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Rechercher une fonction PHP

gmp_legendre

Contents

(PHP 4 >= 4.0.4, PHP 5, PHP 7)

gmp_legendre — Legendre symbol

Description

gmp_legendre ( GMP $a , GMP $p ) : int

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

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Parameters

a

Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number.

p

Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number.

Should be odd and must be positive.

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Return Values

A GMP number resource in PHP 5.5 and earlier, or a GMP object in PHP 5.6 and later.

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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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Document created the 30/01/2003, last modified the 26/10/2018
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References

  1. View the html document Language of the document:fr Manuel PHP : http://php.net

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