1 /* PSPP - computes sample statistics.
2 Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
3 Written by Ben Pfaff <blp@gnu.org>.
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 This program is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
28 SRT_ASCEND, /* A, B, C, ..., X, Y, Z. */
29 SRT_DESCEND /* Z, Y, X, ..., C, B, A. */
32 /* SORT CASES input program. */
35 int ref_cnt; /* Reference count. */
37 struct variable **vars; /* Variables to sort. */
38 enum sort_direction *dirs; /* Sort directions. */
39 int var_cnt; /* Number of variables to sort. */
41 struct internal_sort *isrt; /* Internal sort output. */
42 struct external_sort *xsrt; /* External sort output. */
45 /* SORT CASES programmatic interface. */
46 struct sort_cases_pgm *parse_sort (void);
47 int sort_cases (struct sort_cases_pgm *, int separate);
48 void read_sort_output (struct sort_cases_pgm *,
49 write_case_func *, write_case_data);
50 void destroy_sort_cases_pgm (struct sort_cases_pgm *);