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1// (C) Copyright John Maddock 2007.
2// Use, modification and distribution are subject to the
3// Boost Software License, Version 1.0. (See accompanying file
4// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
5
6#define BOOST_MATH_OVERFLOW_ERROR_POLICY ignore_error
7#include <boost/math/concepts/real_concept.hpp>
8#define BOOST_TEST_MAIN
9#include <boost/test/unit_test.hpp>
92f5a8d4 10#include <boost/test/tools/floating_point_comparison.hpp>
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11#include <boost/math/special_functions/math_fwd.hpp>
12#include <boost/math/constants/constants.hpp>
13#include <boost/type_traits/is_floating_point.hpp>
14#include <boost/array.hpp>
15#include "functor.hpp"
16
17#include "handle_test_result.hpp"
18#include "table_type.hpp"
19
20#ifndef SC_
21# define SC_(x) static_cast<typename table_type<T>::type>(BOOST_JOIN(x, L))
22#endif
23
24template <class Real, class T>
25void do_test_cyl_neumann_y(const T& data, const char* type_name, const char* test_name)
26{
27#if !(defined(ERROR_REPORTING_MODE) && !defined(BESSEL_Y_FUNCTION_TO_TEST))
28 typedef Real value_type;
29
30 typedef value_type (*pg)(value_type, value_type);
31#ifdef BESSEL_Y_FUNCTION_TO_TEST
32 pg funcp = BESSEL_Y_FUNCTION_TO_TEST;
33#elif defined(BOOST_MATH_NO_DEDUCED_FUNCTION_POINTERS)
34 pg funcp = boost::math::cyl_neumann<value_type, value_type>;
35#else
36 pg funcp = boost::math::cyl_neumann;
37#endif
38
39 boost::math::tools::test_result<value_type> result;
40
41 std::cout << "Testing " << test_name << " with type " << type_name
42 << "\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n";
43
44 //
45 // test cyl_neumann against data:
46 //
47 result = boost::math::tools::test_hetero<Real>(
48 data,
49 bind_func<Real>(funcp, 0, 1),
50 extract_result<Real>(2));
51 handle_test_result(result, data[result.worst()], result.worst(), type_name, "cyl_neumann", test_name);
52 std::cout << std::endl;
53
54#endif
55}
56
57template <class T>
58T cyl_neumann_int_wrapper(T v, T x)
59{
60#ifdef BESSEL_YN_FUNCTION_TO_TEST
61 return static_cast<T>(BESSEL_YN_FUNCTION_TO_TEST(boost::math::itrunc(v), x));
62#else
63 return static_cast<T>(boost::math::cyl_neumann(boost::math::itrunc(v), x));
64#endif
65}
66
67template <class Real, class T>
68void do_test_cyl_neumann_y_int(const T& data, const char* type_name, const char* test_name)
69{
70#if !(defined(ERROR_REPORTING_MODE) && !defined(BESSEL_YN_FUNCTION_TO_TEST))
71 typedef Real value_type;
72
73 typedef value_type (*pg)(value_type, value_type);
74#if defined(BOOST_MATH_NO_DEDUCED_FUNCTION_POINTERS)
75 pg funcp = cyl_neumann_int_wrapper<value_type>;
76#else
77 pg funcp = cyl_neumann_int_wrapper;
78#endif
79
80 boost::math::tools::test_result<value_type> result;
81
82 std::cout << "Testing " << test_name << " with type " << type_name
83 << "\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n";
84
85 //
86 // test cyl_neumann against data:
87 //
88 result = boost::math::tools::test_hetero<Real>(
89 data,
90 bind_func<Real>(funcp, 0, 1),
91 extract_result<Real>(2));
92 handle_test_result(result, data[result.worst()], result.worst(), type_name, "cyl_neumann (integer orders)", test_name);
93 std::cout << std::endl;
94#endif
95}
96
97template <class Real, class T>
98void do_test_sph_neumann_y(const T& data, const char* type_name, const char* test_name)
99{
100#if !(defined(ERROR_REPORTING_MODE) && !defined(BESSEL_YS_FUNCTION_TO_TEST))
101 typedef Real value_type;
102
103 typedef value_type (*pg)(unsigned, value_type);
104#ifdef BESSEL_YS_FUNCTION_TO_TEST
105 pg funcp = BESSEL_YS_FUNCTION_TO_TEST;
106#elif defined(BOOST_MATH_NO_DEDUCED_FUNCTION_POINTERS)
107 pg funcp = boost::math::sph_neumann<value_type>;
108#else
109 pg funcp = boost::math::sph_neumann;
110#endif
111
112 boost::math::tools::test_result<value_type> result;
113
114 std::cout << "Testing " << test_name << " with type " << type_name
115 << "\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n";
116
117 //
118 // test sph_neumann against data:
119 //
120 result = boost::math::tools::test_hetero<Real>(
121 data,
122 bind_func_int1<Real>(funcp, 0, 1),
123 extract_result<Real>(2));
124 handle_test_result(result, data[result.worst()], result.worst(), type_name, "sph_neumann", test_name);
125 std::cout << std::endl;
126#endif
127}
128
129template <class T>
130void test_bessel(T, const char* name)
131{
132 //
133 // The actual test data is rather verbose, so it's in a separate file
134 //
135 // The contents are as follows, each row of data contains
136 // three items, input value a, input value b and erf(a, b):
137 //
138 // function values calculated on http://functions.wolfram.com/
1e59de90 139 static const std::array<std::array<typename table_type<T>::type, 3>, 9> y0_data = {{
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140 {{ SC_(0.0), SC_(1.0), SC_(0.0882569642156769579829267660235151628278175230906755467110438) }},
141 {{ SC_(0.0), SC_(2.0), SC_(0.510375672649745119596606592727157873268139227085846135571839) }},
142 {{ SC_(0.0), SC_(4.0), SC_(-0.0169407393250649919036351344471532182404925898980149027169321) }},
143 {{ SC_(0.0), SC_(8.0), SC_(0.223521489387566220527323400498620359274814930781423577578334) }},
144 {{ SC_(0.0), SC_(1e-05), SC_(-7.40316028370197013259676050746759072070960287586102867247159) }},
145 {{ SC_(0.0), SC_(1e-10), SC_(-14.7325162726972420426916696426209144888762342592762415255386) }},
146 {{ SC_(0.0), SC_(1e-20), SC_(-29.3912282502857968601858410375186700783698345615477536431464) }},
147 {{ SC_(0.0), SC_(1e+03), SC_(0.00471591797762281339977326146566525500985900489680197718528000) }},
148 {{ SC_(0.0), SC_(1e+05), SC_(0.00184676615886506410434074102431546125884886798090392516843524) }}
149 }};
1e59de90 150 static const std::array<std::array<typename table_type<T>::type, 3>, 9> y1_data = {{
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151 {{ SC_(1.0), SC_(1.0), SC_(-0.781212821300288716547150000047964820549906390716444607843833) }},
152 {{ SC_(1.0), SC_(2.0), SC_(-0.107032431540937546888370772277476636687480898235053860525795) }},
153 {{ SC_(1.0), SC_(4.0), SC_(0.397925710557100005253979972450791852271189181622908340876586) }},
154 {{ SC_(1.0), SC_(8.0), SC_(-0.158060461731247494255555266187483550327344049526705737651263) }},
155 {{ SC_(1.0), SC_(1e-10), SC_(-6.36619772367581343150789184284462611709080831190542841855708e9) }},
156 {{ SC_(1.0), SC_(1e-20), SC_(-6.36619772367581343075535053490057448139324059868649274367256e19) }},
157 {{ SC_(1.0), SC_(1e+01), SC_(0.249015424206953883923283474663222803260416543069658461246944) }},
158 {{ SC_(1.0), SC_(1e+03), SC_(-0.0247843312923517789148623560971412909386318548648705287583490) }},
159 {{ SC_(1.0), SC_(1e+05), SC_(0.00171921035008825630099494523539897102954509504993494957572726) }}
160 }};
1e59de90 161 static const std::array<std::array<typename table_type<T>::type, 3>, 10> yn_data = {{
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162 {{ SC_(2.0), SC_(1e-20), SC_(-1.27323954473516268615107010698011489627570899691226996904849e40) }},
163 {{ SC_(5.0), SC_(10.0), SC_(0.135403047689362303197029014762241709088405766746419538495983) }},
164 {{ SC_(-5.0), SC_(1e+06), SC_(0.000331052088322609048503535570014688967096938338061796192422114) }},
165 {{ SC_(10.0), SC_(10.0), SC_(-0.359814152183402722051986577343560609358382147846904467526222) }},
166 {{ SC_(10.0), SC_(1e-10), SC_(-1.18280490494334933900960937719565669877576135140014365217993e108) }},
167 {{ SC_(-10.0), SC_(1e+06), SC_(0.000725951969295187086245251366365393653610914686201194434805730) }},
168 {{ SC_(1e+02), SC_(5.0), SC_(-5.08486391602022287993091563093082035595081274976837280338134e115) }},
169 {{ SC_(1e+03), SC_(1e+05), SC_(0.00217254919137684037092834146629212647764581965821326561261181) }},
170 {{ SC_(-1e+03), SC_(7e+02), SC_(-1.88753109980945889960843803284345261796244752396992106755091e77) }},
171 {{ SC_(-25.0), SC_(8.0), SC_(3.45113613777297661997458045843868931827873456761831907587263e8) }}
172 }};
1e59de90 173 static const std::array<std::array<typename table_type<T>::type, 3>, 11> yv_data = {{
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174 //SC_(2.25), {{ SC_(1.0) / 1024, SC_(-1.01759203636941035147948317764932151601257765988969544340275e7) }},
175 {{ SC_(0.5), SC_(9.5367431640625e-7) /* 1/(1024*1024)*/, SC_(-817.033790261762580469303126467917092806755460418223776544122) }},
176 {{ SC_(5.5), SC_(3.125), SC_(-2.61489440328417468776474188539366752698192046890955453259866) }},
177 {{ SC_(-5.5), SC_(3.125), SC_(-0.0274994493896489729948109971802244976377957234563871795364056) }},
178 {{ SC_(-5.5), SC_(1e+04), SC_(-0.00759343502722670361395585198154817047185480147294665270646578) }},
179 {{ SC_(-10.0002994537353515625) /* -10486074 / (1024*1024)*/, SC_(0.0009765625) /*1/1024*/, SC_(-1.50382374389531766117868938966858995093408410498915220070230e38) }},
180 {{ SC_(-10.0002994537353515625) /* -10486074 / (1024*1024)*/, SC_(1e+02), SC_(0.0583041891319026009955779707640455341990844522293730214223545) }},
181 {{ SC_(141.75), SC_(1e+02), SC_(-5.38829231428696507293191118661269920130838607482708483122068e9) }},
182 {{ SC_(141.75), SC_(2e+04), SC_(-0.00376577888677186194728129112270988602876597726657372330194186) }},
183 {{ SC_(-141.75), SC_(1e+02), SC_(-3.81009803444766877495905954105669819951653361036342457919021e9) }},
184 {{ SC_(8.5), SC_(12.56637061435917295385057353311801153678867759750042328389) /*4Pi*/, SC_(0.257086543428224355151772807588810984369026142375675714560864) }},
185 {{ SC_(-8.5), SC_(12.56637061435917295385057353311801153678867759750042328389) /*4Pi*/, SC_(0.0436807946352780974532519564114026730332781693877984686758680) }},
186 }};
1e59de90 187 static const std::array<std::array<typename table_type<T>::type, 3>, 7> yv_large_data = {{
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188 // Bug report https://svn.boost.org/trac/boost/ticket/5560:
189 {{ SC_(0.5), SC_(1.24589936888719594193883785188809317368782599380894e-206) /*static_cast<T>(std::ldexp(0.5, -683))*/, SC_(-7.14823099969225685526188875418476476336424046896822867989728e102) }},
190 {{ SC_(-0.5), SC_(1.24589936888719594193883785188809317368782599380894e-206) /*static_cast<T>(std::ldexp(0.5, -683))*/, SC_(8.90597649117647254543282704099383321071493400182381039079219e-104) }},
191 {{ SC_(0.0), SC_(1.1102230246251565404236316680908203125e-16) /*static_cast<T>(std::ldexp(1.0, -53))*/, SC_(-23.4611779112897561252987257324561640034037313549011724328997) }},
192 {{ SC_(1.0), SC_(1.1102230246251565404236316680908203125e-16) /*static_cast<T>(std::ldexp(1.0, -53))*/, SC_(-5.73416113922265864550047623401604244038331542638719289100990e15) }},
193 {{ SC_(2.0), SC_(1.1102230246251565404236316680908203125e-16) /*static_cast<T>(std::ldexp(1.0, -53))*/, SC_(-1.03297463879542177245046832533417970379386617249046560049244e32) }},
194 {{ SC_(3.0), SC_(1.1102230246251565404236316680908203125e-16) /*static_cast<T>(std::ldexp(1.0, -53))*/, SC_(-3.72168335868978735639260528876490232745489151562358712422544e48) }},
195 {{ SC_(10.0), SC_(1.1102230246251565404236316680908203125e-16) /*static_cast<T>(std::ldexp(1.0, -53))*/, SC_(-4.15729476804920974669173904282420477878640623992500096231384e167) }},
196 }};
197
198 do_test_cyl_neumann_y<T>(y0_data, name, "Y0: Mathworld Data");
199 do_test_cyl_neumann_y<T>(y1_data, name, "Y1: Mathworld Data");
200 do_test_cyl_neumann_y<T>(yn_data, name, "Yn: Mathworld Data");
201 do_test_cyl_neumann_y_int<T>(y0_data, name, "Y0: Mathworld Data (Integer Version)");
202 do_test_cyl_neumann_y_int<T>(y1_data, name, "Y1: Mathworld Data (Integer Version)");
203 do_test_cyl_neumann_y_int<T>(yn_data, name, "Yn: Mathworld Data (Integer Version)");
204 do_test_cyl_neumann_y<T>(yv_data, name, "Yv: Mathworld Data");
205 if(static_cast<T>(yv_large_data[0][1]) != 0)
206 do_test_cyl_neumann_y<T>(yv_large_data, name, "Yv: Mathworld Data (large values)");
207
208#include "bessel_y01_data.ipp"
209 do_test_cyl_neumann_y<T>(bessel_y01_data, name, "Y0 and Y1: Random Data");
210#include "bessel_yn_data.ipp"
211 do_test_cyl_neumann_y<T>(bessel_yn_data, name, "Yn: Random Data");
212#include "bessel_yv_data.ipp"
213 do_test_cyl_neumann_y<T>(bessel_yv_data, name, "Yv: Random Data");
214
215#include "sph_neumann_data.ipp"
216 do_test_sph_neumann_y<T>(sph_neumann_data, name, "y: Random Data");
217}
218