[VPR] Code format fix

Author: tangxifan

vpr/src/route/clock_connection_builders.cpp

@@ -116,7 +116,7 @@ int RoutingToClockConnection::create_virtual_clock_network_sink_node(
     float C = 0.;
     rr_graph.set_node_rc_index(node_index, find_create_rr_rc_data(R, C));
 
-    // Use a generic way when adding nodes to lookup. 
+    // Use a generic way when adding nodes to lookup.
     // However, since the SINK node has the same xhigh/xlow as well as yhigh/ylow, we can probably use a shortcut
     for (int ix = rr_graph.node_xlow(node_index); ix <= rr_graph.node_xhigh(node_index); ++ix) {
         for (int iy = rr_graph.node_ylow(node_index); iy <= rr_graph.node_yhigh(node_index); ++iy) {

vpr/src/route/clock_network_builders.cpp

@@ -349,7 +349,7 @@ int ClockRib::create_chanx_wire(int x_start,
     for (int ix = rr_graph.node_xlow(chanx_node); ix <= rr_graph.node_xhigh(chanx_node); ++ix) {
         for (int iy = rr_graph.node_ylow(chanx_node); iy <= rr_graph.node_yhigh(chanx_node); ++iy) {
             //TODO: CHANX uses odd swapped x/y indices here. Will rework once rr_node_indices is shadowed
-            rr_graph_builder.node_lookup().add_node(chanx_node, iy, ix, rr_graph.node_type(chanx_node), rr_graph.node_ptc_num(chanx_node), SIDES[0]); 
+            rr_graph_builder.node_lookup().add_node(chanx_node, iy, ix, rr_graph.node_type(chanx_node), rr_graph.node_ptc_num(chanx_node), SIDES[0]);
         }
     }
 
@@ -653,7 +653,7 @@ int ClockSpine::create_chany_wire(int y_start,
     RRNodeId chany_node = RRNodeId(node_index);
     for (int ix = rr_graph.node_xlow(chany_node); ix <= rr_graph.node_xhigh(chany_node); ++ix) {
         for (int iy = rr_graph.node_ylow(chany_node); iy <= rr_graph.node_yhigh(chany_node); ++iy) {
-            rr_graph_builder.node_lookup().add_node(chany_node, ix, iy, rr_graph.node_type(chany_node), rr_graph.node_ptc_num(chany_node), SIDES[0]); 
+            rr_graph_builder.node_lookup().add_node(chany_node, ix, iy, rr_graph.node_type(chany_node), rr_graph.node_ptc_num(chany_node), SIDES[0]);
         }
     }
 

vpr/src/route/rr_graph_clock.h

@@ -8,7 +8,6 @@
 #include <set>
 #include <utility>
 
-
 #include "rr_graph_builder.h"
 #include "clock_fwd.h"