array: adjust eigen conversions

src/array.hpp

@@ -152,12 +152,12 @@ public:
     typedef Eigen::Matrix<Scalar,Eigen::Dynamic,Eigen::Dynamic> EigenMatrix;
     typedef Eigen::Map<EigenMatrix, 0, Eigen::Stride<Eigen::Dynamic,Eigen::Dynamic> > EigenMap;
 
-    operator EigenMap() const
+    EigenMap to_matrix() const
         {
             static_assert(NDim == 2, "matrixes must be two-dimensional");
-            return EigenMap((Scalar *)data_.data() + offset_,
-                            shape_[0], shape_[1],
-                            {(long)stride_[1], (long)stride_[0]});
+            return {(Scalar *)data_.data() + offset_,
+                shape_[0], shape_[1],
+                {(long)stride_[1], (long)stride_[0]}};
         }
 };
 

src/main.cpp

@@ -31,7 +31,7 @@ int main()
 
     std::cout << Q.index(0u,0u) << std::endl;
 
-    Array<ADComplex,3>::EigenMap mat(Q);
+    auto mat = Q.to_matrix();
 
     mat(1,1) = 123;