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Fixing float overflow during edge-flow computation in 'if' mapper.

This commit is contained in:
Alan Mishchenko 2018-12-12 10:47:53 -08:00
parent d071e02616
commit 2f88284d7b
1 changed files with 7 additions and 3 deletions
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10
src/map/if/ifCut.c
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@ -953,18 +953,22 @@ float If_CutAreaFlow( If_Man_t * p, If_Cut_t * pCut )
float If_CutEdgeFlow( If_Man_t * p, If_Cut_t * pCut )
{
If_Obj_t * pLeaf;
float Flow;
float Flow, AddOn;
int i;
Flow = pCut->nLeaves;
If_CutForEachLeaf( p, pCut, pLeaf, i )
{
if ( pLeaf->nRefs == 0 || If_ObjIsConst1(pLeaf) )
Flow += If_ObjCutBest(pLeaf)->Edge;
AddOn = If_ObjCutBest(pLeaf)->Edge;
else
{
assert( pLeaf->EstRefs > p->fEpsilon );
Flow += If_ObjCutBest(pLeaf)->Edge / pLeaf->EstRefs;
AddOn = If_ObjCutBest(pLeaf)->Edge / pLeaf->EstRefs;
}
if ( Flow >= (float)1e32 || AddOn >= (float)1e32 )
Flow = (float)1e32;
else
Flow += AddOn;
}
return Flow;
}