1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 1997-9, 2000, 2009, 2011 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/>. */
19 #include "math/group.h"
23 #include "data/variable.h"
24 #include "libpspp/compiler.h"
25 #include "libpspp/hash.h"
26 #include "libpspp/misc.h"
27 #include "libpspp/str.h"
28 #include "math/group-proc.h"
30 #include "gl/xalloc.h"
33 free_group (struct group_statistics *v, void *aux UNUSED)
39 group_proc_dtor (struct variable *var)
41 struct group_proc *group = var_detach_aux (var);
43 hsh_destroy (group->group_hash);
48 group_proc_get (const struct variable *v)
50 /* This is not ideal, obviously. */
51 struct group_proc *group = var_get_aux (v);
54 group = xzalloc (sizeof *group);
55 var_attach_aux (v, group, group_proc_dtor);