diff options
Diffstat (limited to 'src/sat/bsat/satSolver2.h')
| -rw-r--r-- | src/sat/bsat/satSolver2.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/sat/bsat/satSolver2.h b/src/sat/bsat/satSolver2.h index 1682ab6e..f2cc1552 100644 --- a/src/sat/bsat/satSolver2.h +++ b/src/sat/bsat/satSolver2.h @@ -99,7 +99,8 @@ struct sat_solver2_t #else int var_inc; // Amount to bump next variable with. int cla_inc; // Amount to bump next clause with. - unsigned* activity; // A heuristic measurement of the activity of a variable. + unsigned* activity; // A heuristic measurement of the activity of a variable + unsigned* activity2; // backup variable activity #endif int nUnits; // the total number of unit clauses @@ -240,6 +241,8 @@ static inline void sat_solver2_bookmark(sat_solver2* s) if ( s->pPrf1 ) s->hProofPivot = Vec_SetHandCurrent(s->pPrf1); Sat_MemBookMark( &s->Mem ); + if ( s->activity2 ) + memcpy( s->activity2, s->activity, sizeof(unsigned) * s->iVarPivot ); } static inline int sat_solver2_add_const( sat_solver2 * pSat, int iVar, int fCompl, int fMark, int Id ) |