Delicious Bookmark this on Delicious Share on Facebook SlashdotSlashdot It! Digg! Digg



PHP : Function Reference : GMP Functions : gmp_popcount

gmp_popcount

Population count (PHP 4 >= 4.0.4, PHP 5)
int gmp_popcount ( resource a )

Example 805. 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";
?>

The above example will output:

3
7

Change Language


Follow Navioo On Twitter
gmp_abs
gmp_add
gmp_and
gmp_clrbit
gmp_cmp
gmp_com
gmp_div_q
gmp_div_qr
gmp_div_r
gmp_div
gmp_divexact
gmp_fact
gmp_gcd
gmp_gcdext
gmp_hamdist
gmp_init
gmp_intval
gmp_invert
gmp_jacobi
gmp_legendre
gmp_mod
gmp_mul
gmp_neg
gmp_nextprime
gmp_or
gmp_perfect_square
gmp_popcount
gmp_pow
gmp_powm
gmp_prob_prime
gmp_random
gmp_scan0
gmp_scan1
gmp_setbit
gmp_sign
gmp_sqrt
gmp_sqrtrem
gmp_strval
gmp_sub
gmp_testbit
gmp_xor
eXTReMe Tracker