fix get_curl on clang broken in #1920

diff --git a/include/deal.II/matrix_free/fe_evaluation.h b/include/deal.II/matrix_free/fe_evaluation.h
index 81649d1b72538a5b0701c1edc052287ec7083c74..1c94eb598fbbf99bb6b1b88571945fd30261425d 100644 (file)
--- a/include/deal.II/matrix_free/fe_evaluation.h
+++ b/include/deal.II/matrix_free/fe_evaluation.h
@@ -1132,7 +1132,7 @@ public:
    * Returns the curl of the vector field, $nabla \times v$ after a call to @p
    * evaluate(...,true,...).
    */
-  Tensor<1,dim==2?1:dim,VectorizedArray<Number> >
+  Tensor<1,(dim==2?1:dim),VectorizedArray<Number> >
   get_curl (const unsigned int q_point) const;
 
   /**