fix sparse vector assignment from a sparse matrix

1 files changed, 2 insertions, 1 deletions

diff --git a/Eigen/src/SparseCore/SparseVector.h b/Eigen/src/SparseCore/SparseVector.h
index 5bfd041ed..cd1e76070 100644
--- a/Eigen/src/SparseCore/SparseVector.h
+++ b/Eigen/src/SparseCore/SparseVector.h
@@ -230,7 +230,8 @@ class SparseVector
     template<typename OtherDerived>
     inline SparseVector& operator=(const SparseMatrixBase<OtherDerived>& other)
     {
-      if (int(RowsAtCompileTime)!=int(OtherDerived::RowsAtCompileTime))
+      if ( (bool(OtherDerived::IsVectorAtCompileTime) && int(RowsAtCompileTime)!=int(OtherDerived::RowsAtCompileTime))
+          || ((!bool(OtherDerived::IsVectorAtCompileTime)) && ( bool(IsColVector) ? other.cols()>1 : other.rows()>1 )))
         return assign(other.transpose());
       else
         return assign(other);