X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmath%2Finteraction.h;h=13b13690f9360114826b2deda1597f4c9e3a2ae1;hb=36be36022d2a73818e514be8f9a9ccbe9160165f;hp=bc1e63a42e92777e3d6f79e3a81a59996b1388c2;hpb=6fad5485ff9ba8e6decd8625cb79eb2910e934f2;p=pspp-builds.git

diff --git a/src/math/interaction.h b/src/math/interaction.h
index bc1e63a4..13b13690 100644
--- a/src/math/interaction.h
+++ b/src/math/interaction.h
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 2009 Free Software Foundation, Inc.
+   Copyright (C) 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
@@ -16,6 +16,9 @@
 
 #ifndef INTERACTION_H
 #define INTERACTION_H
+
+#include "data/case.h"
+
 struct interaction_variable;
 struct interaction_value;
 
@@ -24,5 +27,15 @@ void interaction_variable_destroy (struct interaction_variable *);
 struct interaction_value * interaction_value_create (const struct interaction_variable *, const union value **);
 void interaction_value_destroy (struct interaction_value *);
 size_t interaction_variable_get_n_vars (const struct interaction_variable *);
-
+double interaction_value_get_nonzero_entry (const struct interaction_value *);
+const union value *interaction_value_get (const struct interaction_value *);
+const struct variable * interaction_get_variable (const struct interaction_variable *);
+size_t interaction_get_n_numeric (const struct interaction_variable *);
+size_t interaction_get_n_alpha (const struct interaction_variable *);
+size_t interaction_get_n_vars (const struct interaction_variable *);
+const struct variable * interaction_get_member (const struct interaction_variable *, size_t);
+bool is_interaction (const struct variable *, const struct interaction_variable **, size_t);
+struct interaction_value *
+interaction_case_data (const struct ccase *, const struct interaction_variable *);
+double interaction_value_get_nonzero_entry (const struct interaction_value *);
 #endif