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vichan/inc/functions/num.php
2024-04-30 15:56:59 +02:00

34 lines
591 B
PHP

<?php
namespace Vichan\Functions\Num;
// Highest common factor
function hcf($a, $b){
$gcd = 1;
if ($a > $b) {
$a = $a+$b;
$b = $a-$b;
$a = $a-$b;
}
if ($b == (round($b / $a)) * $a) {
$gcd = $a;
} else {
for ($i = round($a / 2); $i; $i--) {
if ($a == round($a / $i) * $i && $b == round($b / $i) * $i) {
$gcd = $i;
$i = false;
}
}
}
return $gcd;
}
function fraction($numerator, $denominator, $sep) {
$gcf = hcf($numerator, $denominator);
$numerator = $numerator / $gcf;
$denominator = $denominator / $gcf;
return "{$numerator}{$sep}{$denominator}";
}