const double multiplier = pow(10.0, - prefix * 3 - FirstSIPrefixPower);
const int text_height = p.boundingRect(0, 0, INT_MAX, INT_MAX,
const double multiplier = pow(10.0, - prefix * 3 - FirstSIPrefixPower);
const int text_height = p.boundingRect(0, 0, INT_MAX, INT_MAX,