From c2f0df181038fe9975d642096e65ea48ca491acd Mon Sep 17 00:00:00 2001
From: Jason Stover <jhs@debs.(none)>
Date: Mon, 3 Aug 2009 11:26:56 -0400
Subject: [PATCH] Cruft removal

---
 src/math/interaction.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

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>
-- 
2.30.2