diff options
Diffstat (limited to 'src/aig/cnf/cnfMan.c')
-rw-r--r-- | src/aig/cnf/cnfMan.c | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/src/aig/cnf/cnfMan.c b/src/aig/cnf/cnfMan.c deleted file mode 100644 index 1edc012a..00000000 --- a/src/aig/cnf/cnfMan.c +++ /dev/null @@ -1,202 +0,0 @@ -/**CFile**************************************************************** - - FileName [cnfMan.c] - - SystemName [ABC: Logic synthesis and verification system.] - - PackageName [AIG-to-CNF conversion.] - - Synopsis [] - - Author [Alan Mishchenko] - - Affiliation [UC Berkeley] - - Date [Ver. 1.0. Started - April 28, 2007.] - - Revision [$Id: cnfMan.c,v 1.00 2007/04/28 00:00:00 alanmi Exp $] - -***********************************************************************/ - -#include "cnf.h" -#include "satSolver.h" - -//////////////////////////////////////////////////////////////////////// -/// DECLARATIONS /// -//////////////////////////////////////////////////////////////////////// - -static inline int Cnf_Lit2Var( int Lit ) { return (Lit & 1)? -(Lit >> 1)-1 : (Lit >> 1)+1; } -static inline int Cnf_Lit2Var2( int Lit ) { return (Lit & 1)? -(Lit >> 1) : (Lit >> 1); } - -//////////////////////////////////////////////////////////////////////// -/// FUNCTION DEFINITIONS /// -//////////////////////////////////////////////////////////////////////// - -/**Function************************************************************* - - Synopsis [Starts the fraiging manager.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -Cnf_Man_t * Cnf_ManStart() -{ - Cnf_Man_t * p; - int i; - // allocate the manager - p = ALLOC( Cnf_Man_t, 1 ); - memset( p, 0, sizeof(Cnf_Man_t) ); - // derive internal data structures - Cnf_ReadMsops( &p->pSopSizes, &p->pSops ); - // allocate memory manager for cuts - p->pMemCuts = Aig_MmFlexStart(); - p->nMergeLimit = 10; - // allocate temporary truth tables - p->pTruths[0] = ALLOC( unsigned, 4 * Aig_TruthWordNum(p->nMergeLimit) ); - for ( i = 1; i < 4; i++ ) - p->pTruths[i] = p->pTruths[i-1] + Aig_TruthWordNum(p->nMergeLimit); - p->vMemory = Vec_IntAlloc( 1 << 18 ); - return p; -} - -/**Function************************************************************* - - Synopsis [Stops the fraiging manager.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -void Cnf_ManStop( Cnf_Man_t * p ) -{ - Vec_IntFree( p->vMemory ); - free( p->pTruths[0] ); - Aig_MmFlexStop( p->pMemCuts, 0 ); - free( p->pSopSizes ); - free( p->pSops[1] ); - free( p->pSops ); - free( p ); -} - -/**Function************************************************************* - - Synopsis [Returns the array of CI IDs.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -Vec_Int_t * Cnf_DataCollectPiSatNums( Cnf_Dat_t * pCnf, Aig_Man_t * p ) -{ - Vec_Int_t * vCiIds; - Aig_Obj_t * pObj; - int i; - vCiIds = Vec_IntAlloc( Aig_ManPiNum(p) ); - Aig_ManForEachPi( p, pObj, i ) - Vec_IntPush( vCiIds, pCnf->pVarNums[pObj->Id] ); - return vCiIds; -} - -/**Function************************************************************* - - Synopsis [] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -void Cnf_DataFree( Cnf_Dat_t * p ) -{ - if ( p == NULL ) - return; - free( p->pClauses[0] ); - free( p->pClauses ); - free( p->pVarNums ); - free( p ); -} - -/**Function************************************************************* - - Synopsis [Writes CNF into a file.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -void Cnf_DataWriteIntoFile( Cnf_Dat_t * p, char * pFileName, int fReadable ) -{ - FILE * pFile; - int * pLit, * pStop, i; - pFile = fopen( pFileName, "w" ); - if ( pFile == NULL ) - { - printf( "Cnf_WriteIntoFile(): Output file cannot be opened.\n" ); - return; - } - fprintf( pFile, "c Result of efficient AIG-to-CNF conversion using package CNF\n" ); - fprintf( pFile, "p %d %d\n", p->nVars, p->nClauses ); - for ( i = 0; i < p->nClauses; i++ ) - { - for ( pLit = p->pClauses[i], pStop = p->pClauses[i+1]; pLit < pStop; pLit++ ) - fprintf( pFile, "%d ", fReadable? Cnf_Lit2Var2(*pLit) : Cnf_Lit2Var(*pLit) ); - fprintf( pFile, "0\n" ); - } - fprintf( pFile, "\n" ); - fclose( pFile ); -} - -/**Function************************************************************* - - Synopsis [Writes CNF into a file.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -void * Cnf_DataWriteIntoSolver( Cnf_Dat_t * p ) -{ - sat_solver * pSat; - int i, status; - pSat = sat_solver_new(); - sat_solver_setnvars( pSat, p->nVars ); - for ( i = 0; i < p->nClauses; i++ ) - { - if ( !sat_solver_addclause( pSat, p->pClauses[i], p->pClauses[i+1] ) ) - { - sat_solver_delete( pSat ); - return NULL; - } - } - status = sat_solver_simplify(pSat); - if ( status == 0 ) - { - sat_solver_delete( pSat ); - return NULL; - } - return pSat; -} - -//////////////////////////////////////////////////////////////////////// -/// END OF FILE /// -//////////////////////////////////////////////////////////////////////// - - |