X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?p=pspp-builds.git;a=blobdiff_plain;f=src%2Fmath%2Finteraction.c;fp=src%2Fmath%2Finteraction.c;h=7fc9f0f63d2c5efee0098f06fe921d50758425e6;hp=f2831d27680d26033965a756c0aebf5c808fd177;hb=c2f0df181038fe9975d642096e65ea48ca491acd;hpb=8e16ce856374ec440157b80ac19ef6dd724a0bd1

diff --git a/src/math/interaction.c b/src/math/interaction.c
index f2831d27..7fc9f0f6 100644
--- a/src/math/interaction.c
+++ b/src/math/interaction.c
@@ -15,7 +15,7 @@
    along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 
 /*
-  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
@@ -31,10 +31,9 @@
 
 #include <config.h>
 #include <assert.h>
-#include <gsl/gsl_math.h>
-#include <gsl/gsl_vector.h>
 #include <data/value.h>
 #include <data/variable.h>
+#include <gl/unistr.h>
 #include <math/interaction.h>
 #include <string.h>
 #include <xalloc.h>