PHP 5.4.31 Released

gmp_sqrtrem

(PHP 4 >= 4.0.4, PHP 5)

gmp_sqrtremSquare root with remainder

说明

array gmp_sqrtrem ( GMP $a )

Calculate the square root of a number, with remainder.

参数

a

The number being square rooted.

可以是一个 GMP 数据 resouce,或一个可以转换为数值的字符串。

返回值

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

范例

Example #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 note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top