/**
* @param Number|integer $number
* @return self
*/
public function sub($number)
{
if (!$number instanceof Number) {
$number = new Number($number);
}
$real_value = new Number($this->getRealValue());
$this->setValue($real_value->bcsub($number)->getValue());
return $this;
}
public function testMath()
{
$num = new Number(5);
$num->bcadd(5);
$this->assertEquals(10, $num->getValue());
$num->bcdiv(2);
$this->assertEquals(5, $num->getValue());
$num->bcmul(3);
$this->assertEquals(15, $num->getValue());
$num->bcsub(3);
$this->assertEquals(12, $num->getValue());
$num->bcadd(3)->bcsub(10);
$this->assertEquals(5, $num->getValue());
}
public function testPercentageIntegrations()
{
$percent = new \ebussola\common\datatype\number\Percentage(15);
$number = new \ebussola\common\datatype\Number(500);
$this->assertEquals('575,00', (string) $number->bcadd($percent));
$percent = new \ebussola\common\datatype\number\Percentage(15);
$number = new \ebussola\common\datatype\Number(500);
$this->assertEquals('425,00', (string) $number->bcsub($percent));
$percent = new \ebussola\common\datatype\number\Percentage(15);
$number = new \ebussola\common\datatype\Number(500);
$this->assertEquals('37.500,00', (string) $number->bcmul($percent));
$percent = new \ebussola\common\datatype\number\Percentage(15);
$number = new \ebussola\common\datatype\Number(500);
$this->assertEquals('6,67', (string) $number->bcdiv($percent));
}
