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#include "ff/Factorial.h"
#include "test/3rdparty/catch.hpp"
#include <memory>
namespace {
constexpr auto ReciprocalFactorialArray = ff_aux::generateReciprocalFactorialArray<171>();
} // namespace
TEST_CASE("FactorialTest", "")
{
CHECK(ReciprocalFactorialArray.size() > 150);
CHECK(ReciprocalFactorialArray[0] == Approx(1.));
CHECK(ReciprocalFactorialArray[1] == Approx(1.));
CHECK(ReciprocalFactorialArray[2] == Approx(0.5));
CHECK(ReciprocalFactorialArray[3] == Approx(1.0 / 6));
CHECK(ReciprocalFactorialArray[150] == Approx(1.75027620692601519e-263).epsilon(1e-15));
}
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