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gmp_jacobi
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
gmp_jacobi — Jacobi symbol
Description
Computes
» Jacobi symbol of a
and
p
. p
should be odd
and must be positive.
Parameters
-
a
-
Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number.
-
p
-
Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number.
Should be odd and must be positive.
Examples
Example #1 gmp_jacobi() example
<?php
echo gmp_jacobi("1", "3") . "\n";
echo gmp_jacobi("2", "3") . "\n";
?>
The above example will output:
1 0
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Steph