template library -// for linear algebra. -// -// Copyright (C) 2008-2010 Gael Guennebaud <gael.guennebaud@inria.fr> -// -// 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_ASSIGNMENT_FUNCTORS_H -#define EIGEN_ASSIGNMENT_FUNCTORS_H - -namespace Eigen { - -namespace internal { - -/** \internal - * \brief Template functor for scalar/packet assignment - * - */ -template<typename Scalar> struct assign_op { - - EIGEN_EMPTY_STRUCT_CTOR(assign_op) - EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void assignCoeff(Scalar& a, const Scalar& b) const { a = b; } - - template<int Alignment, typename Packet> - EIGEN_STRONG_INLINE void assignPacket(Scalar* a, const Packet& b) const - { internal::pstoret<Scalar,Packet,Alignment>(a,b); } -}; -template<typename Scalar> -struct functor_traits<assign_op<Scalar> > { - enum { - Cost = NumTraits<Scalar>::ReadCost, - PacketAccess = packet_traits<Scalar>::IsVectorized - }; -}; - -/** \internal - * \brief Template functor for scalar/packet assignment with addition - * - */ -template<typename Scalar> struct add_assign_op { - - EIGEN_EMPTY_STRUCT_CTOR(add_assign_op) - EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void assignCoeff(Scalar& a, const Scalar& b) const { a += b; } - - template<int Alignment, typename Packet> - EIGEN_STRONG_INLINE void assignPacket(Scalar* a, const Packet& b) const - { internal::pstoret<Scalar,Packet,Alignment>(a,internal::padd(internal::ploadt<Packet,Alignment>(a),b)); } -}; -template<typename Scalar> -struct functor_traits<add_assign_op<Scalar> > { - enum { - Cost = NumTraits<Scalar>::ReadCost + NumTraits<Scalar>::AddCost, - PacketAccess = packet_traits<Scalar>::HasAdd - }; -}; - -/** \internal - * \brief Template functor for scalar/packet assignment with subtraction - * - */ -template<typename Scalar> struct sub_assign_op { - - EIGEN_EMPTY_STRUCT_CTOR(sub_assign_op) - EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void assignCoeff(Scalar& a, const Scalar& b) const { a -= b; } - - template<int Alignment, typename Packet> - EIGEN_STRONG_INLINE void assignPacket(Scalar* a, const Packet& b) const - { internal::pstoret<Scalar,Packet,Alignment>(a,internal::psub(internal::ploadt<Packet,Alignment>(a),b)); } -}; -template<typename Scalar> -struct functor_traits<sub_assign_op<Scalar> > { - enum { - Cost = NumTraits<Scalar>::ReadCost + NumTraits<Scalar>::AddCost, - PacketAccess = packet_traits<Scalar>::HasAdd - }; -}; - -/** \internal - * \brief Template functor for scalar/packet assignment with multiplication - * - */ -template<typename Scalar> struct mul_assign_op { - - EIGEN_EMPTY_STRUCT_CTOR(mul_assign_op) - EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void assignCoeff(Scalar& a, const Scalar& b) const { a *= b; } - - template<int Alignment, typename Packet> - EIGEN_STRONG_INLINE void assignPacket(Scalar* a, const Packet& b) const - { internal::pstoret<Scalar,Packet,Alignment>(a,internal::pmul(internal::ploadt<Packet,Alignment>(a),b)); } -}; -template<typename Scalar> -struct functor_traits<mul_assign_op<Scalar> > { - enum { - Cost = NumTraits<Scalar>::ReadCost + NumTraits<Scalar>::MulCost, - PacketAccess = packet_traits<Scalar>::HasMul - }; -}; - -/** \internal - * \brief Template functor for scalar/packet assignment with diviving - * - */ -template<typename Scalar> struct div_assign_op { - - EIGEN_EMPTY_STRUCT_CTOR(div_assign_op) - EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void assignCoeff(Scalar& a, const Scalar& b) const { a /= b; } - - template<int Alignment, typename Packet> - EIGEN_STRONG_INLINE void assignPacket(Scalar* a, const Packet& b) const - { internal::pstoret<Scalar,Packet,Alignment>(a,internal::pdiv(internal::ploadt<Packet,Alignment>(a),b)); } -}; -template<typename Scalar> -struct functor_traits<div_assign_op<Scalar> > { - enum { - Cost = NumTraits<Scalar>::ReadCost + NumTraits<Scalar>::MulCost, - PacketAccess = packet_traits<Scalar>::HasMul - }; -}; - - -/** \internal - * \brief Template functor for scalar/packet assignment with swaping - * - * It works as follow. For a non-vectorized evaluation loop, we have: - * for(i) func(A.coeffRef(i), B.coeff(i)); - * where B is a SwapWrapper expression. The trick is to make SwapWrapper::coeff behaves like a non-const coeffRef. - * Actually, SwapWrapper might not even be needed since even if B is a plain expression, since it has to be writable - * B.coeff already returns a const reference to the underlying scalar value. - * - * The case of a vectorized loop is more tricky: - * for(i,j) func.assignPacket<A_Align>(&A.coeffRef(i,j), B.packet<B_Align>(i,j)); - * Here, B must be a SwapWrapper whose packet function actually returns a proxy object holding a Scalar*, - * the actual alignment and Packet type. - * - */ -template<typename Scalar> struct swap_assign_op { - - EIGEN_EMPTY_STRUCT_CTOR(swap_assign_op) - EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void assignCoeff(Scalar& a, const Scalar& b) const - { - using std::swap; - swap(a,const_cast<Scalar&>(b)); - } - - template<int LhsAlignment, int RhsAlignment, typename Packet> - EIGEN_STRONG_INLINE void swapPacket(Scalar* a, Scalar* b) const - { - Packet tmp = internal::ploadt<Packet,RhsAlignment>(b); - internal::pstoret<Scalar,Packet,RhsAlignment>(b, internal::ploadt<Packet,LhsAlignment>(a)); - internal::pstoret<Scalar,Packet,LhsAlignment>(a, tmp); - } -}; -template<typename Scalar> -struct functor_traits<swap_assign_op<Scalar> > { - enum { - Cost = 3 * NumTraits<Scalar>::ReadCost, - PacketAccess = packet_traits<Scalar>::IsVectorized - }; -}; - -} // namespace internal - -} // namespace Eigen - -#endif // EIGEN_ASSIGNMENT_FUNCTORS_H |