gmp_div_qr
(PHP 4 >= 4.0.4, PHP 5)
gmp_div_qr — Divide numbers and get quotient and remainder
说明
array gmp_div_qr ( resource $n , resource $d [, int $round = GMP_ROUND_ZERO ] )The function divides n by d.
参数
- n
-
The number being divided.
可以是一个 GMP 数据 resouce,或一个可以转换为数值的字符串。
- d
-
The number that n is being divided by.
可以是一个 GMP 数据 resouce,或一个可以转换为数值的字符串。
- round
-
See the gmp_div_q() function for description of the round argument.
返回值
Returns an array, with the first element being [n/d] (the integer result of the division) and the second being (n - [n/d] * d) (the remainder of the division).
范例
Example #1 Division of GMP numbers
<?php
$a = gmp_init("0x41682179fbf5");
$res = gmp_div_qr($a, "0xDEFE75");
printf("Result is: q - %s, r - %s",
gmp_strval($res[0]), gmp_strval($res[1]));
?>
参见
- gmp_div_q() - Divide numbers
- gmp_div_r() - Remainder of the division of numbers