diff options
Diffstat (limited to 'src/aig/gia/giaFx.c')
| -rw-r--r-- | src/aig/gia/giaFx.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/aig/gia/giaFx.c b/src/aig/gia/giaFx.c index 73a8cf5c..4fff177c 100644 --- a/src/aig/gia/giaFx.c +++ b/src/aig/gia/giaFx.c @@ -282,7 +282,7 @@ Vec_Int_t * Gia_ManFxTopoOrder( Vec_Wec_t * vCubes, int nInputs, int nStart, Vec // quit if there is no new nodes if ( nNodeMax == nStart ) { - printf( "The network is unchanged by fast extract.\n" ); + //printf( "The network is unchanged by fast extract.\n" ); return NULL; } // find first cube and how many cubes @@ -459,6 +459,8 @@ Gia_Man_t * Gia_ManPerformFx( Gia_Man_t * p, int nNewNodesMax, int LitCountMax, Gia_Man_t * pNew = NULL; Vec_Wec_t * vCubes; Vec_Str_t * vCompl; + if ( Gia_ManAndNum(p) == 0 ) + return Gia_ManDup(p); // abctime clk; assert( Gia_ManHasMapping(p) ); // collect information |