[GraphView.replaceWith] Fix issue when replacing a node with parameters.

src/graph/GraphView.cpp

@@ -197,7 +197,7 @@ void Aidge::GraphView::forwardDims() {
             {
               assert(!std::static_pointer_cast<Tensor>(nodePtr->getOperator()->getRawInput(i))->empty());
             }
-            
+
         }
     }
     // Compute dimensions of every node
@@ -533,28 +533,24 @@ bool Aidge::GraphView::replaceWith(std::set<std::shared_ptr<Node>> newNodes) {
   assert(mNodes.size()>0 && "There must be at least one Node to replace");
 
   bool replacable;
-  std::shared_ptr<Node> previousInputNode;
-  std::shared_ptr<Node> newInputNode;
-  std::shared_ptr<Node> previousOutputNode;
+  std::shared_ptr<Node> previousInputNode = (*inputNodes().begin());
+  std::shared_ptr<Node> previousOutputNode = (*outputNodes().begin());
   std::shared_ptr<Node> newOutputNode;
-  
+
   auto gNew = std::make_shared<GraphView>();
   gNew->add(newNodes, false);
 
   if (newNodes.empty()) {
     replacable = (outputNodes().size() == 1) &&
-                      (inputNodes().size() == 1) &&
-                      ((*outputNodes().begin())->nbOutputs() == 1) &&
-                      ((*inputNodes().begin())->nbInputs() == 1);
-    previousOutputNode = (*outputNodes().begin());
-    previousInputNode = (*inputNodes().begin());
+                 (inputNodes().size() == 1) &&
+                 ((*outputNodes().begin())->nbOutputs() == 1) &&
+                 ((*inputNodes().begin())->nbDataInputs() == 1);
     newOutputNode = previousInputNode->input(0).first;
   } else {
-    replacable = ((outputNodes().size() == gNew->outputNodes().size()) &&
-                     (outputNodes().size() == 1));
-    previousOutputNode = (*outputNodes().begin());
     newOutputNode = (*gNew->outputNodes().begin());
-    replacable = replacable && (previousOutputNode->nbOutputs() == newOutputNode->nbOutputs());
+    replacable = (outputNodes().size() == gNew->outputNodes().size()) &&
+                 (outputNodes().size() == 1) &&
+                 (previousOutputNode->nbOutputs() == newOutputNode->nbOutputs());
   }
 
   if (replacable) {
@@ -673,4 +669,4 @@ void Aidge::GraphView::removeOutputNode(const std::string nodeName) {
       mOutputNodes.erase(val);
     }
   }
-}
+}
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