FLT_MIN
const BPoint TipManager::s_useDefaultOffset(FLT_MIN, FLT_MIN);
float fltmin = 0x0.ffffff8p-63*FLT_MIN * r;
return DBL_MIN/FLT_MIN * fltmin;
double_t tiny = DBL_MIN/FLT_MIN * r;
BRect bounds(FLT_MAX, FLT_MAX, -FLT_MIN, -FLT_MIN);