/usr/include/eigen3/Eigen/src/Eigen2Support/MathFunctions.h is in libeigen3-dev 3.2.2-3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | // 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
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