<?php
function isEqual($a, $b, $epsilon = 1e-10) {
$a = floatval($a);
$b = floatval($b);
/*if ( $a == $b ) // handles infinites
return true;*/
if ( $a * $b == 0 ) // a or b or both are zero
return abs($a - $b) < ( $epsilon * $epsilon );
return (abs($a - $b) / (abs($a) + abs($b))) < $epsilon;
}
for ( $i = 0; $i < 10000; $i++ )
isEqual(0.000001, 0.000001);
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
preferences:
207.53 ms | 406 KiB | 356 Q