/**
* 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) {
$value = call_user_func(Math::$div, $value, $found, 25);
}
break;
case "+":
$value = call_user_func(Math::$add, $value, $found, 25);
break;
case "-":
$value = call_user_func(Math::$sub, $value, $found, 25);
break;
default:
$value = call_user_func(Math::$mul, $value, $found, 25);
break;
}
}
} else {
$value = call_user_func(Math::$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 "/":
$value = call_user_func(Math::$mul, $value, $found, 25);
break;
case "+":
$value = call_user_func(Math::$sub, $value, $found, 25);
break;
case "-":
$value = call_user_func(Math::$add, $value, $found, 25);
break;
default:
if ($found != 0) {
$value = call_user_func(Math::$div, $value, $found, 25);
}
break;
}
}
} else {
$value = call_user_func(Math::$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;
}
}
$this->_value = Math::round($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);
}
/**
* Rounds a number to its last significant figure
*
* @param integer|float|string $value the number to round
* @return float the rounded number
*/
protected function roundToPrecision($value)
{
$slength = strlen($value);
$length = 0;
for ($i = 1; $i <= $slength; ++$i) {
if ($value[$slength - $i] != '0') {
$length = 26 - $i;
break;
}
}
return Math::round($value, $length);
}
/**
* Returns a locale formatted number depending on the given options.
* The seperation and fraction sign is used from the set locale.
* ##0.# -> 12345.12345 -> 12345.12345
* ##0.00 -> 12345.12345 -> 12345.12
* ##,##0.00 -> 12345.12345 -> 12,345.12
*
* @param string $input Localized number string
* @param array $options Options: number_format, locale, precision. See {@link setOptions()} for details.
* @throws \Zend\Locale\Exception\InvalidArgumentException
* @return string locale formatted number
*/
public static function toNumber($value, array $options = array())
{
$value = Math::normalize($value);
$value = Math::floatalize($value);
$options = self::_checkOptions($options) + self::$_options;
$options['locale'] = (string) $options['locale'];
// Get correct signs for this locale
$symbols = Cldr::getList($options['locale'], 'symbols');
$oenc = iconv_get_encoding('internal_encoding');
iconv_set_encoding('internal_encoding', 'UTF-8');
// Get format
$format = $options['number_format'];
if ($format === null) {
$format = Cldr::getContent($options['locale'], 'decimalnumber');
$format = self::_seperateFormat($format, $value, $options['precision']);
if ($options['precision'] !== null) {
$value = Math::normalize(Math::round($value, $options['precision']));
}
} else {
// seperate negative format pattern when available
$format = self::_seperateFormat($format, $value, $options['precision']);
if (strpos($format, '.')) {
if (is_numeric($options['precision'])) {
$value = Math::round($value, $options['precision']);
} else {
if (substr($format, iconv_strpos($format, '.') + 1, 3) == '###') {
$options['precision'] = null;
} else {
$options['precision'] = iconv_strlen(iconv_substr($format, iconv_strpos($format, '.') + 1, iconv_strrpos($format, '0') - iconv_strpos($format, '.')));
$format = iconv_substr($format, 0, iconv_strpos($format, '.') + 1) . '###' . iconv_substr($format, iconv_strrpos($format, '0') + 1);
}
}
} else {
$value = Math::round($value, 0);
$options['precision'] = 0;
}
$value = Math::normalize($value);
}
if (iconv_strpos($format, '0') === false) {
iconv_set_encoding('internal_encoding', $oenc);
throw new Exception\InvalidArgumentException('Wrong format... missing 0');
}
// get number parts
$pos = iconv_strpos($value, '.');
if ($pos !== false) {
if ($options['precision'] === null) {
$precstr = iconv_substr($value, $pos + 1);
} else {
$precstr = iconv_substr($value, $pos + 1, $options['precision']);
if (iconv_strlen($precstr) < $options['precision']) {
$precstr = $precstr . str_pad("0", $options['precision'] - iconv_strlen($precstr), "0");
}
}
} else {
if ($options['precision'] > 0) {
$precstr = str_pad("0", $options['precision'], "0");
}
}
if ($options['precision'] === null) {
if (isset($precstr)) {
$options['precision'] = iconv_strlen($precstr);
} else {
$options['precision'] = 0;
}
}
// get fraction and format lengths
if (strpos($value, '.') !== false) {
$number = substr((string) $value, 0, strpos($value, '.'));
} else {
$number = $value;
}
$prec = call_user_func(Math::$sub, $value, $number, $options['precision']);
$prec = Math::floatalize($prec);
$prec = Math::normalize($prec);
if (iconv_strpos($prec, '-') !== false) {
$prec = iconv_substr($prec, 1);
}
if ($prec == 0 and $options['precision'] > 0) {
$prec = "0.0";
}
if ($options['precision'] + 2 > iconv_strlen($prec)) {
$prec = str_pad((string) $prec, $options['precision'] + 2, "0", STR_PAD_RIGHT);
}
if (iconv_strpos($number, '-') !== false) {
$number = iconv_substr($number, 1);
}
$group = iconv_strrpos($format, ',');
$group2 = iconv_strpos($format, ',');
$point = iconv_strpos($format, '0');
// Add fraction
$rest = "";
if (iconv_strpos($format, '.')) {
$rest = iconv_substr($format, iconv_strpos($format, '.') + 1);
$length = iconv_strlen($rest);
for ($x = 0; $x < $length; ++$x) {
if ($rest[0] == '0' || $rest[0] == '#') {
$rest = iconv_substr($rest, 1);
}
}
$format = iconv_substr($format, 0, iconv_strlen($format) - iconv_strlen($rest));
}
if ($options['precision'] == '0') {
if (iconv_strrpos($format, '-') != 0) {
$format = iconv_substr($format, 0, $point) . iconv_substr($format, iconv_strrpos($format, '#') + 2);
} else {
$format = iconv_substr($format, 0, $point);
}
} else {
$format = iconv_substr($format, 0, $point) . $symbols['decimal'] . iconv_substr($prec, 2);
}
$format .= $rest;
// Add seperation
if ($group == 0) {
// no seperation
$format = $number . iconv_substr($format, $point);
} else {
if ($group == $group2) {
// only 1 seperation
$seperation = $point - $group;
for ($x = iconv_strlen($number); $x > $seperation; $x -= $seperation) {
if (iconv_substr($number, 0, $x - $seperation) !== "") {
$number = iconv_substr($number, 0, $x - $seperation) . $symbols['group'] . iconv_substr($number, $x - $seperation);
}
}
$format = iconv_substr($format, 0, iconv_strpos($format, '#')) . $number . iconv_substr($format, $point);
} else {
// 2 seperations
if (iconv_strlen($number) > $point - $group) {
$seperation = $point - $group;
$number = iconv_substr($number, 0, iconv_strlen($number) - $seperation) . $symbols['group'] . iconv_substr($number, iconv_strlen($number) - $seperation);
if (iconv_strlen($number) - 1 > $point - $group + 1) {
$seperation2 = $group - $group2 - 1;
for ($x = iconv_strlen($number) - $seperation2 - 2; $x > $seperation2; $x -= $seperation2) {
$number = iconv_substr($number, 0, $x - $seperation2) . $symbols['group'] . iconv_substr($number, $x - $seperation2);
}
}
}
$format = iconv_substr($format, 0, iconv_strpos($format, '#')) . $number . iconv_substr($format, $point);
}
}
// set negative sign
if (call_user_func(Math::$comp, $value, 0, $options['precision']) < 0) {
if (iconv_strpos($format, '-') === false) {
$format = $symbols['minus'] . $format;
} else {
$format = str_replace('-', $symbols['minus'], $format);
}
}
iconv_set_encoding('internal_encoding', $oenc);
return (string) $format;
}