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17226100c5
Another solution would have been to make pshift* fully generic template functions with partial specialization which is always a mess in c++03.
70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
// This file is part of Eigen, a lightweight C++ template library
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// for linear algebra.
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//
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// Copyright (C) 2019 Gael Guennebaud <gael.guennebaud@inria.fr>
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//
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// This Source Code Form is subject to the terms of the Mozilla
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// Public License v. 2.0. If a copy of the MPL was not distributed
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// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#ifndef EIGEN_ARCH_GENERIC_PACKET_MATH_FUNCTIONS_FWD_H
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#define EIGEN_ARCH_GENERIC_PACKET_MATH_FUNCTIONS_FWD_H
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namespace Eigen {
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namespace internal {
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// Forward declarations of the generic math functions
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// implemented in GenericPacketMathFunctions.h
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// This is needed to workaround a circular dependency.
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template<typename Packet> EIGEN_STRONG_INLINE Packet
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pfrexp_float(const Packet& a, Packet& exponent);
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template<typename Packet> EIGEN_STRONG_INLINE Packet
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pldexp_float(Packet a, Packet exponent);
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/** \internal \returns log(x) for single precision float */
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template <typename Packet>
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EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
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EIGEN_UNUSED
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Packet plog_float(const Packet _x);
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/** \internal \returns log(1 + x) */
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template<typename Packet>
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Packet generic_plog1p(const Packet& x);
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/** \internal \returns exp(x)-1 */
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template<typename Packet>
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Packet generic_expm1(const Packet& x);
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/** \internal \returns exp(x) for single precision float */
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template <typename Packet>
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EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
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EIGEN_UNUSED
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Packet pexp_float(const Packet _x);
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/** \internal \returns exp(x) for double precision real numbers */
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template <typename Packet>
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EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
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EIGEN_UNUSED
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Packet pexp_double(const Packet _x);
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/** \internal \returns sin(x) for single precision float */
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template<typename Packet>
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EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
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EIGEN_UNUSED
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Packet psin_float(const Packet& x);
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/** \internal \returns cos(x) for single precision float */
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template<typename Packet>
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EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
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EIGEN_UNUSED
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Packet pcos_float(const Packet& x);
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template <typename Packet, int N> struct ppolevl;
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} // end namespace internal
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} // end namespace Eigen
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#endif // EIGEN_ARCH_GENERIC_PACKET_MATH_FUNCTIONS_FWD_H
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