1NAME
2    isqrt - integer part of square root
3
4SYNOPSIS
5    isqrt(x)
6
7TYPES
8    x		nonnegative real
9
10    return	nonnegative real
11
12DESCRIPTION
13    Return the greatest integer n for which n^2 <= x.
14
15EXAMPLE
16    ; print isqrt(8.5), isqrt(200), isqrt(2e6), isqrt(2e56)
17    2 14 1414 14142135623730950488016887242
18
19LIMITS
20    x > 0
21
22LINK LIBRARY
23    NUMBER *qisqrt(NUMBER *x)
24
25SEE ALSO
26    sqrt, iroot
27
28## Copyright (C) 1999  Landon Curt Noll
29##
30## Calc is open software; you can redistribute it and/or modify it under
31## the terms of the version 2.1 of the GNU Lesser General Public License
32## as published by the Free Software Foundation.
33##
34## Calc is distributed in the hope that it will be useful, but WITHOUT
35## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
36## or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU Lesser General
37## Public License for more details.
38##
39## A copy of version 2.1 of the GNU Lesser General Public License is
40## distributed with calc under the filename COPYING-LGPL.  You should have
41## received a copy with calc; if not, write to Free Software Foundation, Inc.
42## 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
43##
44## Under source code control:	1995/10/25 04:03:45
45## File existed as early as:	1995
46##
47## chongo <was here> /\oo/\	http://www.isthe.com/chongo/
48## Share and enjoy!  :-)	http://www.isthe.com/chongo/tech/comp/calc/
49