PHP5中文手册·Exact division of numbers -- 追寻梦想＞编程乐园＞PHP 编程

说明

resource gmp_divexact ( resource $n , resource $d )

Divides n by d , using fast "exact division" algorithm. This function produces correct results only when it is known in advance that d divides n .

参数

n

The number being divided.

It can be either a GMP number resource, or a numeric string given that it is possible to convert the latter to a number.

d

The number that a is being divided by.

It can be either a GMP number resource, or a numeric string given that it is possible to convert the latter to a number.

返回值

A GMP number resource.

范例

Example#1 gmp_divexact() example


<?php
$div1 = gmp_divexact("10", "2");
echo gmp_strval($div1) . "\n";

$div2 = gmp_divexact("10", "3"); // bogus result
echo gmp_strval($div2) . "\n";
?>

上例将输出：

5
2863311534


	PHP5中文手册 gmp_div gmp_fact GMP PHP Manual gmp_divexact (PHP 4 >= 4.0.4, PHP 5) gmp_divexact — Exact division of numbers 说明 resource gmp_divexact ( resource `$n` , resource `$d` ) Divides `n` by `d` , using fast "exact division" algorithm. This function produces correct results only when it is known in advance that `d` divides `n` . 参数 `n` The number being divided. It can be either a GMP number resource, or a numeric string given that it is possible to convert the latter to a number. `d` The number that `a` is being divided by. It can be either a GMP number resource, or a numeric string given that it is possible to convert the latter to a number. 返回值 A GMP number resource. 范例 Example#1 gmp_divexact() example `<?php $div1 = gmp_divexact("10", "2"); echo gmp_strval($div1) . "\n"; $div2 = gmp_divexact("10", "3"); // bogus result echo gmp_strval($div2) . "\n"; ?>` 上例将输出： 5 2863311534 gmp_div gmp_fact GMP PHP Manual