ꦫꦣꦺꦤ꧀ꦄꦤ꧀ꦠꦱꦺꦤ

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

<?php

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

/**
 * Returns the theta of a complex number.
 *   This is the angle in radians from the real axis to the representation of the number in polar coordinates.
 *
 * @param     Complex|mixed    $complex    Complex number or a numeric value.
 * @return    float            The theta value of the complex argument.
 * @throws    Exception        If argument isn't a valid real or complex number.
 */
if (!function_exists(__NAMESPACE__ . '\\theta')) {
    function theta($complex): float
    {
        $complex = Complex::validateComplexArgument($complex);

if ($complex->getReal() == 0.0) {
            if ($complex->isReal()) {
                return 0.0;
            } elseif ($complex->getImaginary() < 0.0) {
                return M_PI / -2;
            }
            return M_PI / 2;
        } elseif ($complex->getReal() > 0.0) {
            return \atan($complex->getImaginary() / $complex->getReal());
        } elseif ($complex->getImaginary() < 0.0) {
            return -(M_PI - \atan(\abs($complex->getImaginary()) / \abs($complex->getReal())));
        }

return M_PI - \atan($complex->getImaginary() / \abs($complex->getReal()));
    }
}

[-] 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]