/**
* @dataProvider getAdapters
*/
public function testStrictIntegerReturnValues(MathAdapterInterface $math)
{
$x = 10;
$y = 4;
$mod = $math->mod($x, $y);
$this->assertTrue(is_string($mod) && !is_resource($mod));
$add = $math->add($x, $y);
$this->assertTrue(is_string($add) && !is_resource($add));
$sub = $math->sub($add, $y);
$this->assertTrue(is_string($sub) && !is_resource($sub));
$mul = $math->mul($x, $y);
$this->assertTrue(is_string($mul) && !is_resource($mul));
$div = $math->div($mul, $y);
$this->assertTrue(is_string($div) && !is_resource($div));
$pow = $math->pow($x, $y);
$this->assertTrue(is_string($pow) && !is_resource($div));
$powmod = $math->powmod($x, $y, $y);
$this->assertTrue(is_string($powmod) && !is_resource($powmod));
$bitwiseand = $math->bitwiseAnd($x, $y);
$this->assertTrue(is_string($bitwiseand) && !is_resource($bitwiseand));
$hexdec = $math->decHex($x);
$this->assertTrue(is_string($hexdec) && !is_resource($hexdec));
$dechex = $math->hexDec($hexdec);
$this->assertTrue(is_string($dechex) && !is_resource($dechex));
}
/**
* @param $a
* @param $b
* @param $cond
*/
public function cswapValue(&$a, &$b, $cond)
{
$size = max(strlen($this->adapter->baseConvert($a, 10, 2)), strlen($this->adapter->baseConvert($b, 10, 2)));
$mask = 1 - intval($cond);
$mask = str_pad('', $size, $mask, STR_PAD_LEFT);
$mask = $this->adapter->baseConvert($mask, 2, 10);
$tA = $this->adapter->bitwiseAnd($a, $mask);
$tB = $this->adapter->bitwiseAnd($b, $mask);
$a = $this->adapter->bitwiseXor($this->adapter->bitwiseXor($a, $b), $tB);
$b = $this->adapter->bitwiseXor($this->adapter->bitwiseXor($a, $b), $tA);
$a = $this->adapter->bitwiseXor($this->adapter->bitwiseXor($a, $b), $tB);
}
