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Diffstat (limited to 'src/proof/int/intDup.c')
| -rw-r--r-- | src/proof/int/intDup.c | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/src/proof/int/intDup.c b/src/proof/int/intDup.c new file mode 100644 index 00000000..551473ef --- /dev/null +++ b/src/proof/int/intDup.c @@ -0,0 +1,184 @@ +/**CFile**************************************************************** + + FileName [intDup.c] + + SystemName [ABC: Logic synthesis and verification system.] + + PackageName [Interpolation engine.] + + Synopsis [Specialized AIG duplication procedures.] + + Author [Alan Mishchenko] + + Affiliation [UC Berkeley] + + Date [Ver. 1.0. Started - June 24, 2008.] + + Revision [$Id: intDup.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $] + +***********************************************************************/ + +#include "intInt.h" + +ABC_NAMESPACE_IMPL_START + + +//////////////////////////////////////////////////////////////////////// +/// DECLARATIONS /// +//////////////////////////////////////////////////////////////////////// + +//////////////////////////////////////////////////////////////////////// +/// FUNCTION DEFINITIONS /// +//////////////////////////////////////////////////////////////////////// + +/**Function************************************************************* + + Synopsis [Create trivial AIG manager for the init state.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +Aig_Man_t * Inter_ManStartInitState( int nRegs ) +{ + Aig_Man_t * p; + Aig_Obj_t * pRes; + Aig_Obj_t ** ppInputs; + int i; + assert( nRegs > 0 ); + ppInputs = ABC_ALLOC( Aig_Obj_t *, nRegs ); + p = Aig_ManStart( nRegs ); + for ( i = 0; i < nRegs; i++ ) + ppInputs[i] = Aig_Not( Aig_ObjCreatePi(p) ); + pRes = Aig_Multi( p, ppInputs, nRegs, AIG_OBJ_AND ); + Aig_ObjCreatePo( p, pRes ); + ABC_FREE( ppInputs ); + return p; +} + +/**Function************************************************************* + + Synopsis [Duplicate the AIG w/o POs.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +Aig_Man_t * Inter_ManStartDuplicated( Aig_Man_t * p ) +{ + Aig_Man_t * pNew; + Aig_Obj_t * pObj; + int i; + assert( Aig_ManRegNum(p) > 0 ); + // create the new manager + pNew = Aig_ManStart( Aig_ManObjNumMax(p) ); + pNew->pName = Abc_UtilStrsav( p->pName ); + pNew->pSpec = Abc_UtilStrsav( p->pSpec ); + // create the PIs + Aig_ManCleanData( p ); + Aig_ManConst1(p)->pData = Aig_ManConst1(pNew); + Aig_ManForEachPi( p, pObj, i ) + pObj->pData = Aig_ObjCreatePi( pNew ); + // set registers + pNew->nTruePis = p->nTruePis; + pNew->nTruePos = Saig_ManConstrNum(p); + pNew->nRegs = p->nRegs; + // duplicate internal nodes + Aig_ManForEachNode( p, pObj, i ) + pObj->pData = Aig_And( pNew, Aig_ObjChild0Copy(pObj), Aig_ObjChild1Copy(pObj) ); + + // create constraint outputs + Saig_ManForEachPo( p, pObj, i ) + { + if ( i < Saig_ManPoNum(p)-Saig_ManConstrNum(p) ) + continue; + Aig_ObjCreatePo( pNew, Aig_Not( Aig_ObjChild0Copy(pObj) ) ); + } + + // create register inputs with MUXes + Saig_ManForEachLi( p, pObj, i ) + Aig_ObjCreatePo( pNew, Aig_ObjChild0Copy(pObj) ); + Aig_ManCleanup( pNew ); + return pNew; +} + +/**Function************************************************************* + + Synopsis [Duplicate the AIG w/o POs and transforms to transit into init state.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +Aig_Man_t * Inter_ManStartOneOutput( Aig_Man_t * p, int fAddFirstPo ) +{ + Aig_Man_t * pNew; + Aig_Obj_t * pObj, * pObjLi, * pObjLo; + Aig_Obj_t * pCtrl = NULL; // Suppress "might be used uninitialized" + int i; + assert( Aig_ManRegNum(p) > 0 ); + // create the new manager + pNew = Aig_ManStart( Aig_ManObjNumMax(p) ); + pNew->pName = Abc_UtilStrsav( p->pName ); + pNew->pSpec = Abc_UtilStrsav( p->pSpec ); + // create the PIs + Aig_ManCleanData( p ); + Aig_ManConst1(p)->pData = Aig_ManConst1(pNew); + Aig_ManForEachPi( p, pObj, i ) + { + if ( i == Saig_ManPiNum(p) ) + pCtrl = Aig_ObjCreatePi( pNew ); + pObj->pData = Aig_ObjCreatePi( pNew ); + } + // set registers + pNew->nRegs = fAddFirstPo? 0 : p->nRegs; + pNew->nTruePis = fAddFirstPo? Aig_ManPiNum(p) + 1 : p->nTruePis + 1; + pNew->nTruePos = fAddFirstPo + Saig_ManConstrNum(p); + // duplicate internal nodes + Aig_ManForEachNode( p, pObj, i ) + pObj->pData = Aig_And( pNew, Aig_ObjChild0Copy(pObj), Aig_ObjChild1Copy(pObj) ); + + // create constraint outputs + Saig_ManForEachPo( p, pObj, i ) + { + if ( i < Saig_ManPoNum(p)-Saig_ManConstrNum(p) ) + continue; + Aig_ObjCreatePo( pNew, Aig_Not( Aig_ObjChild0Copy(pObj) ) ); + } + + // add the PO + if ( fAddFirstPo ) + { + pObj = Aig_ManPo( p, 0 ); + Aig_ObjCreatePo( pNew, Aig_ObjChild0Copy(pObj) ); + } + else + { + // create register inputs with MUXes + Saig_ManForEachLiLo( p, pObjLi, pObjLo, i ) + { + pObj = Aig_Mux( pNew, pCtrl, (Aig_Obj_t *)pObjLo->pData, Aig_ObjChild0Copy(pObjLi) ); + // pObj = Aig_Mux( pNew, pCtrl, Aig_ManConst0(pNew), Aig_ObjChild0Copy(pObjLi) ); + Aig_ObjCreatePo( pNew, pObj ); + } + } + Aig_ManCleanup( pNew ); + return pNew; +} + +//////////////////////////////////////////////////////////////////////// +/// END OF FILE /// +//////////////////////////////////////////////////////////////////////// + + +ABC_NAMESPACE_IMPL_END + |