Function EqualWithAccuracy

POSIX/demo/UnitTest.cpp:117–119

template <typename T>
bool EqualWithAccuracy(T value1, T value2, T accuracy) {
    return fabs(value1 - value2) <= accuracy;
}

void testFloat(MMKV *mmkv) {
    auto ret = mmkv->set(numeric_limits<float>::max(), "float");