gmp_neg

(PHP 4 >= 4.0.4, PHP 5)

gmp_neg — Negate number

Description

resource gmp_neg ( resource $a )

Returns the negative value of a number.

Parameters

a

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

Return Values

Returns -a , as a GMP number.

Examples

Example #1 gmp_neg() example

<?php
$neg1 = gmp_neg("1");
echo gmp_strval($neg1) . "\n";
$neg2 = gmp_neg("-1");
echo gmp_strval($neg2) . "\n";
?>

The above example will output:

-1
1

    

 

 
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