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Diffstat (limited to 'extern/Eigen2/Eigen/src/Core/GenericPacketMath.h')
| -rw-r--r-- | extern/Eigen2/Eigen/src/Core/GenericPacketMath.h | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/extern/Eigen2/Eigen/src/Core/GenericPacketMath.h b/extern/Eigen2/Eigen/src/Core/GenericPacketMath.h deleted file mode 100644 index b0eee29f70f..00000000000 --- a/extern/Eigen2/Eigen/src/Core/GenericPacketMath.h +++ /dev/null @@ -1,150 +0,0 @@ -// This file is part of Eigen, a lightweight C++ template library -// for linear algebra. Eigen itself is part of the KDE project. -// -// Copyright (C) 2008 Gael Guennebaud <g.gael@free.fr> -// Copyright (C) 2006-2008 Benoit Jacob <jacob.benoit.1@gmail.com> -// -// 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 EIGEN_GENERIC_PACKET_MATH_H -#define EIGEN_GENERIC_PACKET_MATH_H - -/** \internal - * \file GenericPacketMath.h - * - * Default implementation for types not supported by the vectorization. - * In practice these functions are provided to make easier the writing - * of generic vectorized code. - */ - -/** \internal \returns a + b (coeff-wise) */ -template<typename Packet> inline Packet -ei_padd(const Packet& a, - const Packet& b) { return a+b; } - -/** \internal \returns a - b (coeff-wise) */ -template<typename Packet> inline Packet -ei_psub(const Packet& a, - const Packet& b) { return a-b; } - -/** \internal \returns a * b (coeff-wise) */ -template<typename Packet> inline Packet -ei_pmul(const Packet& a, - const Packet& b) { return a*b; } - -/** \internal \returns a / b (coeff-wise) */ -template<typename Packet> inline Packet -ei_pdiv(const Packet& a, - const Packet& b) { return a/b; } - -/** \internal \returns the min of \a a and \a b (coeff-wise) */ -template<typename Packet> inline Packet -ei_pmin(const Packet& a, - const Packet& b) { return std::min(a, b); } - -/** \internal \returns the max of \a a and \a b (coeff-wise) */ -template<typename Packet> inline Packet -ei_pmax(const Packet& a, - const Packet& b) { return std::max(a, b); } - -/** \internal \returns a packet version of \a *from, from must be 16 bytes aligned */ -template<typename Scalar> inline typename ei_packet_traits<Scalar>::type -ei_pload(const Scalar* from) { return *from; } - -/** \internal \returns a packet version of \a *from, (un-aligned load) */ -template<typename Scalar> inline typename ei_packet_traits<Scalar>::type -ei_ploadu(const Scalar* from) { return *from; } - -/** \internal \returns a packet with constant coefficients \a a, e.g.: (a,a,a,a) */ -template<typename Scalar> inline typename ei_packet_traits<Scalar>::type -ei_pset1(const Scalar& a) { return a; } - -/** \internal copy the packet \a from to \a *to, \a to must be 16 bytes aligned */ -template<typename Scalar, typename Packet> inline void ei_pstore(Scalar* to, const Packet& from) -{ (*to) = from; } - -/** \internal copy the packet \a from to \a *to, (un-aligned store) */ -template<typename Scalar, typename Packet> inline void ei_pstoreu(Scalar* to, const Packet& from) -{ (*to) = from; } - -/** \internal \returns the first element of a packet */ -template<typename Packet> inline typename ei_unpacket_traits<Packet>::type ei_pfirst(const Packet& a) -{ return a; } - -/** \internal \returns a packet where the element i contains the sum of the packet of \a vec[i] */ -template<typename Packet> inline Packet -ei_preduxp(const Packet* vecs) { return vecs[0]; } - -/** \internal \returns the sum of the elements of \a a*/ -template<typename Packet> inline typename ei_unpacket_traits<Packet>::type ei_predux(const Packet& a) -{ return a; } - - -/*************************************************************************** -* The following functions might not have to be overwritten for vectorized types -***************************************************************************/ - -/** \internal \returns a * b + c (coeff-wise) */ -template<typename Packet> inline Packet -ei_pmadd(const Packet& a, - const Packet& b, - const Packet& c) -{ return ei_padd(ei_pmul(a, b),c); } - -/** \internal \returns a packet version of \a *from. - * \If LoadMode equals Aligned, \a from must be 16 bytes aligned */ -template<typename Scalar, int LoadMode> -inline typename ei_packet_traits<Scalar>::type ei_ploadt(const Scalar* from) -{ - if(LoadMode == Aligned) - return ei_pload(from); - else - return ei_ploadu(from); -} - -/** \internal copy the packet \a from to \a *to. - * If StoreMode equals Aligned, \a to must be 16 bytes aligned */ -template<typename Scalar, typename Packet, int LoadMode> -inline void ei_pstoret(Scalar* to, const Packet& from) -{ - if(LoadMode == Aligned) - ei_pstore(to, from); - else - ei_pstoreu(to, from); -} - -/** \internal default implementation of ei_palign() allowing partial specialization */ -template<int Offset,typename PacketType> -struct ei_palign_impl -{ - // by default data are aligned, so there is nothing to be done :) - inline static void run(PacketType&, const PacketType&) {} -}; - -/** \internal update \a first using the concatenation of the \a Offset last elements - * of \a first and packet_size minus \a Offset first elements of \a second */ -template<int Offset,typename PacketType> -inline void ei_palign(PacketType& first, const PacketType& second) -{ - ei_palign_impl<Offset,PacketType>::run(first,second); -} - -#endif // EIGEN_GENERIC_PACKET_MATH_H - |