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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/multiprecision/test/test_mpfi.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/multiprecision/test/test_mpfi.cpp')
-rw-r--r-- | src/boost/libs/multiprecision/test/test_mpfi.cpp | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/src/boost/libs/multiprecision/test/test_mpfi.cpp b/src/boost/libs/multiprecision/test/test_mpfi.cpp new file mode 100644 index 00000000..45d44bc5 --- /dev/null +++ b/src/boost/libs/multiprecision/test/test_mpfi.cpp @@ -0,0 +1,281 @@ +/////////////////////////////////////////////////////////////// +// Copyright 2012 John Maddock. Distributed under the Boost +// Software License, Version 1.0. (See accompanying file +// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt + +#ifdef _MSC_VER +#define _SCL_SECURE_NO_WARNINGS +#endif + +#include "test.hpp" +#include <boost/multiprecision/mpfi.hpp> +#include <boost/multiprecision/random.hpp> + +using namespace boost::multiprecision; +using namespace boost::random; + +void test_exp() +{ + std::cout << "Testing exp\n"; + + mpfr_float_50 val = 1.25; + + for (unsigned i = 0; i < 2000; ++i) + { + mpfr_float_100 a(val); + mpfr_float_100 b = exp(a); + mpfi_float_50 in = val; + in = exp(in); + BOOST_CHECK((boost::math::isfinite)(in)); + BOOST_CHECK(lower(in) <= b); + BOOST_CHECK(upper(in) >= b); + b = log(a); + in = val; + in = log(in); + BOOST_CHECK((boost::math::isfinite)(in)); + BOOST_CHECK(lower(in) <= b); + BOOST_CHECK(upper(in) >= b); + val *= 1.01; + } + val = 1; + for (unsigned i = 0; i < 2000; ++i) + { + mpfr_float_100 a(val); + mpfr_float_100 b = exp(a); + mpfi_float_50 in = val; + in = exp(in); + BOOST_CHECK((boost::math::isfinite)(in)); + BOOST_CHECK(lower(in) <= b); + BOOST_CHECK(upper(in) >= b); + b = log(a); + in = val; + in = log(in); + BOOST_CHECK((boost::math::isfinite)(in)); + BOOST_CHECK(lower(in) <= b); + BOOST_CHECK(upper(in) >= b); + val /= 1.01; + } +} + +void test_pow() +{ + std::cout << "Testing pow function\n"; + + mt19937 gen; + uniform_real_distribution<mpfr_float_50> dist1(0, 400); + + for (unsigned i = 0; i < 5000; ++i) + { + mpfr_float_50 base, p; + base = dist1(gen); + p = dist1(gen); + mpfr_float_100 a, b, r; + a = base; + b = p; + r = pow(a, b); + mpfi_float_50 ai, bi, ri; + ai = base; + bi = p; + ri = pow(ai, bi); + BOOST_CHECK((boost::math::isfinite)(ri)); + BOOST_CHECK(lower(ri) <= r); + BOOST_CHECK(upper(ri) >= r); + } +} + +void test_trig() +{ + std::cout << "Testing trig functions\n"; + + mt19937 gen; + uniform_real_distribution<mpfr_float_50> dist1(-1.57079632679, 1.57079632679); + uniform_real_distribution<mpfr_float_50> dist2(-1, 1); + + for (unsigned i = 0; i < 5000; ++i) + { + mpfr_float_50 val; + val = dist1(gen); + mpfr_float_100 a = val; + mpfr_float_100 b = sin(a); + mpfi_float_50 a2 = val; + mpfi_float_50 b2 = sin(a2); + BOOST_CHECK((boost::math::isfinite)(b2)); + BOOST_CHECK(lower(b2) <= b); + BOOST_CHECK(upper(b2) >= b); + b = cos(a); + b2 = cos(a2); + BOOST_CHECK((boost::math::isfinite)(b2)); + BOOST_CHECK(lower(b2) <= b); + BOOST_CHECK(upper(b2) >= b); + b = tan(a); + b2 = tan(a2); + BOOST_CHECK((boost::math::isfinite)(b2)); + BOOST_CHECK(lower(b2) <= b); + BOOST_CHECK(upper(b2) >= b); + } + for (unsigned i = 0; i < 5000; ++i) + { + mpfr_float_50 val; + val = dist2(gen); + mpfr_float_100 a = val; + mpfr_float_100 b = asin(a); + mpfi_float_50 a2 = val; + mpfi_float_50 b2 = asin(a2); + BOOST_CHECK((boost::math::isfinite)(b2)); + BOOST_CHECK(lower(b2) <= b); + BOOST_CHECK(upper(b2) >= b); + b = acos(a); + b2 = acos(a2); + BOOST_CHECK((boost::math::isfinite)(b2)); + BOOST_CHECK(lower(b2) <= b); + BOOST_CHECK(upper(b2) >= b); + b = atan(a); + b2 = atan(a2); + BOOST_CHECK((boost::math::isfinite)(b2)); + BOOST_CHECK(lower(b2) <= b); + BOOST_CHECK(upper(b2) >= b); + } +} + +void test_hyp() +{ + std::cout << "Testing hyperbolic trig functions\n"; + + mt19937 gen; + uniform_real_distribution<mpfr_float_50> dist1(-10, 10); + uniform_real_distribution<mpfr_float_50> dist2(-1, 1); + + for (unsigned i = 0; i < 5000; ++i) + { + mpfr_float_50 val; + val = dist1(gen); + mpfr_float_100 a = val; + mpfr_float_100 b = sinh(a); + mpfi_float_50 a2 = val; + mpfi_float_50 b2 = sinh(a2); + BOOST_CHECK((boost::math::isfinite)(b2)); + BOOST_CHECK(lower(b2) <= b); + BOOST_CHECK(upper(b2) >= b); + b = cosh(a); + b2 = cosh(a2); + BOOST_CHECK((boost::math::isfinite)(b2)); + BOOST_CHECK(lower(b2) <= b); + BOOST_CHECK(upper(b2) >= b); + b = tanh(a); + b2 = tanh(a2); + BOOST_CHECK((boost::math::isfinite)(b2)); + BOOST_CHECK(lower(b2) <= b); + BOOST_CHECK(upper(b2) >= b); + } +} + +void test_intervals() +{ + mpfi_float_50 a(1, 2); + mpfi_float_50 b(1.5, 2.5); + BOOST_CHECK_EQUAL(lower(a), 1); + BOOST_CHECK_EQUAL(upper(a), 2); + BOOST_CHECK_EQUAL(median(a), 1.5); + BOOST_CHECK_EQUAL(width(a), 1); + mpfi_float_50 r = intersect(a, b); + BOOST_CHECK_EQUAL(lower(r), 1.5); + BOOST_CHECK_EQUAL(upper(r), 2); + r = hull(a, b); + BOOST_CHECK_EQUAL(lower(r), 1); + BOOST_CHECK_EQUAL(upper(r), 2.5); + BOOST_CHECK(overlap(a, b)); + BOOST_CHECK(in(mpfr_float_50(1.5), a)); + BOOST_CHECK(in(mpfr_float_50(1), a)); + BOOST_CHECK(in(mpfr_float_50(2), a)); + BOOST_CHECK(!zero_in(a)); + b = mpfi_float_50(1.5, 1.75); + BOOST_CHECK(subset(b, a)); + BOOST_CHECK(proper_subset(b, a)); + BOOST_CHECK(!empty(a)); + BOOST_CHECK(!singleton(a)); + b = mpfi_float_50(5, 6); + r = intersect(a, b); + BOOST_CHECK(empty(r)); +} + +#ifdef TEST_SPECIAL +#include "math/table_type.hpp" +#include <boost/math/special_functions.hpp> + +#define T mpfi_float_50 + +typedef number<mpfi_float_backend<25> > mpfi_float_25; + +void test_log1p_expm1() +{ +#include "../../math/test/log1p_expm1_data.ipp" + + std::cout << std::setprecision(std::numeric_limits<mpfi_float_25>::max_digits10); + std::cout << "Testing log1p and expm1\n"; + + for (unsigned i = 0; i < log1p_expm1_data.size(); ++i) + { + mpfi_float_25 in(log1p_expm1_data[i][0]); + mpfi_float_25 out = boost::math::log1p(in); + mpfi_float_25 expected(log1p_expm1_data[i][1]); + if (!subset(expected, out)) + { + std::cout << in << std::endl; + std::cout << out << std::endl; + std::cout << expected << std::endl; + BOOST_CHECK(lower(out) <= lower(expected)); + BOOST_CHECK(upper(out) >= upper(expected)); + } + out = boost::math::expm1(in); + expected = mpfi_float_25(log1p_expm1_data[i][2]); + if (!subset(expected, out)) + { + std::cout << in << std::endl; + std::cout << out << std::endl; + std::cout << expected << std::endl; + BOOST_CHECK(lower(out) <= lower(expected)); + BOOST_CHECK(upper(out) >= upper(expected)); + } + } +} + +void test_bessel() +{ +#include "../../math/test/bessel_i_int_data.ipp" +#include "../../math/test/bessel_i_data.ipp" + + std::cout << std::setprecision(std::numeric_limits<mpfi_float_25>::max_digits10); + std::cout << "Testing Bessel Functions\n"; + + for (unsigned i = 0; i < bessel_i_int_data.size(); ++i) + { + int v = boost::lexical_cast<int>(static_cast<const char*>(bessel_i_int_data[i][0])); + mpfi_float_25 in(bessel_i_int_data[i][1]); + mpfi_float_25 out = boost::math::cyl_bessel_i(v, in); + mpfi_float_25 expected(bessel_i_int_data[i][2]); + if (!subset(expected, out)) + { + std::cout << in << std::endl; + std::cout << out << std::endl; + std::cout << expected << std::endl; + BOOST_CHECK(lower(out) <= lower(expected)); + BOOST_CHECK(upper(out) >= upper(expected)); + } + } +} + +#endif + +int main() +{ +#ifdef TEST_SPECIAL + test_log1p_expm1(); + test_bessel(); +#endif + test_intervals(); + test_exp(); + test_pow(); + test_trig(); + test_hyp(); + return boost::report_errors(); +} |