| // This file is part of Eigen, a lightweight C++ template library |
| // for linear algebra. |
| // |
| // Copyright (C) 2010 Gael Guennebaud <gael.guennebaud@inria.fr> |
| // |
| // 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/. |
| |
| #ifndef EIGEN2_MATH_FUNCTIONS_H |
| #define EIGEN2_MATH_FUNCTIONS_H |
| |
| namespace Eigen { |
| |
| template<typename T> inline typename NumTraits<T>::Real ei_real(const T& x) { return numext::real(x); } |
| template<typename T> inline typename NumTraits<T>::Real ei_imag(const T& x) { return numext::imag(x); } |
| template<typename T> inline T ei_conj(const T& x) { return numext::conj(x); } |
| template<typename T> inline typename NumTraits<T>::Real ei_abs (const T& x) { using std::abs; return abs(x); } |
| template<typename T> inline typename NumTraits<T>::Real ei_abs2(const T& x) { return numext::abs2(x); } |
| template<typename T> inline T ei_sqrt(const T& x) { using std::sqrt; return sqrt(x); } |
| template<typename T> inline T ei_exp (const T& x) { using std::exp; return exp(x); } |
| template<typename T> inline T ei_log (const T& x) { using std::log; return log(x); } |
| template<typename T> inline T ei_sin (const T& x) { using std::sin; return sin(x); } |
| template<typename T> inline T ei_cos (const T& x) { using std::cos; return cos(x); } |
| template<typename T> inline T ei_atan2(const T& x,const T& y) { using std::atan2; return atan2(x,y); } |
| template<typename T> inline T ei_pow (const T& x,const T& y) { return numext::pow(x,y); } |
| template<typename T> inline T ei_random () { return internal::random<T>(); } |
| template<typename T> inline T ei_random (const T& x, const T& y) { return internal::random(x, y); } |
| |
| template<typename T> inline T precision () { return NumTraits<T>::dummy_precision(); } |
| template<typename T> inline T machine_epsilon () { return NumTraits<T>::epsilon(); } |
| |
| |
| template<typename Scalar, typename OtherScalar> |
| inline bool ei_isMuchSmallerThan(const Scalar& x, const OtherScalar& y, |
| typename NumTraits<Scalar>::Real precision = NumTraits<Scalar>::dummy_precision()) |
| { |
| return internal::isMuchSmallerThan(x, y, precision); |
| } |
| |
| template<typename Scalar> |
| inline bool ei_isApprox(const Scalar& x, const Scalar& y, |
| typename NumTraits<Scalar>::Real precision = NumTraits<Scalar>::dummy_precision()) |
| { |
| return internal::isApprox(x, y, precision); |
| } |
| |
| template<typename Scalar> |
| inline bool ei_isApproxOrLessThan(const Scalar& x, const Scalar& y, |
| typename NumTraits<Scalar>::Real precision = NumTraits<Scalar>::dummy_precision()) |
| { |
| return internal::isApproxOrLessThan(x, y, precision); |
| } |
| |
| } // end namespace Eigen |
| |
| #endif // EIGEN2_MATH_FUNCTIONS_H |