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Fix(hMetis): Move const to largest index + 1 #430

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Fix(hMetis): Move const to largest index + 1 #430

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13 changes: 11 additions & 2 deletions src/base/io/ioWriteHMetis.c
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Original file line number Diff line number Diff line change
Expand Up @@ -53,15 +53,24 @@ void Io_WriteHMetis( Abc_Ntk_t *pNtk, char *pFileName, int fSkipPo, int fWeightE
{
Vec_Int_t *vHyperEdgeEach = Vec_IntAlloc( 20 );
// push the node itself, which is a source node
Vec_IntPush( vHyperEdgeEach, Abc_ObjId( pObj ) );
// make const node has the id of the maxNodeNum, this is due to the design of 1-index based kahypar
if(Abc_AigNodeIsConst( pObj ))
{
Vec_IntPush( vHyperEdgeEach, Abc_NtkObjNum( pNtk ) );
}
else
{
Vec_IntPush( vHyperEdgeEach, Abc_ObjId( pObj ) );
}
// iterate through all the fanouts(sink) of the node
if ( !Abc_ObjIsCo( pObj ) )
{
Abc_ObjForEachFanout( pObj, pFanout, j )
{
Vec_IntPush( vHyperEdgeEach, Abc_ObjId( pFanout ) );
}
} else
}
else
{
if ( fSkipPo )
{
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