1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 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/>. */
18 #ifndef _INTERACTION_H__
19 #define _INTERACTION_H__ 1
22 #include "data/missing-values.h"
32 const struct variable **vars;
35 struct interaction * interaction_create (const struct variable *);
36 struct interaction * interaction_clone (const struct interaction *);
37 void interaction_destroy (struct interaction *);
38 void interaction_add_variable (struct interaction *, const struct variable *);
39 void interaction_dump (const struct interaction *);
40 void interaction_to_string (const struct interaction *iact, struct string *str);
41 bool interaction_is_proper_subset (const struct interaction *x, const struct interaction *y);
42 bool interaction_is_subset (const struct interaction *x, const struct interaction *y);
46 unsigned int interaction_case_hash (const struct interaction *, const struct ccase *, unsigned int base);
47 bool interaction_case_equal (const struct interaction *, const struct ccase *, const struct ccase *);
48 bool interaction_case_is_missing (const struct interaction *, const struct ccase *, enum mv_class);
49 int interaction_case_cmp_3way (const struct interaction *, const struct ccase *, const struct ccase *);