subcase: Add more functions.

[pspp] / src / data / subcase.h

diff --git a/src/data/subcase.h b/src/data/subcase.h
index 71bf6fd7cc33d4227a4e3c4380f6773a1bfc599a..ba4119b346bda76a5aa674ebdd2d35fccca9c595 100644 (file)
--- a/src/data/subcase.h
+++ b/src/data/subcase.h
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 2008, 2009 Free Software Foundation, Inc.
+   Copyright (C) 2008, 2009, 2010 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
@@ -67,13 +67,22 @@ bool subcase_add (struct subcase *, int case_index, int width,
                  enum subcase_direction direction);
 bool subcase_add_var (struct subcase *, const struct variable *,
                       enum subcase_direction);
+bool subcase_add_vars (struct subcase *, const struct variable *const *,
+                       size_t n_vars, enum subcase_direction);
 
 void subcase_add_always (struct subcase *sc, int case_index, int width,
                          enum subcase_direction direction);
 void subcase_add_var_always (struct subcase *, const struct variable *,
                              enum subcase_direction);
+bool subcase_add_vars_always (struct subcase *, const struct variable *const *,
+                              size_t n_vars, enum subcase_direction);
 void subcase_add_proto_always (struct subcase *, const struct caseproto *);
 
+void subcase_concat (struct subcase *, const struct subcase *);
+void subcase_concat_always (struct subcase *, const struct subcase *);
+
+void subcase_project (struct subcase *);
+
 const struct caseproto *subcase_get_proto (const struct subcase *);
 
 static inline bool subcase_is_empty (const struct subcase *);