2 num - numerator of a real number
13 For real x, den(x) returns the denominator of x. In calc,
14 real values are actually rational values. Each calc real
15 value can be uniquely expressed as:
25 If x = n/x, then den(x) == n.
28 ; print num(7), num(-1.25), num(121/33)
35 NUMBER *qnum(NUMBER *x)
40 ## Copyright (C) 1999 Landon Curt Noll
42 ## Calc is open software; you can redistribute it and/or modify it under
43 ## the terms of the version 2.1 of the GNU Lesser General Public License
44 ## as published by the Free Software Foundation.
46 ## Calc is distributed in the hope that it will be useful, but WITHOUT
47 ## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
48 ## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
49 ## Public License for more details.
51 ## A copy of version 2.1 of the GNU Lesser General Public License is
52 ## distributed with calc under the filename COPYING-LGPL. You should have
53 ## received a copy with calc; if not, write to Free Software Foundation, Inc.
54 ## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
56 ## @(#) $Revision: 30.1 $
57 ## @(#) $Id: num,v 30.1 2007/03/16 11:10:42 chongo Exp $
58 ## @(#) $Source: /usr/local/src/cmd/calc/help/RCS/num,v $
60 ## Under source code control: 1995/10/05 04:52:27
61 ## File existed as early as: 1995
63 ## chongo <was here> /\oo/\ http://www.isthe.com/chongo/
64 ## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/