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62 lines
2.6 KiB
C++
62 lines
2.6 KiB
C++
// This file is part of Eigen, a lightweight C++ template library
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// for linear algebra.
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//
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// Copyright (C) 2008-2009 Gael Guennebaud <gael.guennebaud@inria.fr>
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// Copyright (C) 2006-2008 Benoit Jacob <jacob.benoit.1@gmail.com>
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//
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// Eigen is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 3 of the License, or (at your option) any later version.
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//
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// Alternatively, you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of
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// the License, or (at your option) any later version.
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//
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// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License and a copy of the GNU General Public License along with
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// Eigen. If not, see <http://www.gnu.org/licenses/>.
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// This file is a base class plugin containing common coefficient wise functions.
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/** \returns an expression of the difference of \c *this and \a other
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*
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* \note If you want to substract a given scalar from all coefficients, see Cwise::operator-().
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*
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* \sa class CwiseBinaryOp, operator-=()
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*/
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EIGEN_MAKE_CWISE_BINARY_OP(operator-,ei_scalar_difference_op)
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/** \returns an expression of the sum of \c *this and \a other
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*
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* \note If you want to add a given scalar to all coefficients, see Cwise::operator+().
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*
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* \sa class CwiseBinaryOp, operator+=()
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*/
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EIGEN_MAKE_CWISE_BINARY_OP(operator+,ei_scalar_sum_op)
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/** \returns an expression of a custom coefficient-wise operator \a func of *this and \a other
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*
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* The template parameter \a CustomBinaryOp is the type of the functor
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* of the custom operator (see class CwiseBinaryOp for an example)
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*
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* Here is an example illustrating the use of custom functors:
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* \include class_CwiseBinaryOp.cpp
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* Output: \verbinclude class_CwiseBinaryOp.out
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*
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* \sa class CwiseBinaryOp, operator+, operator-, cwiseProduct
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*/
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template<typename CustomBinaryOp, typename OtherDerived>
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EIGEN_STRONG_INLINE const CwiseBinaryOp<CustomBinaryOp, Derived, OtherDerived>
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binaryExpr(const EIGEN_CURRENT_STORAGE_BASE_CLASS<OtherDerived> &other, const CustomBinaryOp& func = CustomBinaryOp()) const
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{
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return CwiseBinaryOp<CustomBinaryOp, Derived, OtherDerived>(derived(), other.derived(), func);
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}
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