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-rw-r--r--src/opt/sbd/sbdCnf.c4
-rw-r--r--src/opt/sfm/sfmCnf.c4
2 files changed, 4 insertions, 4 deletions
diff --git a/src/opt/sbd/sbdCnf.c b/src/opt/sbd/sbdCnf.c
index 6291baed..8705858e 100644
--- a/src/opt/sbd/sbdCnf.c
+++ b/src/opt/sbd/sbdCnf.c
@@ -44,7 +44,7 @@ ABC_NAMESPACE_IMPL_START
***********************************************************************/
void Sbd_PrintCnf( Vec_Str_t * vCnf )
{
- char Entry;
+ signed char Entry;
int i, Lit;
Vec_StrForEachEntry( vCnf, Entry, i )
{
@@ -121,7 +121,7 @@ int Sbd_TruthToCnf( word Truth, int nVars, Vec_Int_t * vCover, Vec_Str_t * vCnf
void Sbd_TranslateCnf( Vec_Wec_t * vRes, Vec_Str_t * vCnf, Vec_Int_t * vFaninMap, int iPivotVar )
{
Vec_Int_t * vClause;
- char Entry;
+ signed char Entry;
int i, Lit;
Vec_WecClear( vRes );
vClause = Vec_WecPushLevel( vRes );
diff --git a/src/opt/sfm/sfmCnf.c b/src/opt/sfm/sfmCnf.c
index 0ab92258..b4dd11f8 100644
--- a/src/opt/sfm/sfmCnf.c
+++ b/src/opt/sfm/sfmCnf.c
@@ -45,7 +45,7 @@ ABC_NAMESPACE_IMPL_START
***********************************************************************/
void Sfm_PrintCnf( Vec_Str_t * vCnf )
{
- char Entry;
+ signed char Entry;
int i, Lit;
Vec_StrForEachEntry( vCnf, Entry, i )
{
@@ -153,7 +153,7 @@ Vec_Wec_t * Sfm_CreateCnf( Sfm_Ntk_t * p )
void Sfm_TranslateCnf( Vec_Wec_t * vRes, Vec_Str_t * vCnf, Vec_Int_t * vFaninMap, int iPivotVar )
{
Vec_Int_t * vClause;
- char Entry;
+ signed char Entry;
int i, Lit;
Vec_WecClear( vRes );
vClause = Vec_WecPushLevel( vRes );