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math::iround

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Signed-off-by: Alexander Borsuk <me@alex.bio>
This commit is contained in:
Alexander Borsuk
2025-08-14 22:54:56 +03:00
committed by Konstantin Pastbin
parent 7781528263
commit 836c39ff64
8 changed files with 42 additions and 20 deletions
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16
libs/base/base_tests/math_test.cpp
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@@ -209,4 +209,20 @@ UNIT_TEST(is_finite)
TEST(is_finite(DBL_MIN / 2.0), ("As in cppreference example"));
}
UNIT_TEST(iround)
{
TEST_EQUAL(iround(0.0), 0, ());
TEST_EQUAL(iround(1.0), 1, ());
TEST_EQUAL(iround(1.5), 2, ());
TEST_EQUAL(iround(-1.5), -2, ());
TEST_EQUAL(iround(2.5), 3, ());
TEST_EQUAL(iround(-2.5), -3, ());
TEST_EQUAL(iround(2.5f), 3, ());
TEST_EQUAL(iround(-2.5f), -3, ());
TEST_EQUAL(iround(double(std::numeric_limits<int>::max()) - 0.5), std::numeric_limits<int>::max(), ());
TEST_EQUAL(iround(double(std::numeric_limits<int>::min()) + 0.5), std::numeric_limits<int>::min(), ());
}
} // namespace math_test