Maths.php

Go to the documentation of this file.

<?php
function hypo($a, $b) {
        if (abs($a) > abs($b)) {
                $r = $b / $a;
                $r = abs($a) * sqrt(1 + $r * $r);
        } elseif ($b != 0) {
                $r = $a / $b;
                $r = abs($b) * sqrt(1 + $r * $r);
        } else {
                $r = 0.0;
        }
        return $r;
}       //      function hypo()