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Diffstat (limited to 'runtimes/nn/depend/external/eigen/Eigen/src/Core/CwiseBinaryOp.h')
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diff --git a/runtimes/nn/depend/external/eigen/Eigen/src/Core/CwiseBinaryOp.h b/runtimes/nn/depend/external/eigen/Eigen/src/Core/CwiseBinaryOp.h new file mode 100644 index 000000000..a36765e39 --- /dev/null +++ b/runtimes/nn/depend/external/eigen/Eigen/src/Core/CwiseBinaryOp.h @@ -0,0 +1,184 @@ +// This file is part of Eigen, a lightweight C++ template library +// for linear algebra. +// +// Copyright (C) 2008-2014 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 { + +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( + const typename Lhs::Scalar&, + const typename Rhs::Scalar& + ) + >::type Scalar; + typedef typename cwise_promote_storage_type<typename traits<Lhs>::StorageKind, + typename traits<Rhs>::StorageKind, + BinaryOp>::ret StorageKind; + typedef typename promote_index_type<typename traits<Lhs>::StorageIndex, + typename traits<Rhs>::StorageIndex>::type StorageIndex; + 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 { + Flags = cwise_promote_storage_order<typename traits<Lhs>::StorageKind,typename traits<Rhs>::StorageKind,_LhsNested::Flags & RowMajorBit,_RhsNested::Flags & RowMajorBit>::value + }; +}; +} // end namespace internal + +template<typename BinaryOp, typename Lhs, typename Rhs, typename StorageKind> +class CwiseBinaryOpImpl; + +/** \class CwiseBinaryOp + * \ingroup Core_Module + * + * \brief Generic expression where a coefficient-wise binary operator is applied to two expressions + * + * \tparam BinaryOp template functor implementing the operator + * \tparam LhsType the type of the left-hand side + * \tparam RhsType 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 + */ +template<typename BinaryOp, typename LhsType, typename RhsType> +class CwiseBinaryOp : + public CwiseBinaryOpImpl< + BinaryOp, LhsType, RhsType, + typename internal::cwise_promote_storage_type<typename internal::traits<LhsType>::StorageKind, + typename internal::traits<RhsType>::StorageKind, + BinaryOp>::ret>, + internal::no_assignment_operator +{ + public: + + typedef typename internal::remove_all<BinaryOp>::type Functor; + typedef typename internal::remove_all<LhsType>::type Lhs; + typedef typename internal::remove_all<RhsType>::type Rhs; + + typedef typename CwiseBinaryOpImpl< + BinaryOp, LhsType, RhsType, + typename internal::cwise_promote_storage_type<typename internal::traits<LhsType>::StorageKind, + typename internal::traits<Rhs>::StorageKind, + BinaryOp>::ret>::Base Base; + EIGEN_GENERIC_PUBLIC_INTERFACE(CwiseBinaryOp) + + typedef typename internal::ref_selector<LhsType>::type LhsNested; + typedef typename internal::ref_selector<RhsType>::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; +}; + +// Generic API dispatcher +template<typename BinaryOp, typename Lhs, typename Rhs, typename StorageKind> +class CwiseBinaryOpImpl + : public internal::generic_xpr_base<CwiseBinaryOp<BinaryOp, Lhs, Rhs> >::type +{ +public: + typedef typename internal::generic_xpr_base<CwiseBinaryOp<BinaryOp, Lhs, Rhs> >::type Base; +}; + +/** 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) +{ + call_assignment(derived(), other.derived(), internal::sub_assign_op<Scalar,typename OtherDerived::Scalar>()); + 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) +{ + call_assignment(derived(), other.derived(), internal::add_assign_op<Scalar,typename OtherDerived::Scalar>()); + return derived(); +} + +} // end namespace Eigen + +#endif // EIGEN_CWISE_BINARY_OP_H + |