public function testEqualNumbers()
 {
     $x = new \MyOddWeb\BigNumber(-3);
     $y = new \MyOddWeb\BigNumber(-3);
     $this->assertTrue($x->IsEqual($y));
     $x = new \MyOddWeb\BigNumber(-3.1234);
     $y = new \MyOddWeb\BigNumber(-3.1234);
     $this->assertTrue($x->IsEqual($y));
     $x = new \MyOddWeb\BigNumber(3);
     $y = new \MyOddWeb\BigNumber(3);
     $this->assertTrue($x->IsEqual($y));
     $x = new \MyOddWeb\BigNumber(3);
     $y = new \MyOddWeb\BigNumber(-3);
     $this->assertFalse($x->IsEqual($y));
     $x = new \MyOddWeb\BigNumber(30);
     $y = new \MyOddWeb\BigNumber(3);
     $this->assertFalse($x->IsEqual($y));
     $x = new \MyOddWeb\BigNumber(3.1234);
     $y = new \MyOddWeb\BigNumber(3.12345);
     $this->assertFalse($x->IsEqual($y));
 }