gmp_gcd
(PHP 4 >= 4.0.4, PHP 5)
gmp_gcd -- Calculate GCD
Description
resource
gmp_gcd
( resource a, resource b )
Calculate greatest common divisor of
a
and
b
. The result is always positive even if
either of, or both, input operands are negative.
例子 1.
gmp_gcd()
example
<?php
$gcd
=
gmp_gcd
(
"12"
,
"21"
);
echo
gmp_strval
(
$gcd
) .
"\n"
;
?>
|
The printout of the above program will be:
|