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PHP: gmp_sqrt - Manual
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gmp_sqrtrem" width="11" height="7"/> <gmp_sign
Last updated: Mon, 05 Feb 2007

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gmp_sqrt

(PHP 4 >= 4.0.4, PHP 5)

gmp_sqrt — 平方根を計算する

説明

resource gmp_sqrt ( resource a )

a の平方根を計算し、 結果の整数部分を返します。

例 758. gmp_sqrt() の例

<?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";
?>

上のプログラムの出力は以下のようになります。


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gmp_sqrtrem" width="11" height="7"/> <gmp_sign
Last updated: Mon, 05 Feb 2007
 
 
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