Eigne Matrix Class Library
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CommonCwiseBinaryOps.h
00001 // This file is part of Eigen, a lightweight C++ template library 00002 // for linear algebra. 00003 // 00004 // Copyright (C) 2008-2009 Gael Guennebaud <gael.guennebaud@inria.fr> 00005 // Copyright (C) 2006-2008 Benoit Jacob <jacob.benoit.1@gmail.com> 00006 // 00007 // This Source Code Form is subject to the terms of the Mozilla 00008 // Public License v. 2.0. If a copy of the MPL was not distributed 00009 // with this file, You can obtain one at http://mozilla.org/MPL/2.0/. 00010 00011 // This file is a base class plugin containing common coefficient wise functions. 00012 00013 /** \returns an expression of the difference of \c *this and \a other 00014 * 00015 * \note If you want to substract a given scalar from all coefficients, see Cwise::operator-(). 00016 * 00017 * \sa class CwiseBinaryOp, operator-=() 00018 */ 00019 EIGEN_MAKE_CWISE_BINARY_OP(operator-,internal::scalar_difference_op) 00020 00021 /** \returns an expression of the sum of \c *this and \a other 00022 * 00023 * \note If you want to add a given scalar to all coefficients, see Cwise::operator+(). 00024 * 00025 * \sa class CwiseBinaryOp, operator+=() 00026 */ 00027 EIGEN_MAKE_CWISE_BINARY_OP(operator+,internal::scalar_sum_op) 00028 00029 /** \returns an expression of a custom coefficient-wise operator \a func of *this and \a other 00030 * 00031 * The template parameter \a CustomBinaryOp is the type of the functor 00032 * of the custom operator (see class CwiseBinaryOp for an example) 00033 * 00034 * Here is an example illustrating the use of custom functors: 00035 * \include class_CwiseBinaryOp.cpp 00036 * Output: \verbinclude class_CwiseBinaryOp.out 00037 * 00038 * \sa class CwiseBinaryOp, operator+(), operator-(), cwiseProduct() 00039 */ 00040 template<typename CustomBinaryOp, typename OtherDerived> 00041 EIGEN_STRONG_INLINE const CwiseBinaryOp<CustomBinaryOp, const Derived, const OtherDerived> 00042 binaryExpr(const EIGEN_CURRENT_STORAGE_BASE_CLASS<OtherDerived> &other, const CustomBinaryOp& func = CustomBinaryOp()) const 00043 { 00044 return CwiseBinaryOp<CustomBinaryOp, const Derived, const OtherDerived>(derived(), other.derived(), func); 00045 }
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