/**
* Convert the start value to it's highest whole unit.
* Accespts an optional precision for how many significant digits
* to retain
*
* @param int|null $precision
* @return float
*/
public function toBest($precision = null)
{
$fromUnit = UnitResolver::resolve($this->from);
$base = $this->getBase() == 2 ? 1024 : 1000;
$converted = $this->start;
while ($converted >= 1) {
$fromUnit++;
$result = $this->div($this->start, pow($base, $fromUnit), $precision);
if ($result <= 1) {
return $converted;
}
$converted = $result;
}
return $converted;
}
/**
* @expectedException \Nomnom\UnitNotFoundException
* @expectedExceptionMessage Unit "XB" not found
*/
public function test_unknown_metric_throws_exception()
{
UnitResolver::resolve("XB");
}
