X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=src%2Fmath%2Finteraction.c;h=2f8da8ccaaa1fd4619a73415a8ff888cd097d9ac;hb=97f9b8ad137e333af9b3c767556d28dfda93a461;hp=7ed36f6627ed469ce1c6775efd504a191c23f338;hpb=b5c82cc9aabe7e641011130240ae1b2e84348e23;p=pspp
diff --git a/src/math/interaction.c b/src/math/interaction.c
index 7ed36f6627..2f8da8ccaa 100644
--- a/src/math/interaction.c
+++ b/src/math/interaction.c
@@ -1,5 +1,5 @@
/* PSPP - a program for statistical analysis.
- Copyright (C) 2009 Free Software Foundation, Inc.
+ Copyright (C) 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
@@ -15,7 +15,7 @@
along with this program. If not, see . */
/*
- An interaction is a gsl_vector containing a "product" of other
+ An interaction is a structure containing a "product" of other
variables. The variables can be either categorical or numeric.
If the variables are all numeric, the interaction is just the
scalar product. If any of the variables are categorical, their
@@ -31,14 +31,13 @@
#include
#include
-#include
-#include
+#include
#include
#include
+#include
#include