mirror of
https://https.git.savannah.gnu.org/git/bash.git
synced 2026-06-21 21:07:57 +02:00
Chet Ramey
22 lines
487 B
Plaintext
22 lines
487 B
Plaintext
#From: Syamala Rao Tadigadapa <stadigad@us.oracle.com>
|
|
#Subject: Re: Division in ksh(getting the exact number) Please HELP
|
|
#Date: Mon, 25 Oct 1999 15:05:08 -0700
|
|
#Message-ID: <3814D414.7B896084@us.oracle.com>
|
|
|
|
#Here is how to calculate the (integer part of the) square root
|
|
#of a number in a much cleaner way.
|
|
|
|
sqroot()
|
|
{
|
|
let arg=$1
|
|
let root=arg
|
|
while :
|
|
do
|
|
newroot=$(( (root+arg/root)/2 ))
|
|
(( newroot == root )) && { echo $root; return; }
|
|
let root=newroot
|
|
done
|
|
}
|
|
|
|
sqroot "$@"
|