• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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_BESSELFUNCTIONS_PACKETMATH_H
11 #define EIGEN_BESSELFUNCTIONS_PACKETMATH_H
12 
13 namespace Eigen {
14 
15 namespace internal {
16 
17 /** \internal \returns the exponentially scaled modified Bessel function of
18  * order zero i0(\a a) (coeff-wise) */
19 template <typename Packet>
20 EIGEN_DEVICE_FUNC EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
pbessel_i0(const Packet & x)21 Packet pbessel_i0(const Packet& x) {
22   return numext::bessel_i0(x);
23 }
24 
25 /** \internal \returns the exponentially scaled modified Bessel function of
26  * order zero i0e(\a a) (coeff-wise) */
27 template <typename Packet>
28 EIGEN_DEVICE_FUNC EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
pbessel_i0e(const Packet & x)29 Packet pbessel_i0e(const Packet& x) {
30   return numext::bessel_i0e(x);
31 }
32 
33 /** \internal \returns the exponentially scaled modified Bessel function of
34  * order one i1(\a a) (coeff-wise) */
35 template <typename Packet>
36 EIGEN_DEVICE_FUNC EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
pbessel_i1(const Packet & x)37 Packet pbessel_i1(const Packet& x) {
38   return numext::bessel_i1(x);
39 }
40 
41 /** \internal \returns the exponentially scaled modified Bessel function of
42  * order one i1e(\a a) (coeff-wise) */
43 template <typename Packet>
44 EIGEN_DEVICE_FUNC EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
pbessel_i1e(const Packet & x)45 Packet pbessel_i1e(const Packet& x) {
46   return numext::bessel_i1e(x);
47 }
48 
49 /** \internal \returns the exponentially scaled modified Bessel function of
50  * order zero j0(\a a) (coeff-wise) */
51 template <typename Packet>
52 EIGEN_DEVICE_FUNC EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
pbessel_j0(const Packet & x)53 Packet pbessel_j0(const Packet& x) {
54   return numext::bessel_j0(x);
55 }
56 
57 /** \internal \returns the exponentially scaled modified Bessel function of
58  * order zero j1(\a a) (coeff-wise) */
59 template <typename Packet>
60 EIGEN_DEVICE_FUNC EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
pbessel_j1(const Packet & x)61 Packet pbessel_j1(const Packet& x) {
62   return numext::bessel_j1(x);
63 }
64 
65 /** \internal \returns the exponentially scaled modified Bessel function of
66  * order one y0(\a a) (coeff-wise) */
67 template <typename Packet>
68 EIGEN_DEVICE_FUNC EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
pbessel_y0(const Packet & x)69 Packet pbessel_y0(const Packet& x) {
70   return numext::bessel_y0(x);
71 }
72 
73 /** \internal \returns the exponentially scaled modified Bessel function of
74  * order one y1(\a a) (coeff-wise) */
75 template <typename Packet>
76 EIGEN_DEVICE_FUNC EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
pbessel_y1(const Packet & x)77 Packet pbessel_y1(const Packet& x) {
78   return numext::bessel_y1(x);
79 }
80 
81 /** \internal \returns the exponentially scaled modified Bessel function of
82  * order zero k0(\a a) (coeff-wise) */
83 template <typename Packet>
84 EIGEN_DEVICE_FUNC EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
pbessel_k0(const Packet & x)85 Packet pbessel_k0(const Packet& x) {
86   return numext::bessel_k0(x);
87 }
88 
89 /** \internal \returns the exponentially scaled modified Bessel function of
90  * order zero k0e(\a a) (coeff-wise) */
91 template <typename Packet>
92 EIGEN_DEVICE_FUNC EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
pbessel_k0e(const Packet & x)93 Packet pbessel_k0e(const Packet& x) {
94   return numext::bessel_k0e(x);
95 }
96 
97 /** \internal \returns the exponentially scaled modified Bessel function of
98  * order one k1e(\a a) (coeff-wise) */
99 template <typename Packet>
100 EIGEN_DEVICE_FUNC EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
pbessel_k1(const Packet & x)101 Packet pbessel_k1(const Packet& x) {
102   return numext::bessel_k1(x);
103 }
104 
105 /** \internal \returns the exponentially scaled modified Bessel function of
106  * order one k1e(\a a) (coeff-wise) */
107 template <typename Packet>
108 EIGEN_DEVICE_FUNC EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
pbessel_k1e(const Packet & x)109 Packet pbessel_k1e(const Packet& x) {
110   return numext::bessel_k1e(x);
111 }
112 
113 } // end namespace internal
114 
115 } // end namespace Eigen
116 
117 #endif // EIGEN_BESSELFUNCTIONS_PACKETMATH_H
118 
119