GMP_SQRTREM(3) 1 GMP_SQRTREM(3)
gmp_sqrtrem - Square root with remainder
SYNOPSIS
array gmp_sqrtrem (GMP $a)
DESCRIPTION
Calculate the square root of a number, with remainder.
PARAMETERS
o $a
- The number being square rooted. 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.
RETURN VALUES
Returns array where first element is the integer square root of $a and the second is the remainder (i.e., the difference between $a and
the first element squared).
EXAMPLES
Example #1
gmp_sqrtrem(3) example
<?php
list($sqrt1, $sqrt1rem) = gmp_sqrtrem("9");
list($sqrt2, $sqrt2rem) = gmp_sqrtrem("7");
list($sqrt3, $sqrt3rem) = gmp_sqrtrem("1048576");
echo gmp_strval($sqrt1) . ", " . gmp_strval($sqrt1rem) . "
";
echo gmp_strval($sqrt2) . ", " . gmp_strval($sqrt2rem) . "
";
echo gmp_strval($sqrt3) . ", " . gmp_strval($sqrt3rem) . "
";
?>
The above example will output:
3, 0
2, 3
1024, 0
PHP Documentation Group GMP_SQRTREM(3)
