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SpecialFunctionsPacketMath.h
1// This file is part of Eigen, a lightweight C++ template library
2// for linear algebra.
3//
4// Copyright (C) 2016 Gael Guennebaud <gael.guennebaud@inria.fr>
5//
6// This Source Code Form is subject to the terms of the Mozilla
7// Public License v. 2.0. If a copy of the MPL was not distributed
8// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
9
10#ifndef EIGEN_SPECIALFUNCTIONS_PACKETMATH_H
11#define EIGEN_SPECIALFUNCTIONS_PACKETMATH_H
12
13namespace Eigen {
14
15namespace internal {
16
18template<typename Packet> EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
19Packet plgamma(const Packet& a) { using numext::lgamma; return lgamma(a); }
20
22template<typename Packet> EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
23Packet pdigamma(const Packet& a) { using numext::digamma; return digamma(a); }
24
26template<typename Packet> EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
27Packet pzeta(const Packet& x, const Packet& q) { using numext::zeta; return zeta(x, q); }
28
30template<typename Packet> EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
31Packet ppolygamma(const Packet& n, const Packet& x) { using numext::polygamma; return polygamma(n, x); }
32
34template<typename Packet> EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
35Packet perf(const Packet& a) { using numext::erf; return erf(a); }
36
38template<typename Packet> EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
39Packet perfc(const Packet& a) { using numext::erfc; return erfc(a); }
40
42template<typename Packet> EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
43Packet pndtri(const Packet& a) {
44 typedef typename unpacket_traits<Packet>::type ScalarType;
45 using internal::generic_ndtri; return generic_ndtri<Packet, ScalarType>(a);
46}
47
49template<typename Packet> EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
50Packet pigamma(const Packet& a, const Packet& x) { using numext::igamma; return igamma(a, x); }
51
54template <typename Packet>
55EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Packet pigamma_der_a(const Packet& a, const Packet& x) {
56 using numext::igamma_der_a; return igamma_der_a(a, x);
57}
58
62template <typename Packet>
63EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Packet pgamma_sample_der_alpha(const Packet& alpha, const Packet& sample) {
64 using numext::gamma_sample_der_alpha; return gamma_sample_der_alpha(alpha, sample);
65}
66
68template<typename Packet> EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
69Packet pigammac(const Packet& a, const Packet& x) { using numext::igammac; return igammac(a, x); }
70
72template<typename Packet> EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
73Packet pbetainc(const Packet& a, const Packet& b,const Packet& x) { using numext::betainc; return betainc(a, b, x); }
74
75} // end namespace internal
76
77} // end namespace Eigen
78
79#endif // EIGEN_SPECIALFUNCTIONS_PACKETMATH_H
Namespace containing all symbols from the Eigen library.
const Eigen::CwiseBinaryOp< Eigen::internal::scalar_igammac_op< typename Derived::Scalar >, const Derived, const ExponentDerived > igammac(const Eigen::ArrayBase< Derived > &a, const Eigen::ArrayBase< ExponentDerived > &x)
Definition: SpecialFunctionsArrayAPI.h:90
const Eigen::CwiseBinaryOp< Eigen::internal::scalar_igamma_der_a_op< typename Derived::Scalar >, const Derived, const ExponentDerived > igamma_der_a(const Eigen::ArrayBase< Derived > &a, const Eigen::ArrayBase< ExponentDerived > &x)
Definition: SpecialFunctionsArrayAPI.h:51
const Eigen::CwiseUnaryOp< Eigen::internal::scalar_lgamma_op< typename Derived::Scalar >, const Derived > lgamma(const Eigen::ArrayBase< Derived > &x)
const Eigen::CwiseUnaryOp< Eigen::internal::scalar_erf_op< typename Derived::Scalar >, const Derived > erf(const Eigen::ArrayBase< Derived > &x)
const TensorCwiseTernaryOp< internal::scalar_betainc_op< typename XDerived::Scalar >, const ADerived, const BDerived, const XDerived > betainc(const ADerived &a, const BDerived &b, const XDerived &x)
Definition: TensorGlobalFunctions.h:24
const Eigen::CwiseBinaryOp< Eigen::internal::scalar_gamma_sample_der_alpha_op< typename AlphaDerived::Scalar >, const AlphaDerived, const SampleDerived > gamma_sample_der_alpha(const Eigen::ArrayBase< AlphaDerived > &alpha, const Eigen::ArrayBase< SampleDerived > &sample)
Definition: SpecialFunctionsArrayAPI.h:72
const Eigen::CwiseUnaryOp< Eigen::internal::scalar_erfc_op< typename Derived::Scalar >, const Derived > erfc(const Eigen::ArrayBase< Derived > &x)
const Eigen::CwiseUnaryOp< Eigen::internal::scalar_digamma_op< typename Derived::Scalar >, const Derived > digamma(const Eigen::ArrayBase< Derived > &x)
const Eigen::CwiseBinaryOp< Eigen::internal::scalar_polygamma_op< typename DerivedX::Scalar >, const DerivedN, const DerivedX > polygamma(const Eigen::ArrayBase< DerivedN > &n, const Eigen::ArrayBase< DerivedX > &x)
Definition: SpecialFunctionsArrayAPI.h:112
const Eigen::CwiseBinaryOp< Eigen::internal::scalar_igamma_op< typename Derived::Scalar >, const Derived, const ExponentDerived > igamma(const Eigen::ArrayBase< Derived > &a, const Eigen::ArrayBase< ExponentDerived > &x)
Definition: SpecialFunctionsArrayAPI.h:28
const Eigen::CwiseBinaryOp< Eigen::internal::scalar_zeta_op< typename DerivedX::Scalar >, const DerivedX, const DerivedQ > zeta(const Eigen::ArrayBase< DerivedX > &x, const Eigen::ArrayBase< DerivedQ > &q)
Definition: SpecialFunctionsArrayAPI.h:156