1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 2006 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
23 /* Replaces insignificant digits by # to facilitate textual
24 comparisons. Not a perfect solution to the general-purpose
25 comparison problem, because rounding that affects earlier
26 digits can still cause differences. */
30 bool in_quotes = false;
31 bool in_exponent = false;
43 in_quotes = !in_quotes;
47 else if (in_quotes && !in_exponent)
49 if (strchr ("+dDeE", c) != NULL || (c == '-' && digits))
51 else if (strchr ("0123456789}JKLMNOPQR", c) != NULL)
53 if (digits || c >= '1')
56 c = isdigit (c) ? '#' : '@';