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54 lines
1.5 KiB
Plaintext
54 lines
1.5 KiB
Plaintext
NAME
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near - compare nearness of two numbers with a standard
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SYNOPSIS
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near(x, y [,eps])
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TYPES
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x real
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y real
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eps 0 < real < 1, defaults to epsilon()
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return -1, 0 or 1
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DESCRIPTION
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Returns:
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-1 if abs(x - y) < abs(eps)
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0 if abs(x - y) = abs(eps)
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1 if abs(x - y) > abs(eps)
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EXAMPLE
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; print near(22/7, 3.15, .01), near(22/7, 3.15, .005)
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-1 1
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LIMITS
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0 < eps < 1
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LINK LIBRARY
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FLAG qnear(NUMBER *x, NUMBER *y, NUMBER *eps)
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SEE ALSO
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epsilon, abs
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## Copyright (C) 1999,2023 Landon Curt Noll
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##
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## Calc is open software; you can redistribute it and/or modify it under
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## the terms of the version 2.1 of the GNU Lesser General Public License
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## as published by the Free Software Foundation.
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##
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## Calc is distributed in the hope that it will be useful, but WITHOUT
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## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
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## Public License for more details.
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##
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## A copy of version 2.1 of the GNU Lesser General Public License is
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## distributed with calc under the filename COPYING-LGPL. You should have
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## received a copy with calc; if not, write to Free Software Foundation, Inc.
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## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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##
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## Under source code control: 1995/10/25 04:03:46
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## File existed as early as: 1995
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##
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## chongo <was here> /\oo/\ http://www.isthe.com/chongo/
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## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
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