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1 : : // This file is part of Eigen, a lightweight C++ template library 2 : : // for linear algebra. 3 : : // 4 : : // Copyright (C) 2008-2016 Gael Guennebaud <gael.guennebaud@inria.fr> 5 : : // Copyright (C) 2006-2008 Benoit Jacob <jacob.benoit.1@gmail.com> 6 : : // 7 : : // This Source Code Form is subject to the terms of the Mozilla 8 : : // Public License v. 2.0. If a copy of the MPL was not distributed 9 : : // with this file, You can obtain one at http://mozilla.org/MPL/2.0/. 10 : : 11 : : // This file is a base class plugin containing common coefficient wise functions. 12 : : 13 : : /** \returns an expression of the difference of \c *this and \a other 14 : : * 15 : : * \note If you want to substract a given scalar from all coefficients, see Cwise::operator-(). 16 : : * 17 : : * \sa class CwiseBinaryOp, operator-=() 18 : : */ 19 : 8454 : EIGEN_MAKE_CWISE_BINARY_OP(operator-,difference) 20 : : 21 : : /** \returns an expression of the sum of \c *this and \a other 22 : : * 23 : : * \note If you want to add a given scalar to all coefficients, see Cwise::operator+(). 24 : : * 25 : : * \sa class CwiseBinaryOp, operator+=() 26 : : */ 27 : 18958 : EIGEN_MAKE_CWISE_BINARY_OP(operator+,sum) 28 : : 29 : : /** \returns an expression of a custom coefficient-wise operator \a func of *this and \a other 30 : : * 31 : : * The template parameter \a CustomBinaryOp is the type of the functor 32 : : * of the custom operator (see class CwiseBinaryOp for an example) 33 : : * 34 : : * Here is an example illustrating the use of custom functors: 35 : : * \include class_CwiseBinaryOp.cpp 36 : : * Output: \verbinclude class_CwiseBinaryOp.out 37 : : * 38 : : * \sa class CwiseBinaryOp, operator+(), operator-(), cwiseProduct() 39 : : */ 40 : : template<typename CustomBinaryOp, typename OtherDerived> 41 : : EIGEN_DEVICE_FUNC 42 : : EIGEN_STRONG_INLINE const CwiseBinaryOp<CustomBinaryOp, const Derived, const OtherDerived> 43 : 6 : binaryExpr(const EIGEN_CURRENT_STORAGE_BASE_CLASS<OtherDerived> &other, const CustomBinaryOp& func = CustomBinaryOp()) const 44 : : { 45 : 6 : return CwiseBinaryOp<CustomBinaryOp, const Derived, const OtherDerived>(derived(), other.derived(), func); 46 : : } 47 : : 48 : : 49 : : #ifndef EIGEN_PARSED_BY_DOXYGEN 50 : 46388 : EIGEN_MAKE_SCALAR_BINARY_OP(operator*,product) 51 : : #else 52 : : /** \returns an expression of \c *this scaled by the scalar factor \a scalar 53 : : * 54 : : * \tparam T is the scalar type of \a scalar. It must be compatible with the scalar type of the given expression. 55 : : */ 56 : : template<typename T> 57 : : const CwiseBinaryOp<internal::scalar_product_op<Scalar,T>,Derived,Constant<T> > operator*(const T& scalar) const; 58 : : /** \returns an expression of \a expr scaled by the scalar factor \a scalar 59 : : * 60 : : * \tparam T is the scalar type of \a scalar. It must be compatible with the scalar type of the given expression. 61 : : */ 62 : : template<typename T> friend 63 : : const CwiseBinaryOp<internal::scalar_product_op<T,Scalar>,Constant<T>,Derived> operator*(const T& scalar, const StorageBaseType& expr); 64 : : #endif 65 : : 66 : : 67 : : 68 : : #ifndef EIGEN_PARSED_BY_DOXYGEN 69 : 7828 : EIGEN_MAKE_SCALAR_BINARY_OP_ONTHERIGHT(operator/,quotient) 70 : : #else 71 : : /** \returns an expression of \c *this divided by the scalar value \a scalar 72 : : * 73 : : * \tparam T is the scalar type of \a scalar. It must be compatible with the scalar type of the given expression. 74 : : */ 75 : : template<typename T> 76 : : const CwiseBinaryOp<internal::scalar_quotient_op<Scalar,T>,Derived,Constant<T> > operator/(const T& scalar) const; 77 : : #endif 78 : : 79 : : /** \returns an expression of the coefficient-wise boolean \b and operator of \c *this and \a other 80 : : * 81 : : * \warning this operator is for expression of bool only. 82 : : * 83 : : * Example: \include Cwise_boolean_and.cpp 84 : : * Output: \verbinclude Cwise_boolean_and.out 85 : : * 86 : : * \sa operator||(), select() 87 : : */ 88 : : template<typename OtherDerived> 89 : : EIGEN_DEVICE_FUNC 90 : : inline const CwiseBinaryOp<internal::scalar_boolean_and_op, const Derived, const OtherDerived> 91 : : operator&&(const EIGEN_CURRENT_STORAGE_BASE_CLASS<OtherDerived> &other) const 92 : : { 93 : : EIGEN_STATIC_ASSERT((internal::is_same<bool,Scalar>::value && internal::is_same<bool,typename OtherDerived::Scalar>::value), 94 : : THIS_METHOD_IS_ONLY_FOR_EXPRESSIONS_OF_BOOL); 95 : : return CwiseBinaryOp<internal::scalar_boolean_and_op, const Derived, const OtherDerived>(derived(),other.derived()); 96 : : } 97 : : 98 : : /** \returns an expression of the coefficient-wise boolean \b or operator of \c *this and \a other 99 : : * 100 : : * \warning this operator is for expression of bool only. 101 : : * 102 : : * Example: \include Cwise_boolean_or.cpp 103 : : * Output: \verbinclude Cwise_boolean_or.out 104 : : * 105 : : * \sa operator&&(), select() 106 : : */ 107 : : template<typename OtherDerived> 108 : : EIGEN_DEVICE_FUNC 109 : : inline const CwiseBinaryOp<internal::scalar_boolean_or_op, const Derived, const OtherDerived> 110 : : operator||(const EIGEN_CURRENT_STORAGE_BASE_CLASS<OtherDerived> &other) const 111 : : { 112 : : EIGEN_STATIC_ASSERT((internal::is_same<bool,Scalar>::value && internal::is_same<bool,typename OtherDerived::Scalar>::value), 113 : : THIS_METHOD_IS_ONLY_FOR_EXPRESSIONS_OF_BOOL); 114 : : return CwiseBinaryOp<internal::scalar_boolean_or_op, const Derived, const OtherDerived>(derived(),other.derived()); 115 : : }