[lib] add resize for ptc nums

Author: tangxifan

libs/librrgraph/src/base/rr_graph_builder.cpp

@@ -253,17 +253,17 @@ void RRGraphBuilder::set_node_ptc_nums(RRNodeId node, const std::string& ptc_str
 }
 
 std::string RRGraphBuilder::node_ptc_nums_to_string(RRNodeId node) const {
-    std::string ret;
     if (node_ptc_nums_.empty()) {
-        return std::to_string(node_storage_.node_ptc_num(node));
+        return std::to_string(size_t(node_storage_.node_ptc_num(node)));
 //        VTR_LOG("Node ptc single: %d -> string %s\n", node_storage_.node_ptc_num(node), ret.c_str()); 
     }
     VTR_ASSERT(size_t(node) < node_ptc_nums_.size());
     if (node_ptc_nums_[node].empty()) {
-        return std::to_string(node_storage_.node_ptc_num(node));
+        return std::to_string(size_t(node_storage_.node_ptc_num(node)));
     }
+    std::string ret;
     for (size_t iptc = 0; iptc < node_ptc_nums_[node].size(); iptc++) {
-        ret += std::to_string(node_ptc_nums_[node][iptc]) + ",";
+        ret += std::to_string(size_t(node_ptc_nums_[node][iptc])) + ",";
     }
     /* Remove the last comma */
     ret.pop_back();

libs/librrgraph/src/base/rr_graph_builder.h

@@ -343,6 +343,11 @@ class RRGraphBuilder {
     inline void resize_nodes(size_t size) {
         node_storage_.resize(size);
     }
+    /** @brief This function resize node ptc nums. Only used by RR graph I/O reader and writers. Do not use for internal builder */
+    inline void resize_node_ptc_nums(size_t size) {
+        node_ptc_nums_.resize(size);
+    }
+
 
     /** @brief This function resize node ptc twist increment; Since it is only used for tileable rr-graph, we don't put it in general resize function*/
     inline void resize_ptc_twist_incr(size_t size){

libs/librrgraph/src/io/rr_graph_uxsdcxx_serializer.h

@@ -880,6 +880,7 @@ class RrGraphSerializer final : public uxsd::RrGraphBase<RrGraphContextTypes> {
      */
     inline void preallocate_rr_nodes_node(void*& /*ctx*/, size_t size) final {
         rr_graph_builder_->reserve_nodes(size);
+        rr_graph_builder_->resize_node_ptc_nums(size);
     }
     inline int add_rr_nodes_node(void*& /*ctx*/, unsigned int capacity, unsigned int id, uxsd::enum_node_type type) final {
         // make_room_in_vector will not allocate if preallocate_rr_nodes_node