PHP 매뉴얼
이전		다음

gmp_sign

(PHP 4 >= 4.0.4, PHP 5)

gmp_sign -- Sign of number

Description

int gmp_sign ( resource a)

Returns 1 if a is positive, -1 if a is negative, and 0 if a is zero.

예 1. gmp_sign() example


<?php
// positive
echo gmp_sign("500") . "\n";

// negative
echo gmp_sign("-500") . "\n";

// zero
echo gmp_sign("0") . "\n";
?>

The printout of the above program will be:

1
-1
0

이전	처음으로	다음
gmp_setbit	위로	gmp_sqrt

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