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-rw-r--r--src/aig/kit/kit.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/aig/kit/kit.h b/src/aig/kit/kit.h
index 06a93cf0..23e3ce8d 100644
--- a/src/aig/kit/kit.h
+++ b/src/aig/kit/kit.h
@@ -564,6 +564,7 @@ extern void Kit_TruthCofactor0( unsigned * pTruth, int nVars, int iVa
extern void Kit_TruthCofactor1( unsigned * pTruth, int nVars, int iVar );
extern void Kit_TruthCofactor0New( unsigned * pOut, unsigned * pIn, int nVars, int iVar );
extern void Kit_TruthCofactor1New( unsigned * pOut, unsigned * pIn, int nVars, int iVar );
+extern int Kit_TruthVarIsVacuous( unsigned * pOnset, unsigned * pOffset, int nVars, int iVar );
extern void Kit_TruthExist( unsigned * pTruth, int nVars, int iVar );
extern void Kit_TruthExistNew( unsigned * pRes, unsigned * pTruth, int nVars, int iVar );
extern void Kit_TruthExistSet( unsigned * pRes, unsigned * pTruth, int nVars, unsigned uMask );