diff options
Diffstat (limited to 'src/prop/sat_solver.h')
| -rw-r--r-- | src/prop/sat_solver.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/prop/sat_solver.h b/src/prop/sat_solver.h index 898709c43..2865f2cb5 100644 --- a/src/prop/sat_solver.h +++ b/src/prop/sat_solver.h @@ -46,6 +46,12 @@ public: /** Create a new boolean variable in the solver. */ virtual SatVariable newVar(bool theoryAtom = false) = 0; + /** Create a new (or return an existing) boolean variable representing the constant true */ + virtual SatVariable trueVar() = 0; + + /** Create a new (or return an existing) boolean variable representing the constant false */ + virtual SatVariable falseVar() = 0; + /** Check the satisfiability of the added clauses */ virtual SatValue solve() = 0; |