Function approx_equal

tests/fl/math/fixed_point.cpp:2183–2185

// ---------------------------------------------------------------------------

static bool approx_equal(float a, float b, float eps = 0.01f) {
    return (a - b) < eps && (b - a) < eps;
}

FL_TEST_CASE("u4x12: construction from float") {
    u4x12 zero(0.0f);