Function test_pow_above_one_unsigned_impl

tests/fl/math/fixed_point.cpp:5193–5198

// fire (it only triggers on base near 1.0, not on result).
template <typename FP>
static void test_pow_above_one_unsigned_impl() {
    const FP two(2.0f);
    const FP half(0.5f);
    const FP one(1.0f);
    FL_CHECK(FP::pow(two, half).raw() > one.raw());
}

FL_TEST_CASE("pow boundary - exactly 1.0 (#2969)") {
    FL_SUBCASE("s16x16") { test_pow_exactly_one_impl<s16x16>(); }