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calc/help/forall
2017-05-21 15:38:36 -07:00

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NAME
forall - to evaluate a function for all values of a list or matrix
SYNOPSIS
forall(x, y)
TYPES
x list or matrix
y string
return null value
DESCRIPTION
In forall(x,y), y is the name of a function; that function
is performed in succession for all elements of x. This is similar
to modify(x, y) but x is not changed.
EXAMPLE
> global n = 0
> define s(a) {n += a;}
> A = list(1,2,3,4)
> forall(A, "s")
> n
10
> define e(a) {if (iseven(a)) print a;}
> forall(A, "e")
2
4
LIMITS
none
LINK LIBRARY
none
SEE ALSO
modify
## 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.
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
##
## @(#) $Revision: 29.1 $
## @(#) $Id: forall,v 29.1 1999/12/14 09:15:50 chongo Exp $
## @(#) $Source: /usr/local/src/cmd/calc/help/RCS/forall,v $
##
## Under source code control: 1995/07/10 02:09:31
## File existed as early as: 1995
##
## chongo <was here> /\oo/\ http://reality.sgi.com/chongo/
## Share and enjoy! :-) http://reality.sgi.com/chongo/tech/comp/calc/