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61 lines
2.0 KiB
Plaintext
61 lines
2.0 KiB
Plaintext
NAME
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calclevel - current calculation level
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SYNOPSIS
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calclevel()
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TYPES
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return nonnegative integer
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DESCRIPTION
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This function returns the calculation level at which it is called.
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When a command is being read from a terminal or from a file,
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calc is at calculation level zero. The level is increased
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by 1 each time calculation starts of a user-defined function
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or of eval(S) for some expression S which evaluates to a string. It
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decreases to zero if an error occurs or a quit or abort statement
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is executed. Otherwise, it decreases by 1 when the calculation
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is completed. Except when an error occurs or abort is executed,
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the input level is not affected by changes in the calculation level.
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Zero calculation level is also called top calculation level; greater
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values of calclevel() indicate calculation is occurring at greater
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depths.
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EXAMPLE
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; ## NOTE: Your current calculation level may vary:
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; calclevel()
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0
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LIMITS
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none
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LINK LIBRARY
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none
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SEE ALSO
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eval, read, quit, abort, inputlevel
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## Copyright (C) 1999,2021 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: 1999/10/31 06:01:21
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## File existed as early as: 1999
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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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