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    gmp_jacobi

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

    gmp_jacobi — Jacobi symbol

    说明

    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.

    参数

    num1

    GMP 对象或 int ，或数字string。

    num2

    GMP 对象或 int ，或数字string。

    Should be odd and must be positive.

    返回值

    GMP 对象。

    示例

    示例 #1 gmp_jacobi() example

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

    以上示例会输出：

    1
0

    参见

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