/**
* Set a new type, and convert the value
*
* @param string $type New type to set
* @throws Zend\Measure\Exception
* @return Zend\Measure\AbstractMeasure
*/
public function setType($type)
{
if (empty($this->_units[$type])) {
throw new Exception("Type ({$type}) is unknown");
}
if (empty($this->_type)) {
$this->_type = $type;
} else {
// Convert to standard value
$value = $this->_value;
if (is_array($this->_units[$this->getType()][0])) {
foreach ($this->_units[$this->getType()][0] as $key => $found) {
switch ($key) {
case "/":
if ($found != 0) {
$value = call_user_func(Math\Math::$div, $value, $found, 25);
}
break;
case "+":
$value = call_user_func(Math\Math::$add, $value, $found, 25);
break;
case "-":
$value = call_user_func(Math\Math::$sub, $value, $found, 25);
break;
default:
$value = call_user_func(Math\Math::$mul, $value, $found, 25);
break;
}
}
} else {
$value = call_user_func(Math\Math::$mul, $value, $this->_units[$this->getType()][0], 25);
}
// Convert to expected value
if (is_array($this->_units[$type][0])) {
foreach (array_reverse($this->_units[$type][0]) as $key => $found) {
switch ($key) {
case "/":
$value = call_user_func(Math\Math::$mul, $value, $found, 25);
break;
case "+":
$value = call_user_func(Math\Math::$sub, $value, $found, 25);
break;
case "-":
$value = call_user_func(Math\Math::$add, $value, $found, 25);
break;
default:
if ($found != 0) {
$value = call_user_func(Math\Math::$div, $value, $found, 25);
}
break;
}
}
} else {
$value = call_user_func(Math\Math::$div, $value, $this->_units[$type][0], 25);
}
$slength = strlen($value);
$length = 0;
for ($i = 1; $i <= $slength; ++$i) {
if ($value[$slength - $i] != '0') {
$length = 26 - $i;
break;
}
}
$this->_value = Math\Math::round($value, $length);
$this->_type = $type;
}
return $this;
}
public function testNegativeRounding()
{
$this->assertEquals('-3', Math::round('-3.4'));
$this->assertEquals(round(-3.4), Math::round('-3.4'));
$this->assertEquals('-4', Math::round('-3.5'));
$this->assertEquals(round(-3.5), Math::round('-3.5'));
$this->assertEquals('-4', Math::round('-3.6'));
$this->assertEquals(round(-3.6), Math::round('-3.6'));
$this->assertEquals('-4', Math::round('-3.6', 0));
$this->assertEquals(round(-3.6, 0), Math::round('-3.6', 0));
$this->assertEquals('-1.96', Math::round('-1.95583', 2), '', 0.02);
$this->assertEquals(round(-1.95583, 2), Math::round('-1.95583', 2), '', 0.02);
$this->assertEquals(-1242000, Math::round('-1241757', -3), '', 250);
$this->assertEquals(round(-1241757, -3), Math::round('-1241757', -3), '', 250);
$this->assertEquals(-5.05, Math::round('-5.045', 2), '', 0.02);
$this->assertEquals(round(-5.045, 2), Math::round('-5.045', 2), '', 0.02);
$this->assertEquals(-5.06, Math::round('-5.055', 2), '', 0.02);
$this->assertEquals(round(-5.055, 2), Math::round('-5.055', 2), '', 0.02);
}