Changeset 1813 for trunk/Cbc/src/CbcModel.cpp

Timestamp:

Nov 22, 2012 2:00:22 PM (8 years ago)

Author:

forrest

Message:

add random seed setting

File:

• trunk/Cbc/src/CbcModel.cpp (modified) (6 diffs)

trunk/Cbc/src/CbcModel.cpp

@@ -4536 +4536 @@
         maximumWhich_(1000),
         maximumRows_(0),
+        randomSeed_(-1),
         currentDepth_(0),
         whichGenerator_(NULL),
@@ -4693 +4694 @@
         maximumWhich_(1000),
         maximumRows_(0),
+        randomSeed_(-1),
         currentDepth_(0),
         whichGenerator_(NULL),
@@ -4937 +4939 @@
         maximumWhich_(rhs.maximumWhich_),
         maximumRows_(0),
+        randomSeed_(rhs.randomSeed_),
         currentDepth_(0),
         whichGenerator_(NULL),
@@ -5281 +5284 @@
         maximumCutPassesAtRoot_ = rhs.maximumCutPassesAtRoot_;
         maximumCutPasses_ = rhs.maximumCutPasses_;
+        randomSeed_ = rhs.randomSeed_;
         preferredWay_ = rhs.preferredWay_;
         currentPassNumber_ = rhs.currentPassNumber_;
@@ -5687 +5691 @@
     maximumCutPassesAtRoot_ = rhs.maximumCutPassesAtRoot_;
     maximumCutPasses_ =  rhs.maximumCutPasses_;
+    randomSeed_ = rhs.randomSeed_;
     preferredWay_ = rhs.preferredWay_;
     resolveAfterTakeOffCuts_ = rhs.resolveAfterTakeOffCuts_;
@@ -5981 +5986 @@
         heuristic_[where]->setHeuristicName(name) ;
     heuristic_[where]->setSeed(987654321 + where);
+    if (randomSeed_!=-1)
+      heuristic_[where]->setSeed(randomSeed_);
     numberHeuristics_++ ;
 }