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Coverage: powm1 tests.

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jzmaddock
2025-05-08 16:23:58 +01:00
parent d5341809a4
commit a7f298c223
1 changed files with 15 additions and 0 deletions
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15
test/powm1_sqrtp1m1_test.hpp
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@@ -1606,5 +1606,20 @@ void test_powm1_sqrtp1m1(T, const char* type_name)
extract_result<T>(2));
handle_test_result(result, powm1_big_data[result.worst()], result.worst(), type_name, "boost::math::powm1", "powm1");
//
// Special cases and code coverage:
//
BOOST_MATH_IF_CONSTEXPR(std::numeric_limits<T>::has_quiet_NaN)
{
BOOST_MATH_CHECK_THROW(boost::math::powm1(std::numeric_limits<T>::quiet_NaN(), static_cast<T>(2.0)), std::domain_error);
BOOST_MATH_CHECK_THROW(boost::math::powm1(static_cast<T>(3.5), std::numeric_limits<T>::quiet_NaN()), std::domain_error);
}
BOOST_CHECK_EQUAL(boost::math::powm1(static_cast<T>(-2.0), static_cast<T>(4)), static_cast<T>(15));
BOOST_CHECK_EQUAL(boost::math::powm1(static_cast<T>(-3.0), static_cast<T>(4)), static_cast<T>(80));
BOOST_CHECK_EQUAL(boost::math::powm1(static_cast<T>(-3.0), static_cast<T>(3)), static_cast<T>(-28));
BOOST_CHECK_EQUAL(boost::math::powm1(-static_cast<T>(0.0), static_cast<T>(3)), static_cast<T>(-1));
BOOST_MATH_CHECK_THROW(boost::math::powm1(static_cast<T>(-3.5), static_cast<T>(2.25)), std::domain_error);
}