diff options
Diffstat (limited to 'extern/Eigen3/Eigen/src/plugins/MatrixCwiseBinaryOps.h')
-rw-r--r-- | extern/Eigen3/Eigen/src/plugins/MatrixCwiseBinaryOps.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/extern/Eigen3/Eigen/src/plugins/MatrixCwiseBinaryOps.h b/extern/Eigen3/Eigen/src/plugins/MatrixCwiseBinaryOps.h new file mode 100644 index 00000000000..35183f91f80 --- /dev/null +++ b/extern/Eigen3/Eigen/src/plugins/MatrixCwiseBinaryOps.h @@ -0,0 +1,120 @@ +// 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> +// +// Eigen is free software; you can redistribute it and/or +// modify it under the terms of the GNU Lesser General Public +// License as published by the Free Software Foundation; either +// version 3 of the License, or (at your option) any later version. +// +// Alternatively, you can redistribute it and/or +// modify it under the terms of the GNU General Public License as +// published by the Free Software Foundation; either version 2 of +// the License, or (at your option) any later version. +// +// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY +// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public +// License and a copy of the GNU General Public License along with +// Eigen. If not, see <http://www.gnu.org/licenses/>. + +// This file is a base class plugin containing matrix specifics coefficient wise functions. + +/** \returns an expression of the Schur product (coefficient wise product) of *this and \a other + * + * Example: \include MatrixBase_cwiseProduct.cpp + * Output: \verbinclude MatrixBase_cwiseProduct.out + * + * \sa class CwiseBinaryOp, cwiseAbs2 + */ +template<typename OtherDerived> +EIGEN_STRONG_INLINE const EIGEN_CWISE_PRODUCT_RETURN_TYPE(Derived,OtherDerived) +cwiseProduct(const EIGEN_CURRENT_STORAGE_BASE_CLASS<OtherDerived> &other) const +{ + return EIGEN_CWISE_PRODUCT_RETURN_TYPE(Derived,OtherDerived)(derived(), other.derived()); +} + +/** \returns an expression of the coefficient-wise == operator of *this and \a other + * + * \warning this performs an exact comparison, which is generally a bad idea with floating-point types. + * In order to check for equality between two vectors or matrices with floating-point coefficients, it is + * generally a far better idea to use a fuzzy comparison as provided by isApprox() and + * isMuchSmallerThan(). + * + * Example: \include MatrixBase_cwiseEqual.cpp + * Output: \verbinclude MatrixBase_cwiseEqual.out + * + * \sa cwiseNotEqual(), isApprox(), isMuchSmallerThan() + */ +template<typename OtherDerived> +inline const CwiseBinaryOp<std::equal_to<Scalar>, const Derived, const OtherDerived> +cwiseEqual(const EIGEN_CURRENT_STORAGE_BASE_CLASS<OtherDerived> &other) const +{ + return CwiseBinaryOp<std::equal_to<Scalar>, const Derived, const OtherDerived>(derived(), other.derived()); +} + +/** \returns an expression of the coefficient-wise != operator of *this and \a other + * + * \warning this performs an exact comparison, which is generally a bad idea with floating-point types. + * In order to check for equality between two vectors or matrices with floating-point coefficients, it is + * generally a far better idea to use a fuzzy comparison as provided by isApprox() and + * isMuchSmallerThan(). + * + * Example: \include MatrixBase_cwiseNotEqual.cpp + * Output: \verbinclude MatrixBase_cwiseNotEqual.out + * + * \sa cwiseEqual(), isApprox(), isMuchSmallerThan() + */ +template<typename OtherDerived> +inline const CwiseBinaryOp<std::not_equal_to<Scalar>, const Derived, const OtherDerived> +cwiseNotEqual(const EIGEN_CURRENT_STORAGE_BASE_CLASS<OtherDerived> &other) const +{ + return CwiseBinaryOp<std::not_equal_to<Scalar>, const Derived, const OtherDerived>(derived(), other.derived()); +} + +/** \returns an expression of the coefficient-wise min of *this and \a other + * + * Example: \include MatrixBase_cwiseMin.cpp + * Output: \verbinclude MatrixBase_cwiseMin.out + * + * \sa class CwiseBinaryOp, max() + */ +template<typename OtherDerived> +EIGEN_STRONG_INLINE const CwiseBinaryOp<internal::scalar_min_op<Scalar>, const Derived, const OtherDerived> +cwiseMin(const EIGEN_CURRENT_STORAGE_BASE_CLASS<OtherDerived> &other) const +{ + return CwiseBinaryOp<internal::scalar_min_op<Scalar>, const Derived, const OtherDerived>(derived(), other.derived()); +} + +/** \returns an expression of the coefficient-wise max of *this and \a other + * + * Example: \include MatrixBase_cwiseMax.cpp + * Output: \verbinclude MatrixBase_cwiseMax.out + * + * \sa class CwiseBinaryOp, min() + */ +template<typename OtherDerived> +EIGEN_STRONG_INLINE const CwiseBinaryOp<internal::scalar_max_op<Scalar>, const Derived, const OtherDerived> +cwiseMax(const EIGEN_CURRENT_STORAGE_BASE_CLASS<OtherDerived> &other) const +{ + return CwiseBinaryOp<internal::scalar_max_op<Scalar>, const Derived, const OtherDerived>(derived(), other.derived()); +} + +/** \returns an expression of the coefficient-wise quotient of *this and \a other + * + * Example: \include MatrixBase_cwiseQuotient.cpp + * Output: \verbinclude MatrixBase_cwiseQuotient.out + * + * \sa class CwiseBinaryOp, cwiseProduct(), cwiseInverse() + */ +template<typename OtherDerived> +EIGEN_STRONG_INLINE const CwiseBinaryOp<internal::scalar_quotient_op<Scalar>, const Derived, const OtherDerived> +cwiseQuotient(const EIGEN_CURRENT_STORAGE_BASE_CLASS<OtherDerived> &other) const +{ + return CwiseBinaryOp<internal::scalar_quotient_op<Scalar>, const Derived, const OtherDerived>(derived(), other.derived()); +} |