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gmp_sqrtrem> <gmp_sign
[edit] Last updated: Fri, 18 Sep 2009

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gmp_sqrt

(PHP 4 >= 4.0.4, PHP 5)

gmp_sqrtCalculate square root

Описание

resource gmp_sqrt ( resource $a )

Calculates square root of a .

Параметри

a

Може да бъде или ресурс на GMP число, или числов низ, който може да бъде преобразуван в число.

Връщани стойности

The integer portion of the square root, as a GMP number.

Примери

Example #1 gmp_sqrt() example

<?php
$sqrt1 
gmp_sqrt("9");
$sqrt2 gmp_sqrt("7");
$sqrt3 gmp_sqrt("1524157875019052100");

echo 
gmp_strval($sqrt1) . "\n";
echo 
gmp_strval($sqrt2) . "\n";
echo 
gmp_strval($sqrt3) . "\n";
?>

Примерът по-горе ще изведе:

3
2
1234567890



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