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Diffstat (limited to 'extern/Eigen3/Eigen/src/Eigen2Support/MathFunctions.h')
-rw-r--r-- | extern/Eigen3/Eigen/src/Eigen2Support/MathFunctions.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/extern/Eigen3/Eigen/src/Eigen2Support/MathFunctions.h b/extern/Eigen3/Eigen/src/Eigen2Support/MathFunctions.h new file mode 100644 index 00000000000..caa44e63f32 --- /dev/null +++ b/extern/Eigen3/Eigen/src/Eigen2Support/MathFunctions.h @@ -0,0 +1,68 @@ +// This file is part of Eigen, a lightweight C++ template library +// for linear algebra. +// +// Copyright (C) 2010 Gael Guennebaud <gael.guennebaud@inria.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 EIGEN2_MATH_FUNCTIONS_H +#define EIGEN2_MATH_FUNCTIONS_H + +template<typename T> inline typename NumTraits<T>::Real ei_real(const T& x) { return internal::real(x); } +template<typename T> inline typename NumTraits<T>::Real ei_imag(const T& x) { return internal::imag(x); } +template<typename T> inline T ei_conj(const T& x) { return internal::conj(x); } +template<typename T> inline typename NumTraits<T>::Real ei_abs (const T& x) { return internal::abs(x); } +template<typename T> inline typename NumTraits<T>::Real ei_abs2(const T& x) { return internal::abs2(x); } +template<typename T> inline T ei_sqrt(const T& x) { return internal::sqrt(x); } +template<typename T> inline T ei_exp (const T& x) { return internal::exp(x); } +template<typename T> inline T ei_log (const T& x) { return internal::log(x); } +template<typename T> inline T ei_sin (const T& x) { return internal::sin(x); } +template<typename T> inline T ei_cos (const T& x) { return internal::cos(x); } +template<typename T> inline T ei_atan2(const T& x,const T& y) { return internal::atan2(x,y); } +template<typename T> inline T ei_pow (const T& x,const T& y) { return internal::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); +} + +#endif // EIGEN2_MATH_FUNCTIONS_H |