略微加速

PHP官方手册 - 互联网笔记

PHP - Manual: gmp_sqrtrem

2024-12-23

gmp_sqrtrem

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

gmp_sqrtremSquare root with remainder

说明

gmp_sqrtrem(GMP|int|string $num): array

Calculate the square root of a number, with remainder.

参数

num

The number being square rooted.

GMP 对象或 int ,或数字string

返回值

Returns array where first element is the integer square root of num and the second is the remainder (i.e., the difference between num and the first element squared).

范例

示例 #1 gmp_sqrtrem() example

<?php
list($sqrt1$sqrt1rem) = gmp_sqrtrem("9");
list(
$sqrt2$sqrt2rem) = gmp_sqrtrem("7");
list(
$sqrt3$sqrt3rem) = gmp_sqrtrem("1048576");

echo 
gmp_strval($sqrt1) . ", " gmp_strval($sqrt1rem) . "\n";
echo 
gmp_strval($sqrt2) . ", " gmp_strval($sqrt2rem) . "\n";
echo 
gmp_strval($sqrt3) . ", " gmp_strval($sqrt3rem) . "\n";
?>

以上例程会输出:

3, 0
2, 3
1024, 0
add a noteadd a note

User Contributed Notes

There are no user contributed notes for this page.

官方地址:https://www.php.net/manual/en/function.gmp-sqrtrem.php

北京半月雨文化科技有限公司.版权所有 京ICP备12026184号-3