
	downloads \| documentation \| faq \| getting help \| mailing lists \| reporting bugs \| php.net sites \| links \| my php.net

search for in the

gmp_popcount	gmp_powm

	Last updated: Sat, 20 Oct 2007

gmp_pow

(PHP 4 >= 4.0.4, PHP 5)

gmp_pow -- Raise number into power

Description

resource gmp_pow ( resource base, int exp )

Raise base into power exp. The case of 0^0 yields 1. exp cannot be negative.

例子 1. gmp_pow() example


<?php

$pow1 = gmp_pow("2", 31);

echo gmp_strval($pow1) . "\n";

$pow2 = gmp_pow("0", 0);

echo gmp_strval($pow2) . "\n";

$pow3 = gmp_pow("2", -1); // Negative exp, generates warning

echo gmp_strval($pow3) . "\n";

?>

The printout of the above program will be:

2147483648
1

gmp_popcount	gmp_powm

	Last updated: Sat, 20 Oct 2007

This unofficial mirror is operated at: http://manual.phpv.net/
Last updated: Thu Jul 7 19:13:47 2005 CST