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Last updated: Sat, 27 Jan 2007

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# gmp_neg

(PHP 4 >= 4.0.4, PHP 5)

gmp_neg -- Negate number

## Description

resource gmp_neg ( resource a )

Returns -`a`.

Пример 1. gmp_neg() example

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

The printout of the above program will be:

    -1
    1

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gmp_nextprime gmp_mul

Last updated: Sat, 27 Jan 2007
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