More debugging support

src/pex/pex/gsiDeclRExtractor.cc

@@ -400,16 +400,19 @@ Class<pex::RNetwork> decl_RNetwork ("pex", "RNetwork",
   "This class has been introduced in version 0.30.1\n"
 );
 
-static pex::RExtractor *new_sqc_rextractor (double dbu)
+static pex::RExtractor *new_sqc_rextractor (double dbu, bool skip_simplify)
 {
-  return new pex::SquareCountingRExtractor (dbu);
+  auto res = new pex::SquareCountingRExtractor (dbu);
+  res->set_skip_simplfy (skip_simplify);
+  return res;
 }
 
-static pex::RExtractor *new_tesselation_rextractor (double dbu, double min_b, double max_area)
+static pex::RExtractor *new_tesselation_rextractor (double dbu, double min_b, double max_area, bool skip_reduction)
 {
   auto res = new pex::TriangulationRExtractor (dbu);
   res->triangulation_parameters ().min_b = min_b;
   res->triangulation_parameters ().max_area = max_area;
+  res->set_skip_reduction (skip_reduction);
   return res;
 }
 
@@ -421,7 +424,7 @@ static pex::RNetwork *extract_ipolygon (pex::RExtractor *rex, const db::Polygon
 }
 
 Class<pex::RExtractor> decl_RExtractor ("pex", "RExtractor",
-  gsi::constructor ("square_counting_extractor", &new_sqc_rextractor, gsi::arg ("dbu"),
+  gsi::constructor ("square_counting_extractor", &new_sqc_rextractor, gsi::arg ("dbu"), gsi::arg ("skip_simplify", false),
     "@brief Creates a square counting R extractor\n"
     "The square counting extractor extracts resistances from a polygon with ports using the following approach:\n"
     "\n"
@@ -440,9 +443,10 @@ Class<pex::RExtractor> decl_RExtractor ("pex", "RExtractor",
     "values, multiply the element resistance values by the sheet resistance.\n"
     "\n"
     "@param dbu The database unit of the polygons the extractor will work on\n"
+    "@param skip_simplify If true, the final step to simplify the netlist will be skipped. This feature is for testing mainly.\n"
     "@return A new \\RExtractor object that implements the square counting extractor\n"
   ) +
-  gsi::constructor ("tesselation_extractor", &new_tesselation_rextractor, gsi::arg ("dbu"), gsi::arg ("min_b", 0.3), gsi::arg ("max_area", 0.0),
+  gsi::constructor ("tesselation_extractor", &new_tesselation_rextractor, gsi::arg ("dbu"), gsi::arg ("min_b", 0.3), gsi::arg ("max_area", 0.0), gsi::arg ("skip_reduction", false),
     "@brief Creates a tesselation R extractor\n"
     "The tesselation extractor starts with a triangulation of the original polygon. The triangulation is "
     "turned into a resistor network and simplified.\n"
@@ -464,6 +468,7 @@ Class<pex::RExtractor> decl_RExtractor ("pex", "RExtractor",
     "@param dbu The database unit of the polygons the extractor will work on\n"
     "@param min_b Defines the min 'b' value of the refined Delaunay triangulation (see \\Polygon#delaunay)\n"
     "@param max_area Defines maximum area value of the refined Delaunay triangulation (see \\Polygon#delaunay). The value is given in square micrometer units.\n"
+    "@param skip_reduction If true, the reduction step for the netlist will be skipped. This feature is for testing mainly. The resulting R graph will contain all the original triangles and the internal nodes representing the vertexes.\n"
     "@return A new \\RExtractor object that implements the square counting extractor\n"
   ) +
   gsi::factory_ext ("extract", &extract_ipolygon, gsi::arg ("polygon"), gsi::arg ("vertex_ports", std::vector<db::Point> (), "[]"), gsi::arg ("polygon_ports", std::vector<db::Polygon> (), "[]"),

src/pex/pex/pexSquareCountingRExtractor.cc

@@ -71,6 +71,7 @@ struct JoinEdgeSets
 SquareCountingRExtractor::SquareCountingRExtractor (double dbu)
 {
   m_dbu = dbu;
+  m_skip_simplify = false;
 
   m_decomp_param.split_edges = true;
   m_decomp_param.with_segments = false;
@@ -162,8 +163,7 @@ SquareCountingRExtractor::do_extract (const db::Polygon &db_poly, const std::vec
       ++em;
     }
 
-    //  @@@ TODO: multiply with sheet rho!
-    //  @@@ TODO: width dependency
+    //  TODO: width dependency?
     if (r == 0) {
       rnetwork.create_element (pex::RElement::short_value (), pl->second, pl_next->second);
     } else {
@@ -292,7 +292,9 @@ SquareCountingRExtractor::extract (const db::Polygon &polygon, const std::vector
 
   }
 
-  rnetwork.simplify ();
+  if (! m_skip_simplify) {
+    rnetwork.simplify ();
+  }
 }
 
 }

src/pex/pex/pexSquareCountingRExtractor.h

@@ -64,6 +64,22 @@ public:
     return m_decomp_param;
   }
 
+  /**
+   *  @brief Sets a value indicating whether to skip the simplify step
+   */
+  void set_skip_simplfy (bool f)
+  {
+    m_skip_simplify = f;
+  }
+
+  /**
+   *  @brief Gets a value indicating whether to skip the simplify step
+   */
+  bool skip_simplify () const
+  {
+    return m_skip_simplify;
+  }
+
   /**
    *  @brief Sets the database unit
    */
@@ -129,6 +145,7 @@ protected:
 private:
   db::plc::ConvexDecompositionParameters m_decomp_param;
   double m_dbu;
+  bool m_skip_simplify;
 };
 
 }

src/pex/pex/pexTriangulationRExtractor.cc

@@ -32,6 +32,7 @@ namespace pex
 TriangulationRExtractor::TriangulationRExtractor (double dbu)
 {
   m_dbu = dbu;
+  m_skip_reduction = false;
 
   m_tri_param.min_b = 0.3;
   m_tri_param.max_area = 0.0;
@@ -206,7 +207,9 @@ TriangulationRExtractor::extract (const db::Polygon &polygon, const std::vector<
 
   //  eliminate internal nodes
 
-  eliminate_all (rnetwork);
+  if (! m_skip_reduction) {
+    eliminate_all (rnetwork);
+  }
 }
 
 void

src/pex/pex/pexTriangulationRExtractor.h

@@ -65,6 +65,22 @@ public:
     return m_tri_param;
   }
 
+  /**
+   *  @brief Sets a value indicating whether to skip the reduction step
+   */
+  void set_skip_reduction (bool f)
+  {
+    m_skip_reduction = f;
+  }
+
+  /**
+   *  @brief Gets a value indicating whether to skip the reduction step
+   */
+  bool skip_reduction () const
+  {
+    return m_skip_reduction;
+  }
+
   /**
    *  @brief Sets the database unit
    */
@@ -89,6 +105,7 @@ public:
 private:
   db::plc::TriangulationParameters m_tri_param;
   double m_dbu;
+  bool m_skip_reduction;
 
   void create_conductances (const db::plc::Polygon &tri, const std::unordered_map<const db::plc::Vertex *, RNode *> &vertex2node, RNetwork &rnetwork);
   void eliminate_node (pex::RNode *node, RNetwork &rnetwork);