/** @return Restriction */
function fixRightSide()
{
if ($this->limit->isLowerThan(0)) {
$set = array();
foreach ($this->set as $var => $coeff) {
$set[$var] = $coeff->multiply(-1);
}
$type = $this->type === self::TYPE_EQ ? $this->type : ($this->type === self::TYPE_GOE ? self::TYPE_LOE : self::TYPE_GOE);
$this->limit = $this->limit->multiply(-1);
} else {
$set = $this->set;
$type = $this->type;
}
$this->set = $set;
$this->type = $type;
return $this;
}
$sum->reduce();
$sum->show();
}
public static function multiply(Fraction $a, Fraction $b)
{
$num = $a->numerator * $b->numerator;
$den = $a->denominator * $b->denominator;
$sum = new Fraction($num, $den);
$sum->reduce();
$sum->show();
}
public static function divide(Fraction $a, Fraction $b)
{
$num = $a->numerator * $b->denominator;
$den = $a->denominator * $b->numerator;
$sum = new Fraction($num, $den);
$sum->reduce();
$sum->show();
}
}
$a = new Fraction(2, 4);
$b = new Fraction(3, 5);
Fraction::sum($a, $b);
Fraction::subtract($a, $b);
Fraction::multiply($a, $b);
Fraction::divide($a, $b);
$c = new Fraction(46463132, 49649492);
$c->show();
$c->reduce();
$c->show();
$c->decimal_fraction();
