1 /* PSPP - a program for statistical analysis.
2    Copyright (C) 2006, 2011 Free Software Foundation, Inc.
3 
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.
8 
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.
13 
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/>. */
16 
17 #if !npar_h
18 #define npar_h 1
19 
20 #include <stddef.h>
21 #include <stdbool.h>
22 #include "data/missing-values.h"
23 #include "data/value.h"
24 
25 typedef const struct variable *variable_pair[2];
26 
27 struct hmapx;
28 struct casefilter;
29 struct casereader;
30 struct dataset;
31 
32 
33 struct npar_test
34 {
35   void (*execute) (const struct dataset *,
36 		   struct casereader *,
37                    enum mv_class exclude,
38 		   const struct npar_test *,
39 		   bool,
40 		   double);
41 
42   void (*insert_variables) (const struct npar_test *,
43 			    struct hmapx *);
44 };
45 
46 
47 struct one_sample_test
48 {
49   struct npar_test parent;
50   const struct variable **vars;
51   size_t n_vars;
52 };
53 
54 struct two_sample_test
55 {
56   struct npar_test parent;
57   variable_pair *pairs;
58   size_t n_pairs;
59 };
60 
61 
62 struct n_sample_test
63 {
64   struct npar_test parent;
65   const struct variable **vars;
66   size_t n_vars;
67 
68   union value val1, val2;
69   const struct variable *indep_var;
70 };
71 
72 #endif
73