= 4.0.4, PHP 5, PHP 7, PHP 8)gmp_jacobi — Jacobi symbol說(shuō)明gmp_jacobi(GMP|int|string $num1, GMP|int|string $num2): intComputes ? Jacob">

gmp_jacobi

(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)

gmp_jacobiJacobi symbol

說(shuō)明

gmp_jacobi(GMP|int|string $num1, GMP|int|string $num2): int

Computes ? Jacobi symbol of num1 and num2. num2 should be odd and must be positive.

參數(shù)

num1

GMP 對(duì)象或 int ,或數(shù)字string

num2

GMP 對(duì)象或 int ,或數(shù)字string。

Should be odd and must be positive.

返回值

GMP 對(duì)象。

范例

示例 #1 gmp_jacobi() example

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

以上例程會(huì)輸出:

1
0

參見(jiàn)