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gmp_pow> <gmp_perfect_square
Last updated: Fri, 22 Aug 2008

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gmp_popcount

(PHP 4 >= 4.0.4, PHP 5)

gmp_popcountCalcula la población de un número

Descripción

int gmp_popcount ( resource $a )

Devuelve la "población" de a .

Example #1 Ejemplo de gmp_popcount()

<?php
$pob1 
gmp_init("10000101"2); // 3 unos
echo gmp_popcount($pob1) . "\n";
$pob2 gmp_init("11111110"2); // 7 unos
echo gmp_popcount($pob2) . "\n";
?>

La salida del anterior programa es:

3
7


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gmp_pow> <gmp_perfect_square
Last updated: Fri, 22 Aug 2008
 
 
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