您的位置:寻梦网首页编程乐园PHP 编程PHP5中文手册
PHP5中文手册

gmp_jacobi

(PHP 4 >= 4.0.4, PHP 5)

gmp_jacobi — Jacobi symbol

说明

int gmp_jacobi ( resource $a , resource $p )

Computes » Jacobi symbol of a and p . p should be odd and must be positive.

参数

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.

返回值

A GMP number resource.

范例

Example#1 gmp_jacobi() example

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

上例将输出:

1
0