-/* PSPP - computes sample statistics.
- Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
+/* PSPP - a program for statistical analysis.
+ Copyright (C) 1997-9, 2000, 2009, 2011 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
-#include <stdlib.h>
-#include <libpspp/alloc.h>
-#include <libpspp/compiler.h>
-#include <libpspp/hash.h>
-#include "group.h"
-#include "group-proc.h"
-#include <libpspp/str.h>
-#include <data/variable.h>
-#include <libpspp/misc.h>
-
-/* Return -1 if the id of a is less than b; +1 if greater than and
- 0 if equal */
-int
-compare_group(const struct group_statistics *a,
- const struct group_statistics *b,
- int width)
-{
- return compare_values(&a->id, &b->id, width);
-}
+#include "math/group.h"
+#include <stdlib.h>
+#include "data/variable.h"
+#include "libpspp/compiler.h"
+#include "libpspp/hash.h"
+#include "libpspp/misc.h"
+#include "libpspp/str.h"
+#include "math/group-proc.h"
-unsigned
-hash_group(const struct group_statistics *g, int width)
-{
- unsigned id_hash;
-
- id_hash = hash_value(&g->id, width);
-
- return id_hash;
-}
-
+#include "gl/xalloc.h"
void
-free_group(struct group_statistics *v, void *aux UNUSED)
+free_group (struct group_statistics *v, void *aux UNUSED)
{
free(v);
}
+static void
+group_proc_dtor (struct variable *var)
+{
+ struct group_proc *group = var_detach_aux (var);
+
+ hsh_destroy (group->group_hash);
+ free (group);
+}
struct group_proc *
group_proc_get (const struct variable *v)
struct group_proc *group = var_get_aux (v);
if (group == NULL)
{
- group = xmalloc (sizeof (struct group_proc));
- var_attach_aux (v, group, var_dtor_free);
+ group = xzalloc (sizeof *group);
+ var_attach_aux (v, group, group_proc_dtor);
}
return group;
}