/**
* @param Number $number
* @return boolean
*/
public function isEqual(Number $number)
{
$l1 = clone $this;
$l2 = clone $this;
$l1->bcadd($this->getLimitUp());
$l2->bcadd($this->getLimitDown());
return ($number->isLess($l1) || $number->isEqual($l1)) && ($number->isGreater($l2) || $number->isEqual($l2));
}
/**
* @param Number $number
* @return boolean
*/
public function isEqual($number)
{
if (!$number instanceof Number) {
$number = new Number($number);
}
$l1 = clone $this;
$l2 = clone $this;
$l1->bcadd($this->getLimitUp());
$l2->bcadd($this->getLimitDown());
return ($number->isLess($l1) || $number->isEqual($l1)) && ($number->isGreater($l2) || $number->isEqual($l2));
}
public function testComparisons()
{
$num = new Number(5);
$this->assertTrue($num->isPositive());
$this->assertFalse($num->isNegative());
$this->assertFalse($num->isZero());
$this->assertTrue($num->isGreater(4));
$this->assertFalse($num->isLess(4));
$this->assertTrue($num->isEqual(5));
$num->setValue(0);
$this->assertTrue($num->isZero());
$this->assertFalse($num->isPositive());
$this->assertFalse($num->isNegative());
}
