7429a98174
git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@85691 2327b42d-5241-43d6-9e2a-de5ac946f064
71 lines
1.7 KiB
PHP
71 lines
1.7 KiB
PHP
<?php
|
|
|
|
class Complex {
|
|
|
|
private $realPart = 0;
|
|
private $imaginaryPart = 0;
|
|
private $suffix = 'i';
|
|
|
|
public static function _parseComplex($complexNumber) {
|
|
$complexNumber = (string) $complexNumber;
|
|
|
|
$validComplex = preg_match('/^([-+]?(\d+\.?\d*|\d*\.?\d+)([Ee][-+]?[0-2]?\d{1,2})?)([-+]?(\d+\.?\d*|\d*\.?\d+)([Ee][-+]?[0-2]?\d{1,2})?)?(([-+]?)([ij]?))$/ui',$complexNumber,$complexParts);
|
|
|
|
if (!$validComplex) {
|
|
return array( $complexNumber, 0, '' );
|
|
}
|
|
|
|
if (($complexParts[4] === '') && ($complexParts[9] !== '')) {
|
|
$complexParts[4] = $complexParts[8] . 1;
|
|
}
|
|
|
|
return array( (float) $complexParts[1],
|
|
(float) $complexParts[4],
|
|
$complexParts[9]
|
|
);
|
|
} // function _parseComplex()
|
|
|
|
|
|
public function __construct($realPart, $imaginaryPart = null, $suffix = null)
|
|
{
|
|
if ($imaginaryPart === null) {
|
|
if (is_array($realPart)) {
|
|
list ($realPart, $imaginaryPart, $suffix) = $realPart;
|
|
} elseif((is_string($realPart)) || (is_numeric($realPart))) {
|
|
list ($realPart, $imaginaryPart, $suffix) = self::_parseComplex($realPart);
|
|
}
|
|
}
|
|
|
|
$this->realPart = $realPart;
|
|
$this->imaginaryPart = $imaginaryPart;
|
|
$this->suffix = strtolower($suffix);
|
|
}
|
|
|
|
public function getReal()
|
|
{
|
|
return $this->realPart;
|
|
}
|
|
|
|
public function getImaginary()
|
|
{
|
|
return $this->imaginaryPart;
|
|
}
|
|
|
|
public function getSuffix()
|
|
{
|
|
return $this->suffix;
|
|
}
|
|
|
|
public function __toString() {
|
|
$str = "";
|
|
if ($this->imaginaryPart != 0.0) $str .= $this->imaginaryPart . $this->suffix;
|
|
if ($this->realPart != 0.0) {
|
|
if ($str) $str = "+" . $str;
|
|
$str = $this->realPart . $str;
|
|
}
|
|
if (!$str) $str = "0";
|
|
return $str;
|
|
}
|
|
|
|
}
|