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50 lines
1.6 KiB
Plaintext
50 lines
1.6 KiB
Plaintext
/*
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* repeat - return the value of a repeated set of digits
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*
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* Copyright (C) 2003 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: 2003/01/05 00:00:01
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* File existed as early as: 2003
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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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*/
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/*
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* repeat - return the value of a repeated set of digits
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*
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* usage:
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* repeat(digit_set, repeat_count)
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*/
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define repeat(digit_set, repeat_count)
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{
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local digit_count; /* digits in the digit_set */
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/* firewall */
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if (!isint(digit_set) || digit_set <= 0) {
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quit "digit set must be an integer > 0";
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}
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if (!isint(repeat_count) || repeat_count <= 0) {
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quit "repeat count must be an integer > 0";
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}
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/* return repeated set of digits */
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digit_count = digits(digit_set);
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return digit_set * (10^(digit_count*repeat_count)-1) / (10^digit_count-1);
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}
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