diff options
| -rw-r--r-- | src/opt/sfm/sfmWin.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/opt/sfm/sfmWin.c b/src/opt/sfm/sfmWin.c index e39516b1..9f91c936 100644 --- a/src/opt/sfm/sfmWin.c +++ b/src/opt/sfm/sfmWin.c @@ -201,8 +201,8 @@ static inline int Sfm_NtkCheckRoot( Sfm_Ntk_t * p, int iNode, int nLevelMax ) { int i, iFanout; // the node is the root if one of the following is true: - // (1) the node has more than fanouts than the limit - if ( Sfm_ObjFanoutNum(p, iNode) > p->pPars->nFanoutMax ) + // (1) the node has more than fanouts than the limit or has no fanouts (should not happen in general) + if ( Sfm_ObjFanoutNum(p, iNode) == 0 || Sfm_ObjFanoutNum(p, iNode) > p->pPars->nFanoutMax ) return 1; // (2) the node has CO fanouts // (3) the node has fanouts above the cutoff level |