Add explicit namespaces for std and pugixml.

Signed-off-by: Keith Rothman <[email protected]>

Author: litghost

vpr/src/route/rr_graph_reader.cpp

@@ -140,7 +140,7 @@ void load_rr_file(const t_graph_type graph_type,
         VTR_ASSERT(max_chan_width > 0);
 
         /* Branches to binary format */
-        next_component = get_single_child(rr_graph, "binary_nodes_and_edges", loc_data, OPTIONAL);
+        next_component = get_single_child(rr_graph, "binary_nodes_and_edges", loc_data, pugiutil::OPTIONAL);
         if (next_component) {
             /* Loads edges, switches, and node look up tables*/
             next_component = get_single_child(rr_graph, "switches", loc_data);
@@ -150,7 +150,7 @@ void load_rr_file(const t_graph_type graph_type,
 
             process_switches(next_component, loc_data);
 
-            next_component = get_single_child(rr_graph, "binary_nodes_and_edges", loc_data, OPTIONAL);
+            next_component = get_single_child(rr_graph, "binary_nodes_and_edges", loc_data, pugiutil::OPTIONAL);
             auto filename = get_attribute(next_component, "file", loc_data).as_string("");
             VTR_LOG("Using Binary File: %s\n", filename);
             FILE* fp = fopen(filename, "rb");

vpr/src/route/rr_graph_writer.cpp

@@ -47,7 +47,7 @@ void write_rr_graph(const char* file_name, const std::vector<t_segment_inf>& seg
         VTR_LOG("RR_Graph binary file %s\n", bin_file_name.c_str());
         fb = vtr::fopen(bin_file_name.c_str(), "w");
     }
-    fp.open(file_name, fstream::out | fstream::trunc);
+    fp.open(file_name, std::fstream::out | std::fstream::trunc);
 
     /* Prints out general info for easy error checking*/
     if (!fp.is_open() || !fp.good()) {