Fix tidy error

src/include/rtg/raw_data.hpp

@@ -82,7 +82,6 @@ struct raw_data
 
     /**
      * @brief Retrieves a single element of data
-     * @details [long description]
      *
      * @param n The index to retrieve the data from
      * @tparam T The type of data to be retrieved
@@ -97,6 +96,20 @@ struct raw_data
     }
 };
 
+template<class T, class... Ts>
+auto visit_all(T&& x, Ts&&... xs)
+{
+    auto&& s = x.get_shape();
+    std::initializer_list<shape::type_t> types = {xs.get_shape().type()...};
+    if (!std::all_of(types.begin(), types.end(), [&](shape::type_t t) { return t == s.type(); }))
+        RTG_THROW("Types must be the same");
+    return [&](auto v) {
+        s.visit_type([&](auto as) { 
+            v(make_view(s, as.from(x.data())), make_view(xs.get_shape(), as.from(xs.data()))...); 
+        });
+    };
+}
+
 } // namespace rtg
 
 #endif

src/targets/cpu/cpu_target.cpp

@@ -17,9 +17,7 @@ struct cpu_convolution
     {
         shape output_shape = compute_shape({args[0].get_shape(), args[1].get_shape()});
         argument result{compute_shape({args[0].get_shape(), args[1].get_shape()})};
-        result.visit([&](auto output) {
-            args[0].visit([&](auto input) {
-                args[1].visit([&](auto weights) {
+        visit_all(result, args[0], args[1])([&](auto output, auto input, auto weights) {
             auto in_n = input.get_shape().lens()[0];
             auto in_c = input.get_shape().lens()[1];
             auto in_h = input.get_shape().lens()[2];
@@ -49,8 +47,6 @@ struct cpu_convolution
             });
             
         });
-            });
-        });
         return result;
     }
 };