visualizer / vendor / phpoffice / phpspreadsheet / src / PhpSpreadsheet / Shared / JAMA / utils / Maths.php

Maths.php in Visualizer – Tables & Charts Manager with Built-in AI Generator 3.10.5, at vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/utils/Maths.php

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1	<?php
2	/**
3	* Pythagorean Theorem:.
4	*
5	* a = 3
6	* b = 4
7	* r = sqrt(square(a) + square(b))
8	* r = 5
9	*
10	* r = sqrt(a^2 + b^2) without under/overflow.
11	*
12	* @param mixed $a
13	* @param mixed $b
14	*
15	* @return float
16	*/
17	function hypo($a, $b)
18	{
19	if (abs($a) > abs($b)) {
20	$r = $b / $a;
21	$r = abs($a) * sqrt(1 + $r * $r);
22	} elseif ($b != 0) {
23	$r = $a / $b;
24	$r = abs($b) * sqrt(1 + $r * $r);
25	} else {
26	$r = 0.0;
27	}
28
29	return $r;
30	}
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