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Added catch for edge case nc=0 and testing for this

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This commit is contained in:
Jacob Hass
2026-01-21 15:13:10 -08:00
parent e51d71a474
commit 59a4e7a46d
2 changed files with 31 additions and 1 deletions
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19
test/test_nc_f.cpp
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@@ -327,6 +327,25 @@ void test_spots(RealType)
{
BOOST_CHECK_CLOSE(cdf(boost::math::non_central_f_distribution<RealType>(static_cast<RealType>(1e-100L), 3.f, 1.5f), static_cast<RealType>(1e100L)), static_cast<RealType>(0.6118152873453990639132215575213809716459L), tolerance);
}
// Check find_non_centrality_f edge case handling
// Case when nc=0
RealType a = 5;
RealType b = 2;
RealType nc = 0;
RealType x_vals[] = { 0.25, 1.25, 10, 100};
boost::math::non_central_f_distribution<RealType> dist_no_centrality(a, b, nc);
for (RealType x : x_vals)
{
RealType P = pdf(dist_no_centrality, x);
BOOST_CHECK_CLOSE(dist.find_non_centrality(x, a, b, P), static_cast<RealType>(0), tolerance);
}
// Case when P=1 or P=0
BOOST_MATH_CHECK_THROW(dist.find_non_centrality(x, a, b, 1), std::domain_error);
BOOST_MATH_CHECK_THROW(dist.find_non_centrality(x, a, b, 0), std::domain_error);
// Case when Q=1 or Q=0
BOOST_MATH_CHECK_THROW(dist.find_non_centrality(boost::math::complement(x, a, b, 1)), std::domain_error);
BOOST_MATH_CHECK_THROW(dist.find_non_centrality(boost::math::complement(x, a, b, 0)), std::domain_error);
} // template <class RealType>void test_spots(RealType)
BOOST_AUTO_TEST_CASE( test_main )