gmp_sqrtrem
(PHP 4 >= 4.0.4)
gmp_sqrtrem -- Square root with remainder
Description
array gmp_sqrtrem ( resource a)
Returns array where first element is the integer square
root of a (see also gmp_sqrt()), and the second is the remainder
(i.e., the difference between a and the first element squared).
Example 1. gmp_sqrtrem() example
<?php
list($sqrt1, $sqrt1rem) = gmp_sqrtrem("9");
list($sqrt2, $sqrt2rem) = gmp_sqrtrem("7");
list($sqrt3, $sqrt3rem) = gmp_sqrtrem("1048576");
echo gmp_strval($sqrt1) . ", " . gmp_strval($sqrt1rem)
. "\n";
echo gmp_strval($sqrt2) . ", " . gmp_strval($sqrt2rem)
. "\n";
echo gmp_strval($sqrt3) . ", " . gmp_strval($sqrt3rem)
. "\n";
?>
The printout of the above program will be:
3, 0
2, 3
1024, 0
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