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Diffstat (limited to 'Eigen/src/Array/CwiseOperators.h')
| -rw-r--r-- | Eigen/src/Array/CwiseOperators.h | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/Eigen/src/Array/CwiseOperators.h b/Eigen/src/Array/CwiseOperators.h new file mode 100644 index 000000000..82a18d11c --- /dev/null +++ b/Eigen/src/Array/CwiseOperators.h @@ -0,0 +1,153 @@ +// This file is part of Eigen, a lightweight C++ template library +// for linear algebra. Eigen itself is part of the KDE project. +// +// Copyright (C) 2008 Gael Guennebaud <g.gael@free.fr> +// +// 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/>. + +#ifndef EIGEN_ARRAY_CWISE_OPERATORS_H +#define EIGEN_ARRAY_CWISE_OPERATORS_H + +// -- unary operators -- + +/** \returns an expression of the coefficient-wise square root of *this. */ +template<typename Derived> +inline const CwiseUnaryOp<ei_scalar_sqrt_op<typename ei_traits<Derived>::Scalar>, Derived> +MatrixBase<Derived>::cwiseSqrt() const +{ + return derived(); +} + +/** \returns an expression of the coefficient-wise exponential of *this. */ +template<typename Derived> +inline const CwiseUnaryOp<ei_scalar_exp_op<typename ei_traits<Derived>::Scalar>, Derived> +MatrixBase<Derived>::cwiseExp() const +{ + return derived(); +} + +/** \returns an expression of the coefficient-wise logarithm of *this. */ +template<typename Derived> +inline const CwiseUnaryOp<ei_scalar_log_op<typename ei_traits<Derived>::Scalar>, Derived> +MatrixBase<Derived>::cwiseLog() const +{ + return derived(); +} + +/** \returns an expression of the coefficient-wise cosine of *this. */ +template<typename Derived> +inline const CwiseUnaryOp<ei_scalar_cos_op<typename ei_traits<Derived>::Scalar>, Derived> +MatrixBase<Derived>::cwiseCos() const +{ + return derived(); +} + +/** \returns an expression of the coefficient-wise sine of *this. */ +template<typename Derived> +inline const CwiseUnaryOp<ei_scalar_sin_op<typename ei_traits<Derived>::Scalar>, Derived> +MatrixBase<Derived>::cwiseSin() const +{ + return derived(); +} + +/** \returns an expression of the coefficient-wise power of *this to the given exponent. */ +template<typename Derived> +inline const CwiseUnaryOp<ei_scalar_pow_op<typename ei_traits<Derived>::Scalar>, Derived> +MatrixBase<Derived>::cwisePow(const Scalar& exponent) const +{ + return CwiseUnaryOp<ei_scalar_pow_op<Scalar>, Derived> + (derived(), ei_scalar_pow_op<Scalar>(exponent)); +} + +// -- binary operators -- + +/** \returns an expression of the coefficient-wise \< operator of *this and \a other + * + * \sa class CwiseBinaryOp + */ +template<typename Derived> +template<typename OtherDerived> +inline const CwiseBinaryOp<std::less<typename ei_traits<Derived>::Scalar>, Derived, OtherDerived> +MatrixBase<Derived>::cwiseLessThan(const MatrixBase<OtherDerived> &other) const +{ + return cwise(other, std::less<Scalar>()); +} + +/** \returns an expression of the coefficient-wise \<= operator of *this and \a other + * + * \sa class CwiseBinaryOp + */ +template<typename Derived> +template<typename OtherDerived> +inline const CwiseBinaryOp<std::less_equal<typename ei_traits<Derived>::Scalar>, Derived, OtherDerived> +MatrixBase<Derived>::cwiseLessEqual(const MatrixBase<OtherDerived> &other) const +{ + return cwise(other, std::less_equal<Scalar>()); +} + +/** \returns an expression of the coefficient-wise \> operator of *this and \a other + * + * \sa class CwiseBinaryOp + */ +template<typename Derived> +template<typename OtherDerived> +inline const CwiseBinaryOp<std::greater<typename ei_traits<Derived>::Scalar>, Derived, OtherDerived> +MatrixBase<Derived>::cwiseGreaterThan(const MatrixBase<OtherDerived> &other) const +{ + return cwise(other, std::greater<Scalar>()); +} + +/** \returns an expression of the coefficient-wise \>= operator of *this and \a other + * + * \sa class CwiseBinaryOp + */ +template<typename Derived> +template<typename OtherDerived> +inline const CwiseBinaryOp<std::greater_equal<typename ei_traits<Derived>::Scalar>, Derived, OtherDerived> +MatrixBase<Derived>::cwiseGreaterEqual(const MatrixBase<OtherDerived> &other) const +{ + return cwise(other, std::greater_equal<Scalar>()); +} + +/** \returns an expression of the coefficient-wise == operator of *this and \a other + * + * \sa class CwiseBinaryOp + */ +template<typename Derived> +template<typename OtherDerived> +inline const CwiseBinaryOp<std::equal_to<typename ei_traits<Derived>::Scalar>, Derived, OtherDerived> +MatrixBase<Derived>::cwiseEqualTo(const MatrixBase<OtherDerived> &other) const +{ + return cwise(other, std::equal_to<Scalar>()); +} + +/** \returns an expression of the coefficient-wise != operator of *this and \a other + * + * \sa class CwiseBinaryOp + */ +template<typename Derived> +template<typename OtherDerived> +inline const CwiseBinaryOp<std::not_equal_to<typename ei_traits<Derived>::Scalar>, Derived, OtherDerived> +MatrixBase<Derived>::cwiseNotEqualTo(const MatrixBase<OtherDerived> &other) const +{ + return cwise(other, std::not_equal_to<Scalar>()); +} + +#endif // EIGEN_ARRAY_CWISE_OPERATORS_H |