NAME near - compare nearness of two numbers with a standard SYNOPSIS near(x, y [,eps]) TYPES x real y real eps real, defaults to epsilon() return -1, 0 or 1 DESCRIPTION Returns: -1 if abs(x - y) < abs(eps) 0 if abs(x - y) = abs(eps) 1 if abs(x - y) > abs(eps) EXAMPLE ; print near(22/7, 3.15, .01), near(22/7, 3.15, .005) -1 1 LIMITS eps >= 0 LINK LIBRARY FLAG qnear(NUMBER *x, NUMBER *y, NUMBER *eps) SEE ALSO epsilon, abs ## 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: near,v 30.1 2007/03/16 11:10:42 chongo Exp $ ## @(#) $Source: /usr/local/src/bin/calc/help/RCS/near,v $ ## ## Under source code control: 1995/10/25 04:03:46 ## File existed as early as: 1995 ## ## chongo /\oo/\ http://www.isthe.com/chongo/ ## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/