sort: New function sort_distinct_execute().

[pspp] / src / math / sort.h

diff --git a/src/math/sort.h b/src/math/sort.h
index 06227d64ba670cd21013d4b267134fd10238b5c7..99395eb89eedfde6f134b10d7dd76380ee56a656 100644 (file)
--- a/src/math/sort.h
+++ b/src/math/sort.h
@@ -39,5 +39,10 @@ struct casewriter *sort_distinct_create_writer (const struct subcase *,
                                                 sort_distinct_combine_func *,
                                                 sort_distinct_destroy_func *,
                                                 void *aux);
+struct casereader *sort_distinct_execute (struct casereader *,
+                                          const struct subcase *,
+                                          sort_distinct_combine_func *,
+                                          sort_distinct_destroy_func *,
+                                          void *aux);
 
 #endif /* math/sort.h */