grt: init lower bound capacities

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

Author: eder-matheus

src/grt/src/GlobalRouter.cpp

@@ -746,6 +746,7 @@ void GlobalRouter::setCapacities(int min_routing_layer, int max_routing_layer)
       fastroute_->addVCapacity(min_cap, layer);
     }
   }
+  fastroute_->initLowerBoundCapacities();
 }
 
 int GlobalRouter::computeGCellCapacity(const int x,

src/grt/src/fastroute/include/FastRoute.h

@@ -121,6 +121,7 @@ class FastRouteCore
   void clearNetsToRoute() { net_ids_.clear(); }
   void initEdges();
   void init3DEdges();
+  void initLowerBoundCapacities();
   void setEdgeCapacity(int x1, int y1, int x2, int y2, int layer, int capacity);
   int getDbNetLayerEdgeCost(odb::dbNet* db_net, int layer);
   void initEdgesCapacityPerLayer();

src/grt/src/fastroute/src/FastRoute.cpp

@@ -365,12 +365,7 @@ void FastRouteCore::clearNDRnets()
 
 void FastRouteCore::initEdges()
 {
-  const float LB = 0.9;
-  v_capacity_lb_ = LB * v_capacity_;
-  h_capacity_lb_ = LB * h_capacity_;
-
   // allocate memory and initialize for edges
-
   graph2d_.init(x_grid_, y_grid_, num_layers_, logger_);
 
   init3DEdges();
@@ -403,6 +398,13 @@ void FastRouteCore::init3DEdges()
   }
 }
 
+void FastRouteCore::initLowerBoundCapacities()
+{
+  const float LB = 0.9;
+  v_capacity_lb_ = LB * v_capacity_;
+  h_capacity_lb_ = LB * h_capacity_;
+}
+
 void FastRouteCore::setEdgeCapacity(int x1,
                                     int y1,
                                     int x2,