-/* PSPP - computes sample statistics.
+/* PSPP - a program for statistical analysis.
Copyright (C) 2007 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/>. */
+
+/* Sort order for comparing cases. */
#ifndef DATA_CASE_ORDERING_H
#define DATA_CASE_ORDERING_H 1
SRT_DESCEND /* Z, Y, X, ..., C, B, A. */
};
+/* Creation and destruction. */
struct case_ordering *case_ordering_create (const struct dictionary *);
struct case_ordering *case_ordering_clone (const struct case_ordering *);
void case_ordering_destroy (struct case_ordering *);
-size_t case_ordering_get_value_cnt (const struct case_ordering *);
+/* Modification. */
+bool case_ordering_add_var (struct case_ordering *,
+ const struct variable *, enum sort_direction);
+
+/* Comparing cases. */
int case_ordering_compare_cases (const struct ccase *, const struct ccase *,
const struct case_ordering *);
-bool case_ordering_add_var (struct case_ordering *,
- const struct variable *, enum sort_direction);
+/* Inspection. */
+size_t case_ordering_get_value_cnt (const struct case_ordering *);
size_t case_ordering_get_var_cnt (const struct case_ordering *);
-const struct variable *case_ordering_get_var (const struct case_ordering *, size_t);
+const struct variable *case_ordering_get_var (const struct case_ordering *,
+ size_t);
enum sort_direction case_ordering_get_direction (const struct case_ordering *,
size_t);
void case_ordering_get_vars (const struct case_ordering *,