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Diffstat (limited to 'third_party/eigen3/Eigen/src/Core/CwiseBinaryOp.h')
| -rw-r--r-- | third_party/eigen3/Eigen/src/Core/CwiseBinaryOp.h | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/third_party/eigen3/Eigen/src/Core/CwiseBinaryOp.h b/third_party/eigen3/Eigen/src/Core/CwiseBinaryOp.h deleted file mode 100644 index e20daacc8c..0000000000 --- a/third_party/eigen3/Eigen/src/Core/CwiseBinaryOp.h +++ /dev/null @@ -1,238 +0,0 @@ -// This file is part of Eigen, a lightweight C++ template library -// for linear algebra. -// -// Copyright (C) 2008-2009 Gael Guennebaud <gael.guennebaud@inria.fr> -// Copyright (C) 2006-2008 Benoit Jacob <jacob.benoit.1@gmail.com> -// -// 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_CWISE_BINARY_OP_H -#define EIGEN_CWISE_BINARY_OP_H - -namespace Eigen { - -/** \class CwiseBinaryOp - * \ingroup Core_Module - * - * \brief Generic expression where a coefficient-wise binary operator is applied to two expressions - * - * \param BinaryOp template functor implementing the operator - * \param Lhs the type of the left-hand side - * \param Rhs the type of the right-hand side - * - * This class represents an expression where a coefficient-wise binary operator is applied to two expressions. - * It is the return type of binary operators, by which we mean only those binary operators where - * both the left-hand side and the right-hand side are Eigen expressions. - * For example, the return type of matrix1+matrix2 is a CwiseBinaryOp. - * - * Most of the time, this is the only way that it is used, so you typically don't have to name - * CwiseBinaryOp types explicitly. - * - * \sa MatrixBase::binaryExpr(const MatrixBase<OtherDerived> &,const CustomBinaryOp &) const, class CwiseUnaryOp, class CwiseNullaryOp - */ - -namespace internal { -template<typename BinaryOp, typename Lhs, typename Rhs> -struct traits<CwiseBinaryOp<BinaryOp, Lhs, Rhs> > -{ - // we must not inherit from traits<Lhs> since it has - // the potential to cause problems with MSVC - typedef typename remove_all<Lhs>::type Ancestor; - typedef typename traits<Ancestor>::XprKind XprKind; - enum { - RowsAtCompileTime = traits<Ancestor>::RowsAtCompileTime, - ColsAtCompileTime = traits<Ancestor>::ColsAtCompileTime, - MaxRowsAtCompileTime = traits<Ancestor>::MaxRowsAtCompileTime, - MaxColsAtCompileTime = traits<Ancestor>::MaxColsAtCompileTime - }; - - // even though we require Lhs and Rhs to have the same scalar type (see CwiseBinaryOp constructor), - // we still want to handle the case when the result type is different. - typedef typename result_of< - BinaryOp( - typename Lhs::Scalar, - typename Rhs::Scalar - ) - >::type Scalar; - typedef typename promote_storage_type<typename traits<Lhs>::StorageKind, - typename traits<Rhs>::StorageKind>::ret StorageKind; - typedef typename promote_index_type<typename traits<Lhs>::Index, - typename traits<Rhs>::Index>::type Index; - typedef typename Lhs::Nested LhsNested; - typedef typename Rhs::Nested RhsNested; - typedef typename remove_reference<LhsNested>::type _LhsNested; - typedef typename remove_reference<RhsNested>::type _RhsNested; - enum { - LhsCoeffReadCost = _LhsNested::CoeffReadCost, - RhsCoeffReadCost = _RhsNested::CoeffReadCost, - LhsFlags = _LhsNested::Flags, - RhsFlags = _RhsNested::Flags, - SameType = is_same<typename _LhsNested::Scalar,typename _RhsNested::Scalar>::value, - StorageOrdersAgree = (int(Lhs::Flags)&RowMajorBit)==(int(Rhs::Flags)&RowMajorBit), - Flags0 = (int(LhsFlags) | int(RhsFlags)) & ( - HereditaryBits - | (int(LhsFlags) & int(RhsFlags) & - ( AlignedBit - | (StorageOrdersAgree ? LinearAccessBit : 0) - | (functor_traits<BinaryOp>::PacketAccess && StorageOrdersAgree && SameType ? PacketAccessBit : 0) - ) - ) - ), - Flags = (Flags0 & ~RowMajorBit) | (LhsFlags & RowMajorBit), - CoeffReadCost = LhsCoeffReadCost + RhsCoeffReadCost + functor_traits<BinaryOp>::Cost - }; -}; -} // end namespace internal - -// we require Lhs and Rhs to have the same scalar type. Currently there is no example of a binary functor -// that would take two operands of different types. If there were such an example, then this check should be -// moved to the BinaryOp functors, on a per-case basis. This would however require a change in the BinaryOp functors, as -// currently they take only one typename Scalar template parameter. -// It is tempting to always allow mixing different types but remember that this is often impossible in the vectorized paths. -// So allowing mixing different types gives very unexpected errors when enabling vectorization, when the user tries to -// add together a float matrix and a double matrix. -#define EIGEN_CHECK_BINARY_COMPATIBILIY(BINOP,LHS,RHS) \ - EIGEN_STATIC_ASSERT((internal::functor_is_product_like<BINOP>::ret \ - ? int(internal::scalar_product_traits<LHS, RHS>::Defined) \ - : int(internal::is_same<LHS, RHS>::value)), \ - YOU_MIXED_DIFFERENT_NUMERIC_TYPES__YOU_NEED_TO_USE_THE_CAST_METHOD_OF_MATRIXBASE_TO_CAST_NUMERIC_TYPES_EXPLICITLY) - -template<typename BinaryOp, typename Lhs, typename Rhs, typename StorageKind> -class CwiseBinaryOpImpl; - -template<typename BinaryOp, typename Lhs, typename Rhs> -class CwiseBinaryOp : internal::no_assignment_operator, - public CwiseBinaryOpImpl< - BinaryOp, Lhs, Rhs, - typename internal::promote_storage_type<typename internal::traits<Lhs>::StorageKind, - typename internal::traits<Rhs>::StorageKind>::ret> -{ - public: - - typedef typename CwiseBinaryOpImpl< - BinaryOp, Lhs, Rhs, - typename internal::promote_storage_type<typename internal::traits<Lhs>::StorageKind, - typename internal::traits<Rhs>::StorageKind>::ret>::Base Base; - EIGEN_GENERIC_PUBLIC_INTERFACE(CwiseBinaryOp) - - typedef typename internal::nested<Lhs>::type LhsNested; - typedef typename internal::nested<Rhs>::type RhsNested; - typedef typename internal::remove_reference<LhsNested>::type _LhsNested; - typedef typename internal::remove_reference<RhsNested>::type _RhsNested; - - EIGEN_DEVICE_FUNC - EIGEN_STRONG_INLINE CwiseBinaryOp(const Lhs& aLhs, const Rhs& aRhs, const BinaryOp& func = BinaryOp()) - : m_lhs(aLhs), m_rhs(aRhs), m_functor(func) - { - EIGEN_CHECK_BINARY_COMPATIBILIY(BinaryOp,typename Lhs::Scalar,typename Rhs::Scalar); - // require the sizes to match - EIGEN_STATIC_ASSERT_SAME_MATRIX_SIZE(Lhs, Rhs) - eigen_assert(aLhs.rows() == aRhs.rows() && aLhs.cols() == aRhs.cols()); - } - - EIGEN_DEVICE_FUNC - EIGEN_STRONG_INLINE Index rows() const { - // return the fixed size type if available to enable compile time optimizations - if (internal::traits<typename internal::remove_all<LhsNested>::type>::RowsAtCompileTime==Dynamic) - return m_rhs.rows(); - else - return m_lhs.rows(); - } - EIGEN_DEVICE_FUNC - EIGEN_STRONG_INLINE Index cols() const { - // return the fixed size type if available to enable compile time optimizations - if (internal::traits<typename internal::remove_all<LhsNested>::type>::ColsAtCompileTime==Dynamic) - return m_rhs.cols(); - else - return m_lhs.cols(); - } - - /** \returns the left hand side nested expression */ - EIGEN_DEVICE_FUNC - const _LhsNested& lhs() const { return m_lhs; } - /** \returns the right hand side nested expression */ - EIGEN_DEVICE_FUNC - const _RhsNested& rhs() const { return m_rhs; } - /** \returns the functor representing the binary operation */ - EIGEN_DEVICE_FUNC - const BinaryOp& functor() const { return m_functor; } - - protected: - LhsNested m_lhs; - RhsNested m_rhs; - const BinaryOp m_functor; -}; - -template<typename BinaryOp, typename Lhs, typename Rhs> -class CwiseBinaryOpImpl<BinaryOp, Lhs, Rhs, Dense> - : public internal::dense_xpr_base<CwiseBinaryOp<BinaryOp, Lhs, Rhs> >::type -{ - typedef CwiseBinaryOp<BinaryOp, Lhs, Rhs> Derived; - public: - - typedef typename internal::dense_xpr_base<CwiseBinaryOp<BinaryOp, Lhs, Rhs> >::type Base; - EIGEN_DENSE_PUBLIC_INTERFACE( Derived ) - - EIGEN_DEVICE_FUNC - EIGEN_STRONG_INLINE const Scalar coeff(Index rowId, Index colId) const - { - return derived().functor()(derived().lhs().coeff(rowId, colId), - derived().rhs().coeff(rowId, colId)); - } - - template<int LoadMode> - EIGEN_STRONG_INLINE PacketScalar packet(Index rowId, Index colId) const - { - return derived().functor().packetOp(derived().lhs().template packet<LoadMode>(rowId, colId), - derived().rhs().template packet<LoadMode>(rowId, colId)); - } - - EIGEN_DEVICE_FUNC - EIGEN_STRONG_INLINE const Scalar coeff(Index index) const - { - return derived().functor()(derived().lhs().coeff(index), - derived().rhs().coeff(index)); - } - - template<int LoadMode> - EIGEN_STRONG_INLINE PacketScalar packet(Index index) const - { - return derived().functor().packetOp(derived().lhs().template packet<LoadMode>(index), - derived().rhs().template packet<LoadMode>(index)); - } -}; - -/** replaces \c *this by \c *this - \a other. - * - * \returns a reference to \c *this - */ -template<typename Derived> -template<typename OtherDerived> -EIGEN_STRONG_INLINE Derived & -MatrixBase<Derived>::operator-=(const MatrixBase<OtherDerived> &other) -{ - SelfCwiseBinaryOp<internal::scalar_difference_op<Scalar>, Derived, OtherDerived> tmp(derived()); - tmp = other.derived(); - return derived(); -} - -/** replaces \c *this by \c *this + \a other. - * - * \returns a reference to \c *this - */ -template<typename Derived> -template<typename OtherDerived> -EIGEN_STRONG_INLINE Derived & -MatrixBase<Derived>::operator+=(const MatrixBase<OtherDerived>& other) -{ - SelfCwiseBinaryOp<internal::scalar_sum_op<Scalar>, Derived, OtherDerived> tmp(derived()); - tmp = other.derived(); - return derived(); -} - -} // end namespace Eigen - -#endif // EIGEN_CWISE_BINARY_OP_H - |