est: minor fixes

Signed-off-by: Eder Monteiro <[email protected]>

Author: eder-matheus

src/est/src/EstimateParasitics.cpp

@@ -970,7 +970,7 @@ void EstimateParasitics::insertViaResistances(odb::dbTechLayer* pin_layer,
     const int cut_layer_idx = pin_layer_idx < tree_layer_idx
                                   ? pin_layer_idx + 1
                                   : pin_layer_idx - 1;
-    double cut_res
+    const double cut_res
         = std::max(layer_res_[cut_layer_idx][corner->index()], 1.0e-3);
     parasitics_->makeResistor(
         parasitic, resistor_id++, cut_res, pin_node, node);
@@ -991,7 +991,8 @@ void EstimateParasitics::insertViaResistances(odb::dbTechLayer* pin_layer,
       ParasiticNode* mid_node = parasitics_->ensureParasiticNode(
           parasitic, net, ++max_node_index, network_);
 
-      double cut_res = std::max(layer_res_[layer_idx][corner->index()], 1.0e-3);
+      const double cut_res
+          = std::max(layer_res_[layer_idx][corner->index()], 1.0e-3);
 
       ParasiticNode* from_node = prev_node;
       ParasiticNode* to_node = mid_node;

src/est/src/SteinerTree.cpp

@@ -85,7 +85,7 @@ int SteinerTree::getMaxIndex() const
   for (int i = 0; i < branchCount(); i++) {
     const stt::Branch& branch_pt = tree_.branch[i];
     max_index = std::max(max_index, i);
-    max_index = std::max(max_index, branch_pt.n);
+    max_index = std::max({max_index, branch_pt.n});
   }
 
   return max_index;