Changed the sense of the < operator for heap: it is reversed according to the stl where highest score elements must float in the heap
Completed TimeBudget Termination condition. Parametrized the ClearHeap procedure now there is a HeapSimplexRatio param. Removed dirty printf.
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@ -22,6 +22,9 @@
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****************************************************************************/
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/****************************************************************************
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$Log: not supported by cvs2svn $
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Revision 1.14 2005/04/14 11:34:33 ponchio
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*** empty log message ***
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Revision 1.13 2005/01/19 10:33:50 cignoni
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Improved ClearHeap management
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@ -132,7 +135,7 @@ template<class MeshType>
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class LocalOptimization
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{
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public:
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LocalOptimization(MeshType &mm): m(mm){ ClearTermination();e=0.0;}
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LocalOptimization(MeshType &mm): m(mm){ ClearTermination();e=0.0;HeapSimplexRatio=5;}
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struct HeapElem;
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// scalar type
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@ -162,12 +165,16 @@ public:
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nTargetSimplices,
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nTargetVertices;
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int timeBudget,
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start;
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float
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currMetric,
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float timeBudget;
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int start;
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float currMetric,
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targetMetric;
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// The ratio between Heap size and the number of simplices in the current mesh
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// When this value is exceeded a ClearHeap Start;
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float HeapSimplexRatio;
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void SetTerminationFlag (int v){tf |= v;}
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void ClearTerminationFlag (int v){tf &= ~v;}
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bool IsTerminationFlag (int v){return ((tf & v)!=0);}
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@ -221,7 +228,7 @@ public:
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/// usually we mean priority as an error so we should invert the comparison
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inline const bool operator <(const HeapElem & h) const
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{
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return (pri < h.pri);
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return (pri > h.pri);
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//return (locModPtr->Priority() < h.locModPtr->Priority());
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}
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@ -249,10 +256,11 @@ public:
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nPerfmormedOps =0;
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while( !GoalReached() && !h.empty())
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{
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if(h.size()> m.fn*5 ) ClearHeap();
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if(h.size()> m.SimplexNumber()*HeapSimplexRatio ) ClearHeap();
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std::pop_heap(h.begin(),h.end());
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LocModPtrType locMod = h.back().locModPtr;
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h.pop_back();
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currMetric=h.back().pri;
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h.pop_back();
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if( locMod->IsUpToDate() )
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{
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@ -288,7 +296,7 @@ void ClearHeap()
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--hi;
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}
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}
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printf("\nReduced heap from %7i to %7i (fn %7i) ",sz,h.size(),m.fn);
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//printf("\nReduced heap from %7i to %7i (fn %7i) ",sz,h.size(),m.fn);
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make_heap(h.begin(),h.end());
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}
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