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Coverage: improve sinhc_pi tests.

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jzmaddock
2025-05-10 14:49:13 +01:00
parent a8948c31dc
commit 034d097010
1 changed files with 28 additions and 0 deletions
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28
test/sinhc_test.hpp
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@@ -13,9 +13,11 @@
#include <boost/math/special_functions/sinhc.hpp>
#include <boost/multiprecision/cpp_bin_float.hpp>
#define BOOST_TEST_MAIN
#include <boost/test/unit_test.hpp>
#include <boost/test/tools/floating_point_comparison.hpp>
BOOST_TEST_CASE_TEMPLATE_FUNCTION(sinhc_pi_test, T)
@@ -33,6 +35,19 @@ BOOST_TEST_CASE_TEMPLATE_FUNCTION(sinhc_pi_test, T)
BOOST_CHECK_PREDICATE(::std::less_equal<T>(),
(abs(sinhc_pi<T>(static_cast<T>(0))-static_cast<T>(1)))
(numeric_limits<T>::epsilon()));
using mp_t = boost::multiprecision::cpp_bin_float_50;
T val = 2;
T tolerance = boost::math::tools::epsilon<T>() * 100;
for (unsigned i = 0; i < 1000; ++i)
{
val /= 3;
if (val < boost::math::tools::min_value<T>())
break;
T r1 = sinhc_pi(val);
T r2 = static_cast<T>(sinh(mp_t(val)) / mp_t(val));
BOOST_CHECK_CLOSE_FRACTION(r1, r2, tolerance);
}
}
@@ -53,6 +68,19 @@ BOOST_TEST_CASE_TEMPLATE_FUNCTION(sinhc_pi_complex_test, T)
(abs(sinhc_pi<T>(::std::complex<T>(0, 1))-
::std::complex<T>(sin(static_cast<T>(1)))))
(numeric_limits<T>::epsilon()));
using mp_t = boost::multiprecision::cpp_complex_50;
std::complex<T> val(2, 2.5);
for (unsigned i = 0; i < 50; ++i)
{
val /= 3;
if (val.real() < boost::math::tools::min_value<T>())
break;
std::complex<T> r1 = sinhc_pi(val);
std::complex<T> r2 = static_cast<std::complex<T>>(sinh(mp_t(val)) / mp_t(val));
BOOST_CHECK_LE(std::abs(r1.real() - r2.real()), boost::math::tools::epsilon<T>());
BOOST_CHECK_LE(std::abs(r1.imag() - r2.imag()), boost::math::tools::epsilon<T>());
}
}