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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_hypergeometric_dist.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_hypergeometric_dist.cpp')
-rw-r--r-- | src/boost/libs/math/test/test_hypergeometric_dist.cpp | 501 |
1 files changed, 501 insertions, 0 deletions
diff --git a/src/boost/libs/math/test/test_hypergeometric_dist.cpp b/src/boost/libs/math/test/test_hypergeometric_dist.cpp new file mode 100644 index 00000000..e49ec301 --- /dev/null +++ b/src/boost/libs/math/test/test_hypergeometric_dist.cpp @@ -0,0 +1,501 @@ +// Copyright John Maddock 2008 +// Copyright Paul A. Bristow +// Copyright Gautam Sewani + +// 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) + +#define BOOST_MATH_OVERFLOW_ERROR_POLICY throw_on_error +#include <boost/math/concepts/real_concept.hpp> // for real_concept +#include <boost/math/distributions/hypergeometric.hpp> + +#define BOOST_TEST_MAIN +#include <boost/test/unit_test.hpp> // Boost.Test +#include <boost/test/results_collector.hpp> +#include <boost/test/unit_test.hpp> +#include <boost/test/tools/floating_point_comparison.hpp> + +#include <iostream> + using std::cout; + using std::endl; + using std::setprecision; + +#include <boost/array.hpp> +#include "functor.hpp" +#include "handle_test_result.hpp" +#include "table_type.hpp" + +#define BOOST_CHECK_EX(a) \ + {\ + unsigned int failures = boost::unit_test::results_collector.results( boost::unit_test::framework::current_test_case().p_id ).p_assertions_failed;\ + BOOST_CHECK(a); \ + if(failures != boost::unit_test::results_collector.results( boost::unit_test::framework::current_test_case().p_id ).p_assertions_failed)\ + {\ + std::cerr << "Failure was with data ";\ + std::cerr << std::setprecision(35); \ + std::cerr << "x = " << x << ", r = " << r << ", n = " << n\ + << ", N = " << N << ", p = " << cp << ", q = " << ccp << std::endl;\ + }\ + } + +void expected_results() +{ + // + // Define the max and mean errors expected for + // various compilers and platforms. + // + const char* largest_type; +#ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS + if(boost::math::policies::digits<double, boost::math::policies::policy<> >() == boost::math::policies::digits<long double, boost::math::policies::policy<> >()) + { + largest_type = "(long\\s+)?double|real_concept"; + } + else + { + largest_type = "long double|real_concept"; + } +#else + largest_type = "(long\\s+)?double"; +#endif +#ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS + if((boost::math::tools::digits<long double>() > boost::math::tools::digits<double>()) + && (boost::math::tools::digits<long double>() < 100)) + { + // + // Some split of errors from long double into double: + // + add_expected_result( + ".*", // compiler + ".*", // stdlib + ".*", // platform + "double", // test type(s) + "Random.*", // test data group + ".*", 1500, 1500); // test function + add_expected_result( + ".*", // compiler + ".*", // stdlib + ".*", // platform + "double", // test type(s) + ".*", // test data group + ".*", 10, 10); // test function + } +#endif + + add_expected_result( + ".*", // compiler + ".*", // stdlib + ".*", // platform + "real_concept", // test type(s) + "Random.*", // test data group + ".*", 250000000, 25000000); // test function + add_expected_result( + ".*", // compiler + ".*", // stdlib + ".*", // platform + largest_type, // test type(s) + "Random.*", // test data group + ".*", 10000000, 5000000); // test function + add_expected_result( + ".*", // compiler + ".*", // stdlib + ".*", // platform + largest_type, // test type(s) + ".*", // test data group + ".*", 50, 20); // test function +} + +template <class T> +inline unsigned make_unsigned(T x) +{ + return static_cast<unsigned>(x); +} +template<> +inline unsigned make_unsigned(boost::math::concepts::real_concept x) +{ + return static_cast<unsigned>(x.value()); +} + +template <class T> +T pdf_tester(T r, T n, T N, T x) +{ + boost::math::hypergeometric_distribution<T> d(make_unsigned(r), make_unsigned(n), make_unsigned(N)); + return pdf(d, x); +} + +template <class T> +T cdf_tester(T r, T n, T N, T x) +{ + boost::math::hypergeometric_distribution<T> d(make_unsigned(r), make_unsigned(n), make_unsigned(N)); + return cdf(d, x); +} + +template <class T> +T ccdf_tester(T r, T n, T N, T x) +{ + boost::math::hypergeometric_distribution<T> d(make_unsigned(r), make_unsigned(n), make_unsigned(N)); + return cdf(complement(d, x)); +} + +template <class Real, class T> +void do_test_hypergeometric(const T& data, const char* type_name, const char* test_name) +{ + // warning suppression: + (void)data; + (void)type_name; + (void)test_name; + +#if !defined(TEST_QUANT) || (TEST_QUANT == 0) + typedef Real value_type; + + typedef value_type (*pg)(value_type, value_type, value_type, value_type); +#if defined(BOOST_MATH_NO_DEDUCED_FUNCTION_POINTERS) + pg funcp = pdf_tester<value_type>; +#else + pg funcp = pdf_tester; +#endif + + boost::math::tools::test_result<value_type> result; + + std::cout << "Testing " << test_name << " with type " << type_name + << "\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n"; + + // + // test hypergeometric against data: + // + result = boost::math::tools::test_hetero<Real>( + data, + bind_func<Real>(funcp, 0, 1, 2, 3), + extract_result<Real>(4)); + handle_test_result(result, data[result.worst()], result.worst(), type_name, "hypergeometric PDF", test_name); + +#if defined(BOOST_MATH_NO_DEDUCED_FUNCTION_POINTERS) + funcp = cdf_tester<value_type>; +#else + funcp = cdf_tester; +#endif + + // + // test hypergeometric against data: + // + result = boost::math::tools::test_hetero<Real>( + data, + bind_func<Real>(funcp, 0, 1, 2, 3), + extract_result<Real>(5)); + handle_test_result(result, data[result.worst()], result.worst(), type_name, "hypergeometric CDF", test_name); + +#if defined(BOOST_MATH_NO_DEDUCED_FUNCTION_POINTERS) + funcp = ccdf_tester<value_type>; +#else + funcp = ccdf_tester; +#endif + + // + // test hypergeometric against data: + // + result = boost::math::tools::test_hetero<Real>( + data, + bind_func<Real>(funcp, 0, 1, 2, 3), + extract_result<Real>(6)); + handle_test_result(result, data[result.worst()], result.worst(), type_name, "hypergeometric CDF complement", test_name); + std::cout << std::endl; +#endif +} + +template <class Real, class T> +void do_test_hypergeometric_quantile(const T& data, const char* type_name, const char* test_name) +{ + typedef Real value_type; + + std::cout << "Checking quantiles with " << test_name << " with type " << type_name + << "\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n"; + + if(boost::math::tools::digits<value_type>() > 50) + { + for(unsigned i = 0; i < data.size(); ++i) + { + using namespace boost::math::policies; + + unsigned r = make_unsigned(data[i][0]); + unsigned n = make_unsigned(data[i][1]); + unsigned N = make_unsigned(data[i][2]); + unsigned x = make_unsigned(data[i][3]); + value_type cp = data[i][5]; + value_type ccp = data[i][6]; + // + // A bit of warning suppression: + // + (void)x; + (void)n; + (void)r; + (void)N; + (void)cp; + (void)ccp; + +#if !defined(TEST_QUANT) || (TEST_QUANT == 1) + boost::math::hypergeometric_distribution<value_type, + policy<discrete_quantile<integer_round_up> > > du(r, n, N); + + if((cp < 0.9) && (cp > boost::math::tools::min_value<value_type>())) + { + BOOST_CHECK_EX(quantile(du, cp) >= x); + } + if((ccp < 0.9) && (ccp > boost::math::tools::min_value<value_type>())) + { + BOOST_CHECK_EX(quantile(complement(du, ccp)) >= x); + } +#endif +#if !defined(TEST_QUANT) || (TEST_QUANT == 2) + boost::math::hypergeometric_distribution<value_type, + policy<discrete_quantile<integer_round_down> > > dl(r, n, N); + if((cp < 0.9) && (cp > boost::math::tools::min_value<value_type>())) + { + BOOST_CHECK_EX(quantile(dl, cp) <= x); + } + if((ccp < 0.9) && (ccp > boost::math::tools::min_value<value_type>())) + { + BOOST_CHECK_EX(quantile(complement(dl, ccp)) <= x); + } +#endif +#if !defined(TEST_QUANT) || (TEST_QUANT == 3) + boost::math::hypergeometric_distribution<value_type, + policy<discrete_quantile<integer_round_nearest> > > dn(r, n, N); + + if((cp < 0.9) && (cp > boost::math::tools::min_value<value_type>())) + { + BOOST_CHECK_EX(quantile(dn, cp) == x); + } + if((ccp < 0.9) && (ccp > boost::math::tools::min_value<value_type>())) + { + BOOST_CHECK_EX(quantile(complement(dn, ccp)) == x); + } +#endif +#if !defined(TEST_QUANT) || (TEST_QUANT == 4) + boost::math::hypergeometric_distribution<value_type, + policy<discrete_quantile<integer_round_outwards> > > dou(r, n, N); + + if((cp < 0.9) && (cp > boost::math::tools::min_value<value_type>())) + { + if(cp < 0.5) + { + BOOST_CHECK_EX(quantile(dou, cp) <= x); + } + else + { + BOOST_CHECK_EX(quantile(dou, cp) >= x); + } + } + if((ccp < 0.9) && (ccp > boost::math::tools::min_value<value_type>())) + { + if(ccp < 0.5) + { + BOOST_CHECK_EX(quantile(complement(dou, ccp)) >= x); + } + else + { + BOOST_CHECK_EX(quantile(complement(dou, ccp)) <= x); + } + } +#endif +#if !defined(TEST_QUANT) || (TEST_QUANT == 5) + boost::math::hypergeometric_distribution<value_type, + policy<discrete_quantile<integer_round_inwards> > > di(r, n, N); + + if((cp < 0.9) && (cp > boost::math::tools::min_value<value_type>())) + { + if(cp < 0.5) + { + BOOST_CHECK_EX(quantile(di, cp) >= x); + } + else + { + BOOST_CHECK_EX(quantile(di, cp) <= x); + } + } + if((ccp < 0.9) && (ccp > boost::math::tools::min_value<value_type>())) + { + if(ccp < 0.5) + { + BOOST_CHECK_EX(quantile(complement(di, ccp)) <= x); + } + else + { + BOOST_CHECK_EX(quantile(complement(di, ccp)) >= x); + } + } +#endif + } + } +} + + +template <class RealType> +void test_spot(unsigned x, unsigned n, unsigned r, unsigned N, + RealType p, RealType cp, RealType ccp, RealType tol) +{ + // + // A bit of warning suppression: + // + (void)x; + (void)n; + (void)r; + (void)N; + (void)p; + (void)cp; + (void)ccp; + (void)tol; +#if !defined(TEST_QUANT) || (TEST_QUANT == 0) + boost::math::hypergeometric_distribution<RealType> d(r, n, N); + + std::pair<unsigned, unsigned> extent = range(d); + // CDF's: + BOOST_CHECK_CLOSE(pdf(d, x), p, tol); + BOOST_CHECK_CLOSE(cdf(d, x), cp, tol); + BOOST_CHECK_CLOSE(cdf(complement(d, x)), ccp, tol); + // Again with real-value arguments: + BOOST_CHECK_CLOSE(pdf(d, static_cast<RealType>(x)), p, tol); + BOOST_CHECK_CLOSE(cdf(d, static_cast<RealType>(x)), cp, tol); + BOOST_CHECK_CLOSE(cdf(complement(d, static_cast<RealType>(x))), ccp, tol); + // + // Quantiles, don't bother checking these for type float + // as there's not enough precision in the p and q values + // to get back to where we started: + // + if(boost::math::tools::digits<RealType>() > 50) + { + using namespace boost::math::policies; + + boost::math::hypergeometric_distribution<RealType, + policy<discrete_quantile<integer_round_up> > > du(r, n, N); + + BOOST_CHECK_EX(quantile(du, cp) >= x); + BOOST_CHECK_EX(quantile(complement(du, ccp)) >= x); + + boost::math::hypergeometric_distribution<RealType, + policy<discrete_quantile<integer_round_down> > > dl(r, n, N); + BOOST_CHECK_EX(quantile(dl, cp) <= x); + BOOST_CHECK_EX(quantile(complement(dl, ccp)) <= x); + + boost::math::hypergeometric_distribution<RealType, + policy<discrete_quantile<integer_round_nearest> > > dn(r, n, N); + + BOOST_CHECK_EX(quantile(dn, cp) == x); + BOOST_CHECK_EX(quantile(complement(dn, ccp)) == x); + } + // + // Error checking of out of bounds arguments: + // + BOOST_MATH_CHECK_THROW(pdf(d, extent.second + 1), std::domain_error); + BOOST_MATH_CHECK_THROW(cdf(d, extent.second + 1), std::domain_error); + BOOST_MATH_CHECK_THROW(cdf(complement(d, extent.second + 1)), std::domain_error); + if(extent.first > 0) + { + BOOST_MATH_CHECK_THROW(pdf(d, extent.first - 1), std::domain_error); + BOOST_MATH_CHECK_THROW(cdf(d, extent.first - 1), std::domain_error); + BOOST_MATH_CHECK_THROW(cdf(complement(d, extent.first - 1)), std::domain_error); + } + BOOST_MATH_CHECK_THROW(quantile(d, 1.1f), std::domain_error); + BOOST_MATH_CHECK_THROW(quantile(complement(d, 1.1f)), std::domain_error); + BOOST_MATH_CHECK_THROW(quantile(d, -0.001f), std::domain_error); + BOOST_MATH_CHECK_THROW(quantile(complement(d, -0.001f)), std::domain_error); + // + // Checking of extreme values: + // + BOOST_CHECK_EQUAL(quantile(d, 0), extent.first); + BOOST_CHECK_EQUAL(quantile(d, 1), extent.second); + BOOST_CHECK_EQUAL(quantile(complement(d, 0)), extent.second); + BOOST_CHECK_EQUAL(quantile(complement(d, 1)), extent.first); + BOOST_CHECK_EQUAL(cdf(d, extent.second), 1); + BOOST_CHECK_EQUAL(cdf(complement(d, extent.second)), 0); +#endif +} + +template <class RealType> +void test_spots(RealType /*T*/, const char* type_name) +{ + // Basic sanity checks. + // 50 eps as a percentage, up to a maximum of double precision + // Test data taken from Mathematica 6 +#define T RealType +#include "hypergeometric_test_data.ipp" + do_test_hypergeometric<T>(hypergeometric_test_data, type_name, "Mathematica data"); + +#include "hypergeometric_dist_data2.ipp" + if(boost::is_floating_point<RealType>::value) + { + // + // Don't test this for real_concept: it's too slow!!! + // + do_test_hypergeometric<T>(hypergeometric_dist_data2, type_name, "Random large data"); + } + + do_test_hypergeometric_quantile<T>(hypergeometric_test_data, type_name, "Mathematica data"); + if(boost::is_floating_point<RealType>::value) + { + // + // Don't test this for real_concept: it's too slow!!! + // + do_test_hypergeometric_quantile<T>(hypergeometric_dist_data2, type_name, "Random large data"); + } + + RealType tolerance = (std::max)( + static_cast<RealType>(2e-16L), // limit of test data + boost::math::tools::epsilon<RealType>()); + cout<<"Absolute tolerance:"<<tolerance<<endl; + + tolerance *= 50 * 100; // 50eps as a persentage + cout << "Tolerance for type " << typeid(RealType).name() << " is " << tolerance << " %" << endl; + + // + // These sanity check values were calculated using the online + // calculator at http://stattrek.com/Tables/Hypergeometric.aspx + // It's assumed that the test values are accurate to no more than + // double precision. + // + test_spot(20, 200, 50, 500, static_cast<T>(0.120748236361163), static_cast<T>(0.563532430195156), static_cast<T>(1 - 0.563532430195156), tolerance); + test_spot(53, 452, 64, 500, static_cast<T>(0.0184749573044286), static_cast<T>(0.0299118078796907), static_cast<T>(1 - 0.0299118078796907), tolerance); + test_spot(32, 1287, 128, 5000, static_cast<T>(0.0807012167418264), static_cast<T>(0.469768774237742), static_cast<T>(1 - 0.469768774237742), tolerance); + test_spot(1, 13, 4, 26, static_cast<T>(0.248695652173913), static_cast<T>(0.296521739130435), static_cast<T>(1 - 0.296521739130435), tolerance); + test_spot(2, 13, 4, 26, static_cast<T>(0.40695652173913), static_cast<T>(0.703478260869565), static_cast<T>(1 - 0.703478260869565), tolerance); + test_spot(3, 13, 4, 26, static_cast<T>(0.248695652173913), static_cast<T>(0.952173913043478), static_cast<T>(1 - 0.952173913043478), tolerance); + test_spot(40, 70, 89, 170, static_cast<T>(0.0721901023798991), static_cast<T>(0.885447799131944), static_cast<T>(1 - 0.885447799131944), tolerance); + + boost::math::hypergeometric_distribution<RealType> d(50, 200, 500); + BOOST_CHECK_EQUAL(range(d).first, 0u); + BOOST_CHECK_EQUAL(range(d).second, 50u); + BOOST_CHECK_CLOSE(mean(d), static_cast<RealType>(20), tolerance); + BOOST_CHECK_CLOSE(mode(d), static_cast<RealType>(20), tolerance); + BOOST_CHECK_CLOSE(variance(d), static_cast<RealType>(10.821643286573146292585170340681L), tolerance); + BOOST_CHECK_CLOSE(skewness(d), static_cast<RealType>(0.048833071022952084732902910189366L), tolerance); + BOOST_CHECK_CLOSE(kurtosis_excess(d), static_cast<RealType>(2.5155486690782804816404001878293L), tolerance); + BOOST_CHECK_CLOSE(kurtosis(d), kurtosis_excess(d) + 3, tolerance); + BOOST_CHECK_EQUAL(quantile(d, 0.5f), median(d)); + + BOOST_MATH_CHECK_THROW(d = boost::math::hypergeometric_distribution<RealType>(501, 40, 500), std::domain_error); + BOOST_MATH_CHECK_THROW(d = boost::math::hypergeometric_distribution<RealType>(40, 501, 500), std::domain_error); +} + + +BOOST_AUTO_TEST_CASE( test_main ) +{ + expected_results(); + // Basic sanity-check spot values. + // (Parameter value, arbitrarily zero, only communicates the floating point type). + test_spots(0.0F, "float"); // Test float. OK at decdigits = 0 tolerance = 0.0001 % + test_spots(0.0, "double"); // Test double. OK at decdigits 7, tolerance = 1e07 % +#ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS + test_spots(0.0L, "long double"); // Test long double. +#ifndef BOOST_MATH_NO_REAL_CONCEPT_TESTS + test_spots(boost::math::concepts::real_concept(0), "real_concept"); // Test real_concept. +#endif +#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 + + +} // BOOST_AUTO_TEST_CASE( test_main ) + |