X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmath%2Finteraction.h;h=995d0684517d78a8207e040121126b1ae63f473c;hb=b5c82cc9aabe7e641011130240ae1b2e84348e23;hp=bc1e63a42e92777e3d6f79e3a81a59996b1388c2;hpb=6fad5485ff9ba8e6decd8625cb79eb2910e934f2;p=pspp-builds.git

diff --git a/src/math/interaction.h b/src/math/interaction.h
index bc1e63a4..995d0684 100644
--- a/src/math/interaction.h
+++ b/src/math/interaction.h
@@ -16,6 +16,8 @@
 
 #ifndef INTERACTION_H
 #define INTERACTION_H
+#include <data/case.h>
+
 struct interaction_variable;
 struct interaction_value;
 
@@ -24,5 +26,15 @@ 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