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Experiment with frontier cut computation.

This commit is contained in:
Alan Mishchenko 2019-05-01 20:54:52 +08:00
parent d07608c052
commit eb2764b525
1 changed files with 15 additions and 0 deletions
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15
src/aig/gia/giaUtil.c
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@ -771,6 +771,20 @@ int * Gia_ManCreateMuxRefs( Gia_Man_t * p )
SeeAlso []
***********************************************************************/
Vec_Int_t * Gia_ManBfsForCrossCut( Gia_Man_t * p )
{
Vec_Int_t * vNodes = Vec_IntAlloc( Gia_ManObjNum(p) );
Vec_Vec_t * vLevels = Gia_ManLevelize( p );
Vec_Ptr_t * vObjs;
Gia_Obj_t * pObj;
int i, k;
Vec_VecForEachLevel( vLevels, vObjs, i )
Vec_PtrForEachEntry( Gia_Obj_t *, vObjs, pObj, k )
Vec_IntPush( vNodes, Gia_ObjId(p, pObj) );
Vec_VecFree( vLevels );
return vNodes;
}
void Gia_ManDfsForCrossCut_rec( Gia_Man_t * p, Gia_Obj_t * pObj, Vec_Int_t * vNodes )
{
if ( Gia_ObjIsTravIdCurrent(p, pObj) )
@ -823,6 +837,7 @@ int Gia_ManCrossCut( Gia_Man_t * p, int fReverse )
Gia_Obj_t * pObj;
int i, nCutCur = 0, nCutMax = 0;
vNodes = Gia_ManDfsForCrossCut( p, fReverse );
//vNodes = Gia_ManBfsForCrossCut( p );
Gia_ManForEachObjVec( vNodes, p, pObj, i )
{
if ( pObj->Value )