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Fix a circular dependency regarding pshift* functions and GenericPacketMathFunctions.

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Another solution would have been to make pshift* fully generic template functions with
partial specialization which is always a mess in c++03.
This commit is contained in:
Gael Guennebaud 2019-09-06 09:26:04 +02:00
parent 55b63d4ea3
commit 17226100c5
3 changed files with 78 additions and 2 deletions
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6
Eigen/Core
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@ -163,8 +163,7 @@ using std::ptrdiff_t;
// Generic half float support
#include "src/Core/arch/Default/Half.h"
#include "src/Core/arch/Default/TypeCasting.h"
// This file provides generic implementations valid for scalar as well
#include "src/Core/arch/Default/GenericPacketMathFunctions.h"
#include "src/Core/arch/Default/GenericPacketMathFunctionsFwd.h"
#if defined EIGEN_VECTORIZE_AVX512
#include "src/Core/arch/SSE/PacketMath.h"
@ -228,7 +227,10 @@ using std::ptrdiff_t;
#include "src/Core/arch/SYCL/TypeCasting.h"
#endif
#endif
#include "src/Core/arch/Default/Settings.h"
// This file provides generic implementations valid for scalar as well
#include "src/Core/arch/Default/GenericPacketMathFunctions.h"
#include "src/Core/functors/TernaryFunctors.h"
#include "src/Core/functors/BinaryFunctors.h"

5
Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h
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@ -13,6 +13,9 @@
* Julien Pommier's sse math library: http://gruntthepeon.free.fr/ssemath/
*/
#ifndef EIGEN_ARCH_GENERIC_PACKET_MATH_FUNCTIONS_H
#define EIGEN_ARCH_GENERIC_PACKET_MATH_FUNCTIONS_H
namespace Eigen {
namespace internal {
@ -569,3 +572,5 @@ struct ppolevl<Packet, 0> {
} // end namespace internal
} // end namespace Eigen
#endif // EIGEN_ARCH_GENERIC_PACKET_MATH_FUNCTIONS_H

69
Eigen/src/Core/arch/Default/GenericPacketMathFunctionsFwd.h Normal file
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@ -0,0 +1,69 @@
// 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
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(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