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277 lines
14 KiB
C++
277 lines
14 KiB
C++
// Copyright (c) 2013 Anton Bikineev
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#define BOOST_MATH_OVERFLOW_ERROR_POLICY ignore_error
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#include <boost/math/concepts/real_concept.hpp>
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#define BOOST_TEST_MAIN
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#include <boost/test/unit_test.hpp>
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#include <boost/test/floating_point_comparison.hpp>
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#include <boost/math/special_functions/math_fwd.hpp>
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#include <boost/math/constants/constants.hpp>
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#include <boost/type_traits/is_floating_point.hpp>
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#include <boost/array.hpp>
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#include "functor.hpp"
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#include "handle_test_result.hpp"
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#include "table_type.hpp"
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#ifndef SC_
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# define SC_(x) static_cast<typename table_type<T>::type>(BOOST_JOIN(x, L))
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#endif
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template <class Real, class T>
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void do_test_cyl_bessel_j_prime(const T& data, const char* type_name, const char* test_name)
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{
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#if !(defined(ERROR_REPORTING_MODE) && !defined(BESSEL_JP_FUNCTION_TO_TEST))
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typedef Real value_type;
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typedef value_type (*pg)(value_type, value_type);
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#ifdef BESSEL_JP_FUNCTION_TO_TEST
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pg funcp = BESSEL_JP_FUNCTION_TO_TEST;
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#elif defined(BOOST_MATH_NO_DEDUCED_FUNCTION_POINTERS)
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pg funcp = boost::math::cyl_bessel_j_prime<value_type, value_type>;
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#else
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pg funcp = boost::math::cyl_bessel_j_prime;
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#endif
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boost::math::tools::test_result<value_type> result;
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std::cout << "Testing " << test_name << " with type " << type_name
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<< "\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n";
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//
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// test cyl_bessel_j against data:
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//
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result = boost::math::tools::test_hetero<Real>(
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data,
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bind_func<Real>(funcp, 0, 1),
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extract_result<Real>(2));
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handle_test_result(result, data[result.worst()], result.worst(), type_name, "cyl_bessel_j_prime", test_name);
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std::cout << std::endl;
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#endif
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}
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template <class T>
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T cyl_bessel_j_prime_int_wrapper(T v, T x)
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{
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#ifdef BESSEL_JPN_FUNCTION_TO_TEST
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return static_cast<T>(BESSEL_JPN_FUNCTION_TO_TEST(boost::math::itrunc(v), x));
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#else
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return static_cast<T>(boost::math::cyl_bessel_j_prime(boost::math::itrunc(v), x));
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#endif
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}
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template <class Real, class T>
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void do_test_cyl_bessel_j_prime_int(const T& data, const char* type_name, const char* test_name)
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{
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#if !(defined(ERROR_REPORTING_MODE) && !defined(BESSEL_JPN_FUNCTION_TO_TEST))
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typedef Real value_type;
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typedef value_type (*pg)(value_type, value_type);
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#if defined(BOOST_MATH_NO_DEDUCED_FUNCTION_POINTERS)
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pg funcp = cyl_bessel_j_prime_int_wrapper<value_type>;
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#else
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pg funcp = cyl_bessel_j_prime_int_wrapper;
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#endif
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boost::math::tools::test_result<value_type> result;
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std::cout << "Testing " << test_name << " with type " << type_name
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<< "\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n";
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//
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// test cyl_bessel_j against data:
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//
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result = boost::math::tools::test_hetero<Real>(
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data,
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bind_func<Real>(funcp, 0, 1),
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extract_result<Real>(2));
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handle_test_result(result, data[result.worst()], result.worst(), type_name, "cyl_bessel_j_prime (integer orders)", test_name);
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std::cout << std::endl;
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#endif
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}
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template <class Real, class T>
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void do_test_sph_bessel_j_prime(const T& data, const char* type_name, const char* test_name)
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{
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#if !(defined(ERROR_REPORTING_MODE) && !defined(BESSEL_JPS_FUNCTION_TO_TEST))
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typedef Real value_type;
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typedef value_type (*pg)(unsigned, value_type);
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#ifdef BESSEL_JPS_FUNCTION_TO_TEST
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pg funcp = BESSEL_JPS_FUNCTION_TO_TEST;
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#elif defined(BOOST_MATH_NO_DEDUCED_FUNCTION_POINTERS)
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pg funcp = boost::math::sph_bessel_prime<value_type>;
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#else
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pg funcp = boost::math::sph_bessel_prime;
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#endif
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boost::math::tools::test_result<value_type> result;
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std::cout << "Testing " << test_name << " with type " << type_name
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<< "\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n";
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//
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// test sph_bessel against data:
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//
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result = boost::math::tools::test_hetero<Real>(
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data,
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bind_func_int1<Real>(funcp, 0, 1),
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extract_result<Real>(2));
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handle_test_result(result, data[result.worst()], result.worst(), type_name, "sph_bessel_prime", test_name);
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std::cout << std::endl;
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#endif
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}
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template <class T>
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void test_bessel_prime(T, const char* name)
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{
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//
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// The actual test data is rather verbose, so it's in a separate file
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//
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// The contents are as follows, each row of data contains
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// three items, input value a, input value b and J'(a, b):
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//
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// function values calculated on http://functions.wolfram.com/
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static const boost::array<boost::array<typename table_type<T>::type, 3>, 8> j0_data = {{
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{{ SC_(0.0), SC_(0.0), SC_(0.0) }},
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{{ SC_(0.0), SC_(1.0), SC_(-0.440050585744933515959682203718914913127) }},
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{{ SC_(0.0), SC_(-2.0), SC_(0.576724807756873387202448242269137086920) }},
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{{ SC_(0.0), SC_(4.0), SC_(0.06604332802354913614318542080327502873) }},
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{{ SC_(0.0), SC_(-8.0), SC_(0.2346363468539146243812766515904546115488) }},
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{{ SC_(0.0), SC_(1e-05), SC_(-0.499999999993750000000026041666666612413194e-5) }},
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{{ SC_(0.0), SC_(1e-10), SC_(-0.499999999999999999999375000000000000000000e-10) }},
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{{ SC_(0.0), SC_(-1e+01), SC_(0.0434727461688614366697487680258592883062724) }},
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}};
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static const boost::array<boost::array<T, 3>, 6> j0_tricky = {{
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// Big numbers make the accuracy of std::sin the limiting factor:
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{{ SC_(0.0), SC_(1e+03), SC_(-0.00472831190708952391757607190121691628542) }},
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{{ SC_(0.0), SC_(1e+05), SC_(-0.0018467575628825677163621239671142157437) }},
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// test at the regular Bessel roots:
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{{ SC_(0.0), T(2521642)/(1024 * 1024), SC_(-0.519147572225778564548541576612898453392794) }},
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{{ SC_(0.0), T(5788221)/(1024 * 1024), SC_(0.34026483151709114336072749629487476476084) }},
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{{ SC_(0.0), T(9074091)/(1024 * 1024), SC_(-0.271452311894657014854145327490965399410) }},
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{{ SC_(0.0), T(12364320)/(1024 * 1024), SC_(0.2324598316641066033541448467171088144257742) }}
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}};
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static const boost::array<boost::array<typename table_type<T>::type, 3>, 8> j1_data = {{
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{{ SC_(1.0), SC_(0.0), SC_(0.5) }},
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{{ SC_(1.0), SC_(1.0), SC_(0.325147100813033035490035322383748307781902) }},
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{{ SC_(1.0), SC_(-2.0), SC_(-0.064471624737201025549396666484619917634997) }},
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{{ SC_(1.0), SC_(4.0), SC_(-0.38063897785796008825079441325087928479376) }},
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{{ SC_(1.0), SC_(-8.0), SC_(0.1423212637808145780432098264031651746248) }},
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{{ SC_(1.0), SC_(1e-05), SC_(0.499999999981250000000130208333332953559028) }},
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{{ SC_(1.0), SC_(1e-10), SC_(0.499999999999999999998125000000000000000001) }},
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{{ SC_(1.0), SC_(-1e+01), SC_(-0.250283039068234478864735739287914682660226) }},
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}};
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static const boost::array<boost::array<T, 3>, 5> j1_tricky = {{
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// Big numbers make the accuracy of std::sin the limiting factor:
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{{ SC_(1.0), SC_(1e+03), SC_(0.024781957840513085037413155043792491869881) }},
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{{ SC_(1.0), SC_(1e+05), SC_(-0.0017192195838116010182477650983128728897) }},
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// test at the regular Bessel roots:
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{{ SC_(1.0), T(4017834)/(1024*1024), SC_(-0.4027594878673806944036073218740057200193405151367) }},
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{{ SC_(1.0), T(7356375)/(1024*1024), SC_(0.3001157854852247730548242543591186404228210449219) }},
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{{ SC_(1.0), T(10667654)/(1024*1024), SC_(-0.2497048893045206718888096020236844196915626525879) }},
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}};
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static const boost::array<boost::array<typename table_type<T>::type, 3>, 17> jn_data = {{
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{{ SC_(-1.0), SC_(1.25), SC_(-0.2374074770153809244011000600949046202003956) }},
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{{ SC_(2.0), SC_(0.0), SC_(0.0) }},
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{{ SC_(-2.0), SC_(0.0), SC_(0.0) }},
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{{ SC_(2.0), SC_(1e-02), SC_(0.00249995833352864539930612069540679799606337) }},
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{{ SC_(5.0), SC_(10.0), SC_(-0.102571922008611714904101858221407144485) }},
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{{ SC_(5.0), SC_(-10.0), SC_(-0.102571922008611714904101858221407144485) }},
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{{ SC_(-5.0), SC_(1e+06), SC_(-0.0003310524513007044105585859534523271988) }},
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{{ SC_(5.0), SC_(1e+06), SC_(0.0003310524513007044105585859534523271988) }},
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{{ SC_(-5.0), SC_(-1.0), SC_(-0.001227850313053782886909720690402218190791576) }},
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{{ SC_(10.0), SC_(10.0), SC_(0.08436957863176118824849051273337698304165) }},
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{{ SC_(10.0), SC_(-10.0), SC_(-0.08436957863176118824849051273337698304165) }},
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{{ SC_(10.0), SC_(-5.0), SC_(-0.00258467784485473925206548854676116157568106) }},
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{{ SC_(-10.0), SC_(1e+06), SC_(-0.0007259518037193243350387875733893635962) }},
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{{ SC_(10.0), SC_(1e+06), SC_(-0.0007259518037193243350387875733893635962) }},
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{{ SC_(1e+02), SC_(8e+01), SC_(3.5036060582489177538508950593467499997755e-06) }},
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{{ SC_(1e+03), SC_(1e+05), SC_(-0.0021724469777608393409850758227465776486) }},
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{{ SC_(10.0), SC_(1e-100), SC_(2.69114445546737213403880070546737213403880070547e-909) }},
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}};
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do_test_cyl_bessel_j_prime<T>(j0_data, name, "Bessel J0': Mathworld Data");
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do_test_cyl_bessel_j_prime<T>(j0_tricky, name, "Bessel J0': Mathworld Data (Tricky cases)");
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do_test_cyl_bessel_j_prime<T>(j1_data, name, "Bessel J1': Mathworld Data");
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do_test_cyl_bessel_j_prime<T>(j1_tricky, name, "Bessel J1': Mathworld Data (tricky cases)");
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do_test_cyl_bessel_j_prime<T>(jn_data, name, "Bessel JN': Mathworld Data");
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do_test_cyl_bessel_j_prime_int<T>(j0_data, name, "Bessel J0': Mathworld Data (Integer Version)");
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do_test_cyl_bessel_j_prime_int<T>(j0_tricky, name, "Bessel J0': Mathworld Data (Tricky cases) (Integer Version)");
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do_test_cyl_bessel_j_prime_int<T>(j1_data, name, "Bessel J1': Mathworld Data (Integer Version)");
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do_test_cyl_bessel_j_prime_int<T>(j1_tricky, name, "Bessel J1': Mathworld Data (tricky cases) (Integer Version)");
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do_test_cyl_bessel_j_prime_int<T>(jn_data, name, "Bessel JN': Mathworld Data (Integer Version)");
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static const boost::array<boost::array<T, 3>, 21> jv_data = {{
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{{ T(22.5), T(0), SC_(0.0) }},
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{{ T(2457)/1024, T(1)/1024, SC_(9.35477929043111040277363766198320562099360690e-6) }},
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{{ SC_(5.5), T(3217)/1024, SC_(0.042165579369684463582791278988393873) }},
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{{ SC_(-5.5), T(3217)/1024, SC_(3.361570113176257957139775812778503494) }},
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{{ SC_(-5.5), SC_(1e+04), SC_(0.007593311396019034252155600098309836289) }},
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{{ SC_(5.5), SC_(1e+04), SC_(-0.00245022241637437956702428797044365092) }},
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{{ SC_(5.5), SC_(1e+06), SC_(-0.000279242826717266554062248256927185394) }},
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{{ SC_(5.125), SC_(1e+06), SC_(0.0001830632695189459708211614700642271) }},
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{{ SC_(5.875), SC_(1e+06), SC_(-0.0006474276718101871487286860109203539) }},
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{{ SC_(0.5), SC_(101.0), SC_(0.070640819172197226936337703929857171981702865) }},
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{{ SC_(-5.5), SC_(1e+04), SC_(0.007593311396019034252155600098309836289) }},
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{{ SC_(-5.5), SC_(1e+06), SC_(-0.0007474243882060190346457525218941411076) }},
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{{ SC_(-0.5), SC_(101.0), SC_(-0.036238035321276062532981494694583591262302408) }},
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{{ T(-10486074) / (1024*1024), T(1)/512, SC_(-7.0724447469115535625316241941528969321944e35) }},
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{{ T(-10486074) / (1024*1024), SC_(15.0), SC_(-0.15994088796049823354364759206656917967697690) }},
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{{ T(10486074) / (1024*1024), SC_(1e+02), SC_(-0.05778764167290516644655950658602424434253) }},
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{{ T(10486074) / (1024*1024), SC_(2e+04), SC_(-0.00091101010794789360775314125410690740803) }},
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{{ T(-10486074) / (1024*1024), SC_(1e+02), SC_(-0.057736130385111563671838499496767877709471701) }},
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{{ SC_(1.5), T(8034)/1024, SC_(0.2783550354042687982259490073096357) }},
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{{ SC_(8.5), boost::math::constants::pi<T>() * 4, SC_(-0.194590144622675911618596506265006877277074) }},
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{{ SC_(-8.5), boost::math::constants::pi<T>() * 4, SC_(-0.014516314554743677558496402742690038592728) }},
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}};
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do_test_cyl_bessel_j_prime<T>(jv_data, name, "Bessel J': Mathworld Data");
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static const boost::array<boost::array<T, 3>, 4> jv_large_data = {{
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#if LDBL_MAX_10_EXP > 308
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{{ SC_(-0.5), static_cast<T>(std::ldexp(0.5, -683)), SC_(-2.8687031947358902542073388638943588627056993e308) }},
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#else
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{{ SC_(-0.5), static_cast<T>(std::ldexp(0.5, -450)), SC_(-1.7688953183288445554095310240218576026580197125814e203) }},
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#endif
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{{ SC_(256.0), SC_(512.0), SC_(0.032286467266411904239327492993951594201583145) }},
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{{ SC_(-256.0), SC_(8.0), SC_(4.6974301387555891979202431551474684165419e-352) }},
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{{ SC_(-2.5), SC_(4.0), SC_(-0.3580070651681080294136741901878543615958139) }},
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}};
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if(jv_large_data[0][1] != 0)
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do_test_cyl_bessel_j_prime<T>(jv_large_data, name, "Bessel J': Mathworld Data (large values)");
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#include "bessel_j_prime_int_data.ipp"
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do_test_cyl_bessel_j_prime<T>(bessel_j_prime_int_data, name, "Bessel JN': Random Data");
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#include "bessel_j_prime_data.ipp"
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do_test_cyl_bessel_j_prime<T>(bessel_j_prime_data, name, "Bessel J': Random Data");
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#include "bessel_j_prime_large_data.ipp"
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do_test_cyl_bessel_j_prime<T>(bessel_j_prime_large_data, name, "Bessel J': Random Data (Tricky large values)");
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#include "sph_bessel_prime_data.ipp"
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do_test_sph_bessel_j_prime<T>(sph_bessel_prime_data, name, "Bessel j': Random Data");
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//
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// Some special cases:
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//
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BOOST_CHECK_EQUAL(boost::math::cyl_bessel_j_prime(T(1), T(0)), T(0.5));
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BOOST_CHECK_EQUAL(boost::math::cyl_bessel_j_prime(T(-1), T(0)), T(-0.5));
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BOOST_CHECK_EQUAL(boost::math::cyl_bessel_j_prime(T(2), T(0)), T(0));
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//
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// Special cases that are errors:
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//
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BOOST_MATH_CHECK_THROW(boost::math::sph_bessel_prime(1, T(0)), std::domain_error);
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BOOST_MATH_CHECK_THROW(boost::math::sph_bessel_prime(100000, T(0)), std::domain_error);
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BOOST_MATH_CHECK_THROW(boost::math::cyl_bessel_j_prime(T(-2.5), T(0)), std::domain_error);
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BOOST_MATH_CHECK_THROW(boost::math::cyl_bessel_j_prime(T(-2.5), T(-2)), std::domain_error);
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BOOST_MATH_CHECK_THROW(boost::math::cyl_bessel_j_prime(T(2.5), T(-2)), std::domain_error);
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}
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