gmp_hamdist

gmp_hamdist

Hamming distance

int **gmp_hamdist**  $num1  $num2

Returns the hamming distance between and . Both operands should be non-negative. num1``num2

num1It should be positive.

num2It should be positive.

The hamming distance between and , as an . num1``num2``int

Voorbeeld: example

<?php
$ham1 = gmp_init("1001010011", 2);
$ham2 = gmp_init("1011111100", 2);
echo gmp_hamdist($ham1, $ham2) . "\n";

/* hamdist is equivalent to: */
echo gmp_popcount(gmp_xor($ham1, $ham2)) . "\n";
?>

6
6

gmp_popcount``gmp_xor