| // This file is part of Eigen, a lightweight C++ template library |
| // for linear algebra. |
| // |
| // Copyright (C) 2019 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 EIGEN_ARCH_GENERIC_PACKET_MATH_FUNCTIONS_FWD_H |
| #define EIGEN_ARCH_GENERIC_PACKET_MATH_FUNCTIONS_FWD_H |
| |
| namespace Eigen { |
| namespace internal { |
| |
| // Forward declarations of the generic math functions |
| // implemented in GenericPacketMathFunctions.h |
| // This is needed to workaround a circular dependency. |
| |
| template<typename Packet> EIGEN_STRONG_INLINE Packet |
| pfrexp_float(const Packet& a, Packet& exponent); |
| |
| template<typename Packet> EIGEN_STRONG_INLINE Packet |
| pfrexp_double(const Packet& a, Packet& exponent); |
| |
| template<typename Packet> EIGEN_STRONG_INLINE Packet |
| pldexp_float(Packet a, Packet exponent); |
| |
| /** \internal \returns log(x) for single precision float */ |
| template <typename Packet> |
| EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS |
| EIGEN_UNUSED |
| Packet plog_float(const Packet _x); |
| |
| /** \internal \returns log(x) for single precision float */ |
| template <typename Packet> |
| EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS |
| EIGEN_UNUSED |
| Packet plog_double(const Packet _x); |
| |
| /** \internal \returns log(1 + x) */ |
| template<typename Packet> |
| Packet generic_plog1p(const Packet& x); |
| |
| /** \internal \returns exp(x)-1 */ |
| template<typename Packet> |
| Packet generic_expm1(const Packet& x); |
| |
| /** \internal \returns exp(x) for single precision float */ |
| template <typename Packet> |
| EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS |
| EIGEN_UNUSED |
| Packet pexp_float(const Packet _x); |
| |
| /** \internal \returns exp(x) for double precision real numbers */ |
| template <typename Packet> |
| EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS |
| EIGEN_UNUSED |
| Packet pexp_double(const Packet _x); |
| |
| /** \internal \returns sin(x) for single precision float */ |
| template<typename Packet> |
| EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS |
| EIGEN_UNUSED |
| Packet psin_float(const Packet& x); |
| |
| /** \internal \returns cos(x) for single precision float */ |
| template<typename Packet> |
| EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS |
| EIGEN_UNUSED |
| Packet pcos_float(const Packet& x); |
| |
| template <typename Packet, int N> struct ppolevl; |
| |
| } // end namespace internal |
| } // end namespace Eigen |
| |
| #endif // EIGEN_ARCH_GENERIC_PACKET_MATH_FUNCTIONS_FWD_H |
