NAME
    iroot - integer part of specified root

SYNOPSIS
    iroot(x, n)

TYPES
    x		nonnegative real
    n		positive integer

    return	nonnegative real

DESCRIPTION
    Return the greatest integer v for which v^n <= x.

EXAMPLE
    ; print iroot(100,3), iroot(274,3), iroot(1,9), iroot(pi()^8,5)
    4 6 1 6

LIMITS
    n > 0

LINK LIBRARY
    NUMBER *qiroot(NUMBER *x, NUMBER* n)

SEE ALSO
    isqrt, sqrt

## Copyright (C) 1999  Landon Curt Noll
##
## Calc is open software; you can redistribute it and/or modify it under
## the terms of the version 2.1 of the GNU Lesser General Public License
## as published by the Free Software Foundation.
##
## Calc is distributed in the hope that it will be useful, but WITHOUT
## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
## or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU Lesser General
## Public License for more details.
##
## A copy of version 2.1 of the GNU Lesser General Public License is
## distributed with calc under the filename COPYING-LGPL.  You should have
## received a copy with calc; if not, write to Free Software Foundation, Inc.
## 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
##
## @(#) $Revision: 30.1 $
## @(#) $Id: iroot,v 30.1 2007/03/16 11:10:42 chongo Exp $
## @(#) $Source: /usr/local/src/cmd/calc/help/RCS/iroot,v $
##
## Under source code control:	1995/10/25 04:03:45
## File existed as early as:	1995
##
## chongo <was here> /\oo/\	http://www.isthe.com/chongo/
## Share and enjoy!  :-)	http://www.isthe.com/chongo/tech/comp/calc/