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gmp_mod> <gmp_jacobi
[edit] Last updated: Fri, 17 May 2013

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gmp_legendre

(PHP 4 >= 4.0.4, PHP 5)

gmp_legendreLegendre symbol

说明

int gmp_legendre ( resource $a , resource $p )

Compute the »  Legendre symbol of a and p. p should be odd and must be positive.

参数

a

可以是一个 GMP 数据 resouce,或一个可以转换为数值的字符串。

p

可以是一个 GMP 数据 resouce,或一个可以转换为数值的字符串。

Should be odd and must be positive.

返回值

GMP 数值资源.

范例

Example #1 gmp_legendre() example

<?php
echo gmp_legendre("1""3") . "\n";
echo 
gmp_legendre("2""3") . "\n";
?>

以上例程会输出:

1
0



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