PHP. Руководство по PHP. 2005

gmp_sqrt

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gmp_sqrt

(PHP 4>= 4.0.4, PHP 5)gmp_sqrt -- Calculate square root

Description

resource gmp_sqrt (resource a)

Calculates square root of a and returns the integer portion of the result.

Пример 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";
?>

The printout of the above program will be:

1234567890

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