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Diffstat (limited to 'Eigen/src/Core/arch/Default/ConjHelper.h')
| -rw-r--r-- | Eigen/src/Core/arch/Default/ConjHelper.h | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/Eigen/src/Core/arch/Default/ConjHelper.h b/Eigen/src/Core/arch/Default/ConjHelper.h deleted file mode 100644 index 53830b5a2..000000000 --- a/Eigen/src/Core/arch/Default/ConjHelper.h +++ /dev/null @@ -1,117 +0,0 @@ - -// This file is part of Eigen, a lightweight C++ template library -// for linear algebra. -// -// Copyright (C) 2017 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_CONJ_HELPER_H -#define EIGEN_ARCH_CONJ_HELPER_H - -#define EIGEN_MAKE_CONJ_HELPER_CPLX_REAL(PACKET_CPLX, PACKET_REAL) \ - template <> \ - struct conj_helper<PACKET_REAL, PACKET_CPLX, false, false> { \ - EIGEN_STRONG_INLINE PACKET_CPLX pmadd(const PACKET_REAL& x, \ - const PACKET_CPLX& y, \ - const PACKET_CPLX& c) const { \ - return padd(c, this->pmul(x, y)); \ - } \ - EIGEN_STRONG_INLINE PACKET_CPLX pmul(const PACKET_REAL& x, \ - const PACKET_CPLX& y) const { \ - return PACKET_CPLX(Eigen::internal::pmul<PACKET_REAL>(x, y.v)); \ - } \ - }; \ - \ - template <> \ - struct conj_helper<PACKET_CPLX, PACKET_REAL, false, false> { \ - EIGEN_STRONG_INLINE PACKET_CPLX pmadd(const PACKET_CPLX& x, \ - const PACKET_REAL& y, \ - const PACKET_CPLX& c) const { \ - return padd(c, this->pmul(x, y)); \ - } \ - EIGEN_STRONG_INLINE PACKET_CPLX pmul(const PACKET_CPLX& x, \ - const PACKET_REAL& y) const { \ - return PACKET_CPLX(Eigen::internal::pmul<PACKET_REAL>(x.v, y)); \ - } \ - }; - -namespace Eigen { -namespace internal { - -template<bool Conjugate> struct conj_if; - -template<> struct conj_if<true> { - template<typename T> - EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE T operator()(const T& x) const { return numext::conj(x); } - template<typename T> - EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE T pconj(const T& x) const { return internal::pconj(x); } -}; - -template<> struct conj_if<false> { - template<typename T> - EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE const T& operator()(const T& x) const { return x; } - template<typename T> - EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE const T& pconj(const T& x) const { return x; } -}; - -// Generic Implementation, assume scalars since the packet-version is -// specialized below. -template<typename LhsType, typename RhsType, bool ConjLhs, bool ConjRhs> -struct conj_helper { - typedef typename ScalarBinaryOpTraits<LhsType, RhsType>::ReturnType ResultType; - - EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE ResultType - pmadd(const LhsType& x, const RhsType& y, const ResultType& c) const - { return this->pmul(x, y) + c; } - - EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE ResultType - pmul(const LhsType& x, const RhsType& y) const - { return conj_if<ConjLhs>()(x) * conj_if<ConjRhs>()(y); } -}; - -template<typename LhsScalar, typename RhsScalar> -struct conj_helper<LhsScalar, RhsScalar, true, true> { - typedef typename ScalarBinaryOpTraits<LhsScalar,RhsScalar>::ReturnType ResultType; - - EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE ResultType - pmadd(const LhsScalar& x, const RhsScalar& y, const ResultType& c) const - { return this->pmul(x, y) + c; } - - // We save a conjuation by using the identity conj(a)*conj(b) = conj(a*b). - EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE ResultType - pmul(const LhsScalar& x, const RhsScalar& y) const - { return numext::conj(x * y); } -}; - -// Implementation with equal type, use packet operations. -template<typename Packet, bool ConjLhs, bool ConjRhs> -struct conj_helper<Packet, Packet, ConjLhs, ConjRhs> -{ - typedef Packet ResultType; - EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Packet pmadd(const Packet& x, const Packet& y, const Packet& c) const - { return Eigen::internal::pmadd(conj_if<ConjLhs>().pconj(x), conj_if<ConjRhs>().pconj(y), c); } - - - EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Packet pmul(const Packet& x, const Packet& y) const - { return Eigen::internal::pmul(conj_if<ConjLhs>().pconj(x), conj_if<ConjRhs>().pconj(y)); } -}; - -template<typename Packet> -struct conj_helper<Packet, Packet, true, true> -{ - typedef Packet ResultType; - - EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Packet pmadd(const Packet& x, const Packet& y, const Packet& c) const - { return Eigen::internal::pmadd(pconj(x), pconj(y), c); } - // We save a conjuation by using the identity conj(a)*conj(b) = conj(a*b). - EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Packet pmul(const Packet& x, const Packet& y) const - { return pconj(Eigen::internal::pmul(x, y)); } -}; - -} // namespace internal -} // namespace Eigen - -#endif // EIGEN_ARCH_CONJ_HELPER_H |