gmp_legendre
PHP function
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(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)
Legendre symbol
Description
gmp_legendre(GMP|int|string $num1, GMP|int|string $num2): int
Compute the Legendre symbol of num1 and num2. num2 should be odd and must be positive.
Parameters
num1Parameter
num2Parameter
Should be odd and must be positive.
Return Values
Return
Examples
gmp_legendre() example
php
<?php
echo gmp_legendre("1", "3") . "\n";
echo gmp_legendre("2", "3") . "\n";
?>The above example will output:
output
1
0