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-rw-r--r--src/opt/dau/dau.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/opt/dau/dau.h b/src/opt/dau/dau.h
index 260d8c7a..df8c8f40 100644
--- a/src/opt/dau/dau.h
+++ b/src/opt/dau/dau.h
@@ -80,6 +80,9 @@ extern unsigned Abc_TtCanonicize( word * pTruth, int nVars, char * pCanonPe
extern unsigned Abc_TtCanonicizePerm( word * pTruth, int nVars, char * pCanonPerm );
extern unsigned Abc_TtCanonicizePhase( word * pTruth, int nVars );
extern int Abc_TtCountOnesInCofsSimple( word * pTruth, int nVars, int * pStore );
+extern unsigned Abc_TtCanonicizeHie(Abc_TtHieMan_t * p, word * pTruth, int nVars, char * pCanonPerm, int fExact );
+extern Abc_TtHieMan_t * Abc_TtHieManStart( int nVars, int nLevels );
+extern void Abc_TtHieManStop(Abc_TtHieMan_t * p );
/*=== dauCount.c ==========================================================*/
extern int Abc_TtCountOnesInCofsQuick( word * pTruth, int nVars, int * pStore );
/*=== dauDsd.c ==========================================================*/