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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | NAME
epsilon - set or read the stored epsilon value
SYNOPSIS
epsilon([eps])
TYPES
eps real number greater than 0 and less than 1
return real number greater than 0 and less than 1
DESCRIPTION
Without args, epsilon() returns the current epsilon value.
With one arg, epsilon(eps) returns the current epsilon value
and sets the stored epsilon value to eps.
The stored epsilon value is used as default value for eps in
the functions appr(x, eps, rnd), sqrt(x, eps, rnd), etc.
EXAMPLE
; oldeps = epsilon(1e-6)
; print epsilon(), sqrt(2), epsilon(1e-4), sqrt(2), epsilon(oldeps)
; .000001 1.414214 .000001 1.4142 .0001
LIMITS
none
LINK LIBRARY
void setepsilon(NUMBER *eps)
NUMBER *_epsilon_
SEE ALSO
config
## 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: epsilon,v 30.1 2007/03/16 11:10:42 chongo Exp $
## @(#) $Source: /usr/local/src/bin/calc/help/RCS/epsilon,v $
##
## Under source code control: 1995/10/05 04:52:26
## 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/
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