1 files changed, 6 insertions, 0 deletions
diff --git a/src/sat/satoko/solver.h b/src/sat/satoko/solver.h
index 68cc97dc..33f8ce88 100644
--- a/src/sat/satoko/solver.h
+++ b/src/sat/satoko/solver.h
@@ -95,6 +95,7 @@ struct solver_t_ {
     /* Bookmark */
     unsigned book_cl_orig; /* Bookmark for orignal problem clauses vector */
     unsigned book_cl_lrnt; /* Bookmark for learnt clauses vector */
+    unsigned book_cdb;     /* Bookmark clause database size */
     unsigned book_vars;    /* Bookmark number of variables */
     unsigned book_trail;   /* Bookmark trail size */
 
@@ -132,6 +133,11 @@ static inline char var_value(solver_t *s, unsigned var)
     return vec_char_at(s->assigns, var);
 }
 
+static inline char var_polarity(solver_t *s, unsigned var)
+{
+    return vec_char_at(s->polarity, var);
+}
+
 static inline unsigned var_dlevel(solver_t *s, unsigned var)
 {
     return vec_uint_at(s->levels, var);