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gmp_pow> <gmp_perfect_square
Last updated: Fri, 06 Nov 2009

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gmp_popcount

(PHP 4 >= 4.0.4, PHP 5)

gmp_popcountPopulation count

Descrierea

int gmp_popcount ( resource $a )

Get the population count.

Parametri

a

Aceasta poate fi sau o resursă număr GMP, sau un şir de caractere numeric, dacă este posibilă convertirea acestuia într-un număr.

Valorile întroarse

The population count of a , as an integer.

Exemple

Example #1 gmp_popcount() example

<?php
$pop1 
gmp_init("10000101"2); // 3 1's
echo gmp_popcount($pop1) . "\n";
$pop2 gmp_init("11111110"2); // 7 1's
echo gmp_popcount($pop2) . "\n";
?>

Exemplul de mai sus va afişa:

3
7



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gmp_pow> <gmp_perfect_square
Last updated: Fri, 06 Nov 2009
 
 
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