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PATH: home / lab2454c / vaultchip.com / vendor / markbaker / complex / classes / src / functions

<?php

/**
 *
 * Function code for the complex pow() function
 *
 * @copyright  Copyright (c) 2013-2018 Mark Baker (https://github.com/MarkBaker/PHPComplex)
 * @license    https://opensource.org/licenses/MIT    MIT
 */
namespace Complex;

/**
 * Returns a complex number raised to a power.
 *
 * @param     Complex|mixed    $complex    Complex number or a numeric value.
 * @param     float|integer    $power      The power to raise this value to
 * @return    Complex          The complex argument raised to the real power.
 * @throws    Exception        If the power argument isn't a valid real
 */
if (!function_exists(__NAMESPACE__ . '\\pow')) {
    function pow($complex, $power): Complex
    {
        $complex = Complex::validateComplexArgument($complex);

if (!is_numeric($power)) {
            throw new Exception('Power argument must be a real number');
        }

if ($complex->getImaginary() == 0.0 && $complex->getReal() >= 0.0) {
            return new Complex(\pow($complex->getReal(), $power));
        }

$rValue = \sqrt(($complex->getReal() * $complex->getReal()) + ($complex->getImaginary() * $complex->getImaginary()));
        $rPower = \pow($rValue, $power);
        $theta = $complex->argument() * $power;
        if ($theta == 0) {
            return new Complex(1);
        }

return new Complex($rPower * \cos($theta), $rPower * \sin($theta), $complex->getSuffix());
    }
}

[-] log10.php [edit]
[-] acsc.php [edit]
[-] rho.php [edit]
[-] sinh.php [edit]
[-] conjugate.php [edit]
[-] atan.php [edit]
[-] asin.php [edit]
[-] acos.php [edit]
[-] negative.php [edit]
[-] asinh.php [edit]
[+] ..
[-] theta.php [edit]
[-] ln.php [edit]
[-] pow.php [edit]
[-] acot.php [edit]
[-] log2.php [edit]
[-] tan.php [edit]
[-] inverse.php [edit]
[-] sqrt.php [edit]
[-] atanh.php [edit]
[-] sec.php [edit]
[-] exp.php [edit]
[-] acosh.php [edit]
[-] tanh.php [edit]
[-] cosh.php [edit]
[-] coth.php [edit]
[-] sin.php [edit]
[-] csch.php [edit]
[-] acoth.php [edit]
[-] asec.php [edit]
[-] cot.php [edit]
[-] argument.php [edit]
[-] asech.php [edit]
[-] cos.php [edit]
[-] csc.php [edit]
[-] sech.php [edit]
[-] abs.php [edit]
[-] acsch.php [edit]