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| author | Alan Mishchenko <alanmi@berkeley.edu> | 2017-07-01 13:48:31 -0700 |
|---|---|---|
| committer | Alan Mishchenko <alanmi@berkeley.edu> | 2017-07-01 13:48:31 -0700 |
| commit | bf6a053c648576c1e5493f2d5390eb78b2e3df1c (patch) | |
| tree | 19c0e561e0d56178c40bb1030ccd738fa5455501 /src/map/if | |
| parent | a1dd7e3fb04660e025f8cb37eb2636d3d700c3ac (diff) | |
| download | abc-bf6a053c648576c1e5493f2d5390eb78b2e3df1c.tar.gz abc-bf6a053c648576c1e5493f2d5390eb78b2e3df1c.tar.bz2 abc-bf6a053c648576c1e5493f2d5390eb78b2e3df1c.zip | |
Saturating floating point computation.
Diffstat (limited to 'src/map/if')
| -rw-r--r-- | src/map/if/ifCut.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/map/if/ifCut.c b/src/map/if/ifCut.c index 9b8d75ad..667a21c5 100644 --- a/src/map/if/ifCut.c +++ b/src/map/if/ifCut.c @@ -919,18 +919,22 @@ void If_CutLift( If_Cut_t * pCut ) float If_CutAreaFlow( If_Man_t * p, If_Cut_t * pCut ) { If_Obj_t * pLeaf; - float Flow; + float Flow, AddOn; int i; Flow = If_CutLutArea(p, pCut); If_CutForEachLeaf( p, pCut, pLeaf, i ) { if ( pLeaf->nRefs == 0 || If_ObjIsConst1(pLeaf) ) - Flow += If_ObjCutBest(pLeaf)->Area; + AddOn = If_ObjCutBest(pLeaf)->Area; else { assert( pLeaf->EstRefs > p->fEpsilon ); - Flow += If_ObjCutBest(pLeaf)->Area / pLeaf->EstRefs; + AddOn = If_ObjCutBest(pLeaf)->Area / pLeaf->EstRefs; } + if ( Flow >= (float)1e32 || AddOn >= (float)1e32 ) + Flow = (float)1e32; + else + Flow += AddOn; } return Flow; } |