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fix ZAM "cat" of doubles/times to include trailing ".0" per normal BiF behavior

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Vern Paxson 2024-03-20 14:15:40 -07:00 • committed by Tim Wojtulewicz
parent 86d1812d49
commit 4cafacf90b
5 changed files with 48 additions and 15 deletions
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26
src/util.cc
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@ -2550,6 +2550,32 @@ TEST_CASE("util split") {
}
}
TEST_CASE("util approx_equal") {
CHECK(approx_equal(47.0, 47.0) == true);
CHECK(approx_equal(47.0, -47.0) == false);
CHECK(approx_equal(47.00001, 47.00002) == false);
CHECK(approx_equal(47.00001, 47.00002, 1e-5) == true);
CHECK(approx_equal(47.0, -47.0, 1e2) == true);
CHECK(approx_equal(47.0, -47.0, 94 + 1e-10) == true);
CHECK(approx_equal(47.0, -47.0, 94) == false);
constexpr auto inf = std::numeric_limits<double>::infinity();
CHECK_FALSE(approx_equal(inf, inf));
CHECK_FALSE(approx_equal(-inf, inf));
CHECK_FALSE(approx_equal(inf, -inf));
CHECK_FALSE(approx_equal(inf, inf, inf));
constexpr auto qnan = std::numeric_limits<double>::quiet_NaN(); // There's also `signaling_NaN`.
CHECK_FALSE(approx_equal(qnan, qnan));
CHECK_FALSE(approx_equal(-qnan, qnan));
CHECK_FALSE(approx_equal(qnan, -qnan));
}
/**
* Returns whether two double values are approximately equal within some tolerance value.
*/
bool approx_equal(double a, double b, double tolerance) { return std::abs(a - b) < std::abs(tolerance); }
} // namespace zeek::util
extern "C" void out_of_memory(const char* where) {