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* Initial Commit * Add tests * Add docs * Fix svg file dimensions [CI SKIP] * Minor fixes [CI SKIP] * Fixes to docs and tests [CI SKIP] * More test fixes and cycle CI * Cycle CI * Update docs * Fix for MSVC-14.2 C++17 misc failure [CI SKIP]
83 lines
3.0 KiB
C++
83 lines
3.0 KiB
C++
// (C) Copyright Matt Borland 2021.
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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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#include "math_unit_test.hpp"
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#include <boost/math/statistics/z_test.hpp>
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#include <boost/math/statistics/univariate_statistics.hpp>
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#include <boost/multiprecision/cpp_bin_float.hpp>
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#include <limits>
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#include <vector>
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#include <random>
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using quad = boost::multiprecision::cpp_bin_float_quad;
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template<typename Real>
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void test_one_sample_z()
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{
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auto [computed_statistic, computed_pvalue] = boost::math::statistics::one_sample_z_test(Real(10), Real(2), Real(100), Real(10));
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CHECK_ULP_CLOSE(Real(0), computed_statistic, 5);
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CHECK_MOLLIFIED_CLOSE(Real(0), computed_pvalue, 5*std::numeric_limits<Real>::epsilon());
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auto [computed_statistic_2, computed_pvalue_2] = boost::math::statistics::one_sample_z_test(Real(10), Real(2), Real(100), Real(5));
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CHECK_ULP_CLOSE(Real(25), computed_statistic_2, 5);
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auto [computed_statistic_3, computed_pvalue_3] = boost::math::statistics::one_sample_z_test(Real(1)/2, Real(10), Real(100), Real(1)/3);
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CHECK_ULP_CLOSE(Real(1)/6, computed_statistic_3, 5);
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}
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template<typename Z>
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void test_integer_one_sample_z()
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{
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auto [computed_statistic, computed_pvalue] = boost::math::statistics::one_sample_z_test(Z(10), Z(2), Z(100), Z(10));
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CHECK_ULP_CLOSE(0.0, computed_statistic, 5);
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CHECK_MOLLIFIED_CLOSE(0.0, computed_pvalue, 5*std::numeric_limits<double>::epsilon());
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auto [computed_statistic_2, computed_pvalue_2] = boost::math::statistics::one_sample_z_test(Z(10), Z(2), Z(100), Z(5));
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CHECK_ULP_CLOSE(25.0, computed_statistic_2, 5);
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}
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template<typename Real>
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void test_two_sample_z()
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{
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std::vector<Real> set_1 {1,2,3,4,5};
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std::vector<Real> set_2 {2,3,4,5,6};
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auto [computed_statistic, computed_pvalue] = boost::math::statistics::two_sample_z_test(set_2, set_1);
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CHECK_ULP_CLOSE(Real(1), computed_statistic, 5);
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CHECK_MOLLIFIED_CLOSE(Real(0), computed_pvalue, 5*std::numeric_limits<Real>::epsilon());
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}
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template<typename Z>
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void test_integer_two_sample_z()
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{
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std::vector<Z> set_1 {1,2,3,4,5};
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std::vector<Z> set_2 {2,3,4,5,6};
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auto [computed_statistic, computed_pvalue] = boost::math::statistics::two_sample_z_test(set_2, set_1);
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CHECK_ULP_CLOSE(1.0, computed_statistic, 5);
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CHECK_MOLLIFIED_CLOSE(0.0, computed_pvalue, 5*std::numeric_limits<double>::epsilon());
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}
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int main()
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{
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test_one_sample_z<float>();
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test_one_sample_z<double>();
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test_one_sample_z<quad>();
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test_integer_one_sample_z<int>();
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test_integer_one_sample_z<int32_t>();
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test_integer_one_sample_z<int64_t>();
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test_integer_one_sample_z<uint32_t>();
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test_two_sample_z<float>();
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test_two_sample_z<double>();
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test_two_sample_z<quad>();
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test_integer_two_sample_z<int>();
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test_integer_two_sample_z<int32_t>();
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test_integer_two_sample_z<int64_t>();
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test_integer_two_sample_z<uint32_t>();
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}
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