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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 18:24:20 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 18:24:20 +0000 |
commit | 483eb2f56657e8e7f419ab1a4fab8dce9ade8609 (patch) | |
tree | e5d88d25d870d5dedacb6bbdbe2a966086a0a5cf /src/boost/libs/math/test/test_hankel.cpp | |
parent | Initial commit. (diff) | |
download | ceph-upstream.tar.xz ceph-upstream.zip |
Adding upstream version 14.2.21.upstream/14.2.21upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/boost/libs/math/test/test_hankel.cpp')
-rw-r--r-- | src/boost/libs/math/test/test_hankel.cpp | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/src/boost/libs/math/test/test_hankel.cpp b/src/boost/libs/math/test/test_hankel.cpp new file mode 100644 index 00000000..f961234d --- /dev/null +++ b/src/boost/libs/math/test/test_hankel.cpp @@ -0,0 +1,149 @@ +// Copyright John Maddock 2012 +// Use, modification and distribution are subject to the +// Boost Software License, Version 1.0. (See accompanying file +// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) + +#include <pch_light.hpp> + +#define BOOST_MATH_OVERFLOW_ERROR_POLICY ignore_error +#define BOOST_TEST_MAIN +#include <boost/test/unit_test.hpp> +#include <boost/test/tools/floating_point_comparison.hpp> +#include <boost/math/special_functions/math_fwd.hpp> +#include <boost/math/concepts/real_concept.hpp> +#include <boost/array.hpp> +#include <boost/math/special_functions/hankel.hpp> +#include <iostream> +#include <iomanip> + +#ifdef _MSC_VER +# pragma warning(disable : 4756 4127) // overflow in constant arithmetic +// Constants are too big for float case, but this doesn't matter for test. +#endif + +// +// DESCRIPTION: +// ~~~~~~~~~~~~ +// +// This file tests the Hankel H1 and H2 functions. +// These are basically just a few spot tests, since the underlying implementation +// is the same as for the Bessel functions. +// +template <class T> +void check_close(const std::complex<T>& a, const std::complex<T>& b) +{ + T tol = boost::math::tools::epsilon<T>() * 3000; + BOOST_CHECK_CLOSE_FRACTION(a.real(), b.real(), tol); + BOOST_CHECK_CLOSE_FRACTION(a.imag(), b.imag(), tol); +} + +template <class T> +void test_hankel(T, const char* name) +{ + std::cout << "Testing type " << name << std::endl; + + static const boost::array<boost::array<std::complex<T>, 4>, 16> data = + {{ + // Values are v, z, J, and Y. + // H1 and H2 are calculated from functions.wolfram.com. + {{ 0, 1, static_cast<T>(0.765197686557966551449717526102663220909274289755325241861548L), static_cast<T>(0.0882569642156769579829267660235151628278175230906755467110438L) }}, + {{ 20, 15.5, static_cast<T>(0.0114685669049540880132573889173945340441319848974792913849131L), static_cast<T>(-2.23357703561803241011539677726233479433825678625142168545338L) }}, + {{ 202, 65, static_cast<T>(4.03123907894335908039069177339845754619082182624766366629474e-77L), static_cast<T>(-4.12853948338543234456930697819285129000267780751856135651604e73L) }}, + {{ 1.25, 2.25, static_cast<T>(0.548918751190427983177518806565451279306141559548962787802891L), static_cast<T>(-0.125900744882628421758627761371862848797979705547465002154794L) }}, + {{ -20, 15.5, static_cast<T>(0.0114685669049540880132573889173945340441319848974792913849131L), static_cast<T>(-2.23357703561803241011539677726233479433825678625142168545338L) }}, + {{ -20, -15.5, static_cast<T>(0.0114685669049540880132573889173945340441319848974792913849131L), std::complex<T>(static_cast<T>(-2.23357703561803241011539677726233479433825678625142168545338L), static_cast<T>(0.02293713380990817602651477783478906808826396979495858276983L))}}, + {{ 1.25, -1.5, std::complex<T>(static_cast<T>(-0.335713500965919366139805990226845134897000581426417882156072L), static_cast<T>(-0.335713500965919366139805990226845134897000581426417882156072L)), std::complex<T>(static_cast<T>(0.392747687664481978664420363126684555843062241632017696636768L), static_cast<T>(-1.064174689596320710944032343580374825637063404484853460948911L)) }}, + {{ -1.25, -1.5, std::complex<T>(static_cast<T>(0.515099846311769525023685454389374962206960751452481078650112L), static_cast<T>(-0.515099846311769525023685454389374962206960751452481078650112L)), std::complex<T>(static_cast<T>(-0.040329260174013212604062774398331485097569895404765001721544L), static_cast<T>(0.989870432449525837443308134380418439316351607500197155578680L)) }}, + {{ 4, 4, static_cast<T>(0.281129064961360106322277160229942806897088617059328870629222L), static_cast<T>(-0.488936768533842510615657398339913206218740182079627974737267L) }}, + {{ 4, -4, static_cast<T>(0.281129064961360106322277160229942806897088617059328870629222L), std::complex<T>(static_cast<T>(-0.488936768533842510615657398339913206218740182079627974737267L), static_cast<T>(0.562258129922720212644554320459885613794177234118657741258443L)) }}, + {{ -4, 4, static_cast<T>(0.281129064961360106322277160229942806897088617059328870629222L), static_cast<T>(-0.488936768533842510615657398339913206218740182079627974737267L) }}, + {{ -4, -4, static_cast<T>(0.281129064961360106322277160229942806897088617059328870629222), std::complex<T>(static_cast<T>(-0.488936768533842510615657398339913206218740182079627974737267), static_cast<T>(0.562258129922720212644554320459885613794177234118657741258443L)) }}, + {{ 3, 3, static_cast<T>(0.309062722255251643618260194946833149429135935993056794354475L), static_cast<T>(-0.538541616105031618004703905338594463807957863604859251481262L) }}, + {{ 3, -3, static_cast<T>(-0.309062722255251643618260194946833149429135935993056794354475L), std::complex<T>(static_cast<T>(0.538541616105031618004703905338594463807957863604859251481262L), static_cast<T>(-0.618125444510503287236520389893666298858271871986113588708949L)) }}, + {{ -3, 3, static_cast<T>(-0.309062722255251643618260194946833149429135935993056794354475L), static_cast<T>(0.538541616105031618004703905338594463807957863604859251481262L) }}, + {{ -3, -3, static_cast<T>(0.309062722255251643618260194946833149429135935993056794354475L), std::complex<T>(static_cast<T>(-0.538541616105031618004703905338594463807957863604859251481262L), static_cast<T>(0.618125444510503287236520389893666298858271871986113588708949L)) }}, + }}; + + std::complex<T> im(0, 1); + for(unsigned i = 0; i < data.size(); ++i) + { + if((i != 2) || (std::numeric_limits<T>::max_exponent10 > 80)) + { + check_close(boost::math::cyl_hankel_1(data[i][0].real(), data[i][1].real()), data[i][2] + im * data[i][3]); + check_close(boost::math::cyl_hankel_2(data[i][0].real(), data[i][1].real()), data[i][2] - im * data[i][3]); + + check_close( + boost::math::cyl_hankel_1(data[i][0].real() + 0.5f, data[i][1].real()) * boost::math::constants::root_half_pi<T>() / sqrt(data[i][1]), + boost::math::sph_hankel_1(data[i][0].real(), data[i][1].real())); + check_close( + boost::math::cyl_hankel_2(data[i][0].real() + 0.5f, data[i][1].real()) * boost::math::constants::root_half_pi<T>() / sqrt(data[i][1]), + boost::math::sph_hankel_2(data[i][0].real(), data[i][1].real())); + } + } +} + +// +// Instantiate a few instances to check our error handling code can cope with std::complex: +// +typedef boost::math::policies::policy< + boost::math::policies::overflow_error<boost::math::policies::throw_on_error>, + boost::math::policies::denorm_error<boost::math::policies::throw_on_error>, + boost::math::policies::underflow_error<boost::math::policies::throw_on_error>, + boost::math::policies::domain_error<boost::math::policies::throw_on_error>, + boost::math::policies::pole_error<boost::math::policies::throw_on_error>, + boost::math::policies::rounding_error<boost::math::policies::throw_on_error>, + boost::math::policies::evaluation_error<boost::math::policies::throw_on_error>, + boost::math::policies::indeterminate_result_error<boost::math::policies::throw_on_error> > pol1; + +template std::complex<double> boost::math::cyl_hankel_1<double, double, pol1>(double, double, const pol1&); + +typedef boost::math::policies::policy< + boost::math::policies::overflow_error<boost::math::policies::errno_on_error>, + boost::math::policies::denorm_error<boost::math::policies::errno_on_error>, + boost::math::policies::underflow_error<boost::math::policies::errno_on_error>, + boost::math::policies::domain_error<boost::math::policies::errno_on_error>, + boost::math::policies::pole_error<boost::math::policies::errno_on_error>, + boost::math::policies::rounding_error<boost::math::policies::errno_on_error>, + boost::math::policies::evaluation_error<boost::math::policies::errno_on_error>, + boost::math::policies::indeterminate_result_error<boost::math::policies::errno_on_error> > pol2; + +template std::complex<double> boost::math::cyl_hankel_1<double, double, pol2>(double, double, const pol2&); + +typedef boost::math::policies::policy< + boost::math::policies::overflow_error<boost::math::policies::ignore_error>, + boost::math::policies::denorm_error<boost::math::policies::ignore_error>, + boost::math::policies::underflow_error<boost::math::policies::ignore_error>, + boost::math::policies::domain_error<boost::math::policies::ignore_error>, + boost::math::policies::pole_error<boost::math::policies::ignore_error>, + boost::math::policies::rounding_error<boost::math::policies::ignore_error>, + boost::math::policies::evaluation_error<boost::math::policies::ignore_error>, + boost::math::policies::indeterminate_result_error<boost::math::policies::ignore_error> > pol3; + +template std::complex<double> boost::math::cyl_hankel_1<double, double, pol3>(double, double, const pol3&); + + +BOOST_AUTO_TEST_CASE( test_main ) +{ +#ifdef TEST_GSL + gsl_set_error_handler_off(); +#endif + BOOST_MATH_CONTROL_FP; + +#ifndef BOOST_MATH_BUGGY_LARGE_FLOAT_CONSTANTS + test_hankel(0.1F, "float"); +#endif + test_hankel(0.1, "double"); +#ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS + test_hankel(0.1L, "long double"); +#else + std::cout << "<note>The long double tests have been disabled on this platform " + "either because the long double overloads of the usual math functions are " + "not available at all, or because they are too inaccurate for these tests " + "to pass.</note>" << std::endl; +#endif + +} + + + + |