std-isqrt | ![]() |
Returns the integer part of the square root of num. As with (fix (sqrt num)).
In some implementations std-isqrt may be much faster than sqrt.
(std-isqrt 1) => 1 (std-isqrt 2) => 1 (std-isqrt 3) => 1 (std-isqrt 4) => 2 (std-isqrt 16) => 4
num: Any number, if integer or real.
A integer number.
None.
(std-require 'STDMATH)
Defined in STDMATH