use struct design_matrix

[pspp-builds.git] / src / math / ts / innovations.h

diff --git a/src/math/ts/innovations.h b/src/math/ts/innovations.h
index 1061e26a6cb31950098a7bbc4b919abfddd633f9..d6ec1ce42c3e8e7dc533f7cc1be68b4d7719423b 100644 (file)
--- a/src/math/ts/innovations.h
+++ b/src/math/ts/innovations.h
@@ -30,6 +30,8 @@
 #ifndef INNOVATIONS_H
 #define INNOVATIONS_H
 #include <math/coefficient.h>
+#include <math/design-matrix.h>
+
 struct innovations_estimate
 {
   const struct variable *variable;
@@ -41,6 +43,6 @@ struct innovations_estimate
   double max_lag;
   coefficient **coeff;
 };
-struct innovations_estimate ** pspp_innovations (const gsl_matrix *, size_t);
+struct innovations_estimate ** pspp_innovations (const struct design_matrix *, size_t);
 void pspp_innovations_free (struct innovations_estimate **, size_t);
 #endif