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gmp_neg

(PHP 4 >= 4.0.4, PHP 5)

gmp_neg — Negate number

resource gmp_neg ( resource $a )

Returns the negative value of a number.

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.

Returns -a , as a GMP number.

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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Last updated: Tue Nov 1 20:20:59 2005 EST