make the Rectangles parameter to generateXConstraints const

This no longer needs to be mutable.

diff --git a/lib/vpsc/generate-constraints.cpp b/lib/vpsc/generate-constraints.cpp
index 7349bf57193db719bc89cadbcfd4422d10e91465..5c905898774b7599dd436d375597703241eea4be 100644 (file)
--- a/lib/vpsc/generate-constraints.cpp
+++ b/lib/vpsc/generate-constraints.cpp
@@ -139,7 +139,7 @@ static bool compare_events(const Event &ea, const Event &eb) {
  * useNeighbourLists determines whether or not a heuristic is used to deciding whether to resolve
  * all overlap in the x pass, or leave some overlaps for the y pass.
  */
-int generateXConstraints(vector<Rectangle*> &rs, Variable** vars,
+int generateXConstraints(const vector<Rectangle*> &rs, Variable** vars,
          Constraint** &cs, const bool useNeighbourLists) {
 
        vector<Event> events;

diff --git a/lib/vpsc/generate-constraints.h b/lib/vpsc/generate-constraints.h
index 1b22d4a363b75238dcb2bdc793781d0c85a9bf71..ef1e1c70f53a77447ed577c4b140ba50ff337152 100644 (file)
--- a/lib/vpsc/generate-constraints.h
+++ b/lib/vpsc/generate-constraints.h
@@ -77,7 +77,7 @@ struct Variable;
 struct Constraint;
 
 // returns number of constraints generated
-int generateXConstraints(std::vector<Rectangle*> &rs, Variable** vars,
+int generateXConstraints(const std::vector<Rectangle*> &rs, Variable** vars,
        Constraint** &cs, const bool useNeighbourLists);
 int generateYConstraints(std::vector<Rectangle*> &rs, Variable** vars,
        Constraint** &cs);