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PHP

Legendre symbol


gmp_legendre

(PHP 4 >= 4.0.4, PHP 5)

gmp_legendreLegendre symbol

Description

int gmp_legendre ( resource $a , resource $p )

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

Parameters

a

It can be either a GMP number resource, or a numeric string given that it is possible to convert the latter to a number.

p

It can be either a GMP number resource, or a numeric string given that it is possible to convert the latter to a number.

Should be odd and must be positive.

Return Values

A GMP number resource.

Examples

Example #1 gmp_legendre() example

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

The above example will output:

 1 0 



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