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";
?>
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The printout of the above program will be:
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