chromium/third_party/eigen3/src/Eigen/src/plugins/MatrixCwiseUnaryOps.inc

// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2008-2009 Gael Guennebaud <[email protected]>
// Copyright (C) 2006-2008 Benoit Jacob <[email protected]>
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.

// This file is included into the body of the base classes supporting matrix specific coefficient-wise functions.
// This include MatrixBase and SparseMatrixBase.

typedef CwiseUnaryOp<internal::scalar_abs_op<Scalar>, const Derived> CwiseAbsReturnType;
typedef CwiseUnaryOp<internal::scalar_abs2_op<Scalar>, const Derived> CwiseAbs2ReturnType;
typedef CwiseUnaryOp<internal::scalar_arg_op<Scalar>, const Derived> CwiseArgReturnType;
typedef CwiseUnaryOp<internal::scalar_carg_op<Scalar>, const Derived> CwiseCArgReturnType;
typedef CwiseUnaryOp<internal::scalar_sqrt_op<Scalar>, const Derived> CwiseSqrtReturnType;
typedef CwiseUnaryOp<internal::scalar_cbrt_op<Scalar>, const Derived> CwiseCbrtReturnType;
typedef CwiseUnaryOp<internal::scalar_square_op<Scalar>, const Derived> CwiseSquareReturnType;
typedef CwiseUnaryOp<internal::scalar_sign_op<Scalar>, const Derived> CwiseSignReturnType;
typedef CwiseUnaryOp<internal::scalar_inverse_op<Scalar>, const Derived> CwiseInverseReturnType;

/// \returns an expression of the coefficient-wise absolute value of \c *this
///
/// Example: \include MatrixBase_cwiseAbs.cpp
/// Output: \verbinclude MatrixBase_cwiseAbs.out
///
EIGEN_DOC_UNARY_ADDONS(cwiseAbs, absolute value)
///
/// \sa cwiseAbs2()
///
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE const CwiseAbsReturnType cwiseAbs() const { … }

/// \returns an expression of the coefficient-wise squared absolute value of \c *this
///
/// Example: \include MatrixBase_cwiseAbs2.cpp
/// Output: \verbinclude MatrixBase_cwiseAbs2.out
///
EIGEN_DOC_UNARY_ADDONS(cwiseAbs2, squared absolute value)
///
/// \sa cwiseAbs()
///
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE const CwiseAbs2ReturnType cwiseAbs2() const { … }

/// \returns an expression of the coefficient-wise square root of *this.
///
/// Example: \include MatrixBase_cwiseSqrt.cpp
/// Output: \verbinclude MatrixBase_cwiseSqrt.out
///
EIGEN_DOC_UNARY_ADDONS(cwiseSqrt, square - root)
///
/// \sa cwisePow(), cwiseSquare(), cwiseCbrt()
///
EIGEN_DEVICE_FUNC inline const CwiseSqrtReturnType cwiseSqrt() const { … }

/// \returns an expression of the coefficient-wise cube root of *this.
///
/// Example: \include MatrixBase_cwiseCbrt.cpp
/// Output: \verbinclude MatrixBase_cwiseCbrt.out
///
EIGEN_DOC_UNARY_ADDONS(cwiseCbrt, cube - root)
///
/// \sa cwiseSqrt(), cwiseSquare(), cwisePow()
///
EIGEN_DEVICE_FUNC inline const CwiseCbrtReturnType cwiseCbrt() const { … }

/// \returns an expression of the coefficient-wise square of *this.
///
EIGEN_DOC_UNARY_ADDONS(cwiseSquare, square)
///
/// \sa cwisePow(), cwiseSqrt(), cwiseCbrt()
///
EIGEN_DEVICE_FUNC inline const CwiseSquareReturnType cwiseSquare() const { … }

/// \returns an expression of the coefficient-wise signum of *this.
///
/// Example: \include MatrixBase_cwiseSign.cpp
/// Output: \verbinclude MatrixBase_cwiseSign.out
///
EIGEN_DOC_UNARY_ADDONS(cwiseSign, sign function)
///
EIGEN_DEVICE_FUNC inline const CwiseSignReturnType cwiseSign() const { … }

/// \returns an expression of the coefficient-wise inverse of *this.
///
/// Example: \include MatrixBase_cwiseInverse.cpp
/// Output: \verbinclude MatrixBase_cwiseInverse.out
///
EIGEN_DOC_UNARY_ADDONS(cwiseInverse, inverse)
///
/// \sa cwiseProduct()
///
EIGEN_DEVICE_FUNC inline const CwiseInverseReturnType cwiseInverse() const { … }

/// \returns an expression of the coefficient-wise phase angle of \c *this
///
/// Example: \include MatrixBase_cwiseArg.cpp
/// Output: \verbinclude MatrixBase_cwiseArg.out
///
EIGEN_DOC_UNARY_ADDONS(cwiseArg, arg)

EIGEN_DEVICE_FUNC inline const CwiseArgReturnType cwiseArg() const { … }

EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE const CwiseCArgReturnType cwiseCArg() const { … }

template <typename ScalarExponent>
using CwisePowReturnType = …