Using gmp_intval() to get gmp_gcd() int result (fix for Travis)

.travis.yml

@@ -15,4 +15,4 @@ before_script:
   - composer self-update
   - composer install --dev
 
-script: phpunit
+script: phpunit

src/GCD.php

@@ -28,7 +28,7 @@ public static function getGCD($numberA, $numberB)
         }
 
         if (function_exists("gmp_gcd")) {
-            return gmp_gcd($numberA, $numberB);
+            return gmp_intval(gmp_gcd($numberA, $numberB));
         }
 
         if ($numberA == 0 || $numberB == 0) {

src/Number.php

@@ -81,7 +81,7 @@ protected function computeDividend($askedDividend, $askedDivisor, Number $number
 
     protected function simplify()
     {
-        if (1 < $gcd = (int) GCD::getGCD($this->dividend, $this->divisor)) {
+        if (1 < $gcd = GCD::getGCD($this->dividend, $this->divisor)) {
             $this->dividend /= $gcd;
             $this->divisor /= $gcd;
         }

tests/Lovenunu/Math/NumberTest.php

@@ -18,6 +18,14 @@
  */
 class NumberTest extends PHPUnit_Framework_TestCase
 {
+    public function testMult()
+    {
+        $numberA = new Number('1');
+        $numberB = $numberA->multiply('1.2393');
+
+        $this->assertEquals(1.2393, $numberB->getNumber(-1));
+    }
+
     public function testNumberAdd()
     {
         $numberA = new Number('1.99');