Update all #include directives to the currently preferred style.

[pspp-builds.git] / src / math / interaction.h

diff --git a/src/math/interaction.h b/src/math/interaction.h
index 66db9fb52e557e80154558b4c9a413bc6e79e039..13b13690f9360114826b2deda1597f4c9e3a2ae1 100644 (file)
--- a/src/math/interaction.h
+++ b/src/math/interaction.h
@@ -1,21 +1,41 @@
-/* PSPP - Creates data structures to store interactions for
-   statistical routines.
+/* PSPP - a program for statistical analysis.
+   Copyright (C) 2009, 2011 Free Software Foundation, Inc.
 
-   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 3 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 2 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. */
-gsl_vector *
-get_interaction (union value **, const struct variable **, size_t);
+   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+
+#ifndef INTERACTION_H
+#define INTERACTION_H
+
+#include "data/case.h"
+
+struct interaction_variable;
+struct interaction_value;
+
+struct interaction_variable * interaction_variable_create (const struct variable **, int);
+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