/**CFile**************************************************************** FileName [fraig.h] PackageName [FRAIG: Functionally reduced AND-INV graphs.] Synopsis [External declarations of the FRAIG package.] Author [Alan Mishchenko ] Affiliation [UC Berkeley] Date [Ver. 2.0. Started - October 1, 2004] Revision [$Id: fraig.h,v 1.18 2005/07/08 01:01:30 alanmi Exp $] ***********************************************************************/ #ifndef __FRAIG_H__ #define __FRAIG_H__ #ifdef __cplusplus extern "C" { #endif //////////////////////////////////////////////////////////////////////// /// INCLUDES /// //////////////////////////////////////////////////////////////////////// #ifndef SINT64 #define SINT64 #ifdef _WIN32 typedef signed __int64 sint64; // compatible with MS VS 6.0 #else typedef long long sint64; #endif #endif //////////////////////////////////////////////////////////////////////// /// PARAMETERS /// //////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////// /// STRUCTURE DEFINITIONS /// //////////////////////////////////////////////////////////////////////// typedef struct Fraig_ManStruct_t_ Fraig_Man_t; typedef struct Fraig_NodeStruct_t_ Fraig_Node_t; typedef struct Fraig_NodeVecStruct_t_ Fraig_NodeVec_t; typedef struct Fraig_HashTableStruct_t_ Fraig_HashTable_t; typedef struct Fraig_ParamsStruct_t_ Fraig_Params_t; typedef struct Fraig_PatternsStruct_t_ Fraig_Patterns_t; typedef struct Prove_ParamsStruct_t_ Prove_Params_t; struct Fraig_ParamsStruct_t_ { int nPatsRand; // the number of words of random simulation info int nPatsDyna; // the number of words of dynamic simulation info int nBTLimit; // the max number of backtracks to perform int nSeconds; // the timeout for the final proof int fFuncRed; // performs only one level hashing int fFeedBack; // enables solver feedback int fDist1Pats; // enables distance-1 patterns int fDoSparse; // performs equiv tests for sparse functions int fChoicing; // enables recording structural choices int fTryProve; // tries to solve the final miter int fVerbose; // the verbosiness flag int fVerboseP; // the verbosiness flag (for proof reporting) int fInternal; // is set to 1 for internal fraig calls int nConfLimit; // the limit on the number of conflicts sint64 nInspLimit; // the limit on the number of inspections }; struct Prove_ParamsStruct_t_ { // general parameters int fUseFraiging; // enables fraiging int fUseRewriting; // enables rewriting int fUseBdds; // enables BDD construction when other methods fail int fVerbose; // prints verbose stats // iterations int nItersMax; // the number of iterations // mitering int nMiteringLimitStart; // starting mitering limit float nMiteringLimitMulti; // multiplicative coefficient to increase the limit in each iteration // rewriting int nRewritingLimitStart; // the number of rewriting iterations float nRewritingLimitMulti; // multiplicative coefficient to increase the limit in each iteration // fraiging int nFraigingLimitStart; // starting backtrack(conflict) limit float nFraigingLimitMulti; // multiplicative coefficient to increase the limit in each iteration // last-gasp BDD construction int nBddSizeLimit; // the number of BDD nodes when construction is aborted int fBddReorder; // enables dynamic BDD variable reordering // last-gasp mitering int nMiteringLimitLast; // final mitering limit // global SAT solver limits sint64 nTotalBacktrackLimit; // global limit on the number of backtracks sint64 nTotalInspectLimit; // global limit on the number of clause inspects // global resources applied sint64 nTotalBacktracksMade; // the total number of backtracks made sint64 nTotalInspectsMade; // the total number of inspects made }; //////////////////////////////////////////////////////////////////////// /// GLOBAL VARIABLES /// //////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////// /// MACRO DEFINITIONS /// //////////////////////////////////////////////////////////////////////// // macros working with complemented attributes of the nodes #define Fraig_IsComplement(p) (((int)((PORT_PTRUINT_T) (p) & 01))) #define Fraig_Regular(p) ((Fraig_Node_t *)((PORT_PTRUINT_T)(p) & ~01)) #define Fraig_Not(p) ((Fraig_Node_t *)((PORT_PTRUINT_T)(p) ^ 01)) #define Fraig_NotCond(p,c) ((Fraig_Node_t *)((PORT_PTRUINT_T)(p) ^ (c))) // these are currently not used #define Fraig_Ref(p) #define Fraig_Deref(p) #define Fraig_RecursiveDeref(p,c) //////////////////////////////////////////////////////////////////////// /// FUNCTION DEFINITIONS /// //////////////////////////////////////////////////////////////////////// /*=== fraigApi.c =============================================================*/ extern Fraig_NodeVec_t * Fraig_ManReadVecInputs( Fraig_Man_t * p ); extern Fraig_NodeVec_t * Fraig_ManReadVecOutputs( Fraig_Man_t * p ); extern Fraig_NodeVec_t * Fraig_ManReadVecNodes( Fraig_Man_t * p ); extern Fraig_Node_t ** Fraig_ManReadInputs ( Fraig_Man_t * p ); extern Fraig_Node_t ** Fraig_ManReadOutputs( Fraig_Man_t * p ); extern Fraig_Node_t ** Fraig_ManReadNodes( Fraig_Man_t * p ); extern int Fraig_ManReadInputNum ( Fraig_Man_t * p ); extern int Fraig_ManReadOutputNum( Fraig_Man_t * p ); extern int Fraig_ManReadNodeNum( Fraig_Man_t * p ); extern Fraig_Node_t * Fraig_ManReadConst1 ( Fraig_Man_t * p ); extern Fraig_Node_t * Fraig_ManReadIthVar( Fraig_Man_t * p, int i ); extern Fraig_Node_t * Fraig_ManReadIthNode( Fraig_Man_t * p, int i ); extern char ** Fraig_ManReadInputNames( Fraig_Man_t * p ); extern char ** Fraig_ManReadOutputNames( Fraig_Man_t * p ); extern char * Fraig_ManReadVarsInt( Fraig_Man_t * p ); extern char * Fraig_ManReadSat( Fraig_Man_t * p ); extern int Fraig_ManReadFuncRed( Fraig_Man_t * p ); extern int Fraig_ManReadFeedBack( Fraig_Man_t * p ); extern int Fraig_ManReadDoSparse( Fraig_Man_t * p ); extern int Fraig_ManReadChoicing( Fraig_Man_t * p ); extern int Fraig_ManReadVerbose( Fraig_Man_t * p ); extern int * Fraig_ManReadModel( Fraig_Man_t * p ); extern int Fraig_ManReadPatternNumRandom( Fraig_Man_t * p ); extern int Fraig_ManReadPatternNumDynamic( Fraig_Man_t * p ); extern int Fraig_ManReadPatternNumDynamicFiltered( Fraig_Man_t * p ); extern int Fraig_ManReadSatFails( Fraig_Man_t * p ); extern int Fraig_ManReadConflicts( Fraig_Man_t * p ); extern int Fraig_ManReadInspects( Fraig_Man_t * p ); extern void Fraig_ManSetFuncRed( Fraig_Man_t * p, int fFuncRed ); extern void Fraig_ManSetFeedBack( Fraig_Man_t * p, int fFeedBack ); extern void Fraig_ManSetDoSparse( Fraig_Man_t * p, int fDoSparse ); extern void Fraig_ManSetChoicing( Fraig_Man_t * p, int fChoicing ); extern void Fraig_ManSetTryProve( Fraig_Man_t * p, int fTryProve ); extern void Fraig_ManSetVerbose( Fraig_Man_t * p, int fVerbose ); extern void Fraig_ManSetTimeToGraph( Fraig_Man_t * p, int Time ); extern void Fraig_ManSetTimeToNet( Fraig_Man_t * p, int Time ); extern void Fraig_ManSetTimeTotal( Fraig_Man_t * p, int Time ); extern void Fraig_ManSetOutputNames( Fraig_Man_t * p, char ** ppNames ); extern void Fraig_ManSetInputNames( Fraig_Man_t * p, char ** ppNames ); extern void Fraig_ManSetPo( Fraig_Man_t * p, Fraig_Node_t * pNode ); extern Fraig_Node_t * Fraig_NodeReadData0( Fraig_Node_t * p ); extern Fraig_Node_t * Fraig_NodeReadData1( Fraig_Node_t * p ); extern int Fraig_NodeReadNum( Fraig_Node_t * p ); extern Fraig_Node_t * Fraig_NodeReadOne( Fraig_Node_t * p ); extern Fraig_Node_t * Fraig_NodeReadTwo( Fraig_Node_t * p ); extern Fraig_Node_t * Fraig_NodeReadNextE( Fraig_Node_t * p ); extern Fraig_Node_t * Fraig_NodeReadRepr( Fraig_Node_t * p ); extern int Fraig_NodeReadNumRefs( Fraig_Node_t * p ); extern int Fraig_NodeReadNumFanouts( Fraig_Node_t * p ); extern int Fraig_NodeReadSimInv( Fraig_Node_t * p ); extern int Fraig_NodeReadNumOnes( Fraig_Node_t * p ); extern unsigned * Fraig_NodeReadPatternsRandom( Fraig_Node_t * p ); extern unsigned * Fraig_NodeReadPatternsDynamic( Fraig_Node_t * p ); extern void Fraig_NodeSetData0( Fraig_Node_t * p, Fraig_Node_t * pData ); extern void Fraig_NodeSetData1( Fraig_Node_t * p, Fraig_Node_t * pData ); extern int Fraig_NodeIsConst( Fraig_Node_t * p ); extern int Fraig_NodeIsVar( Fraig_Node_t * p ); extern int Fraig_NodeIsAnd( Fraig_Node_t * p ); extern int Fraig_NodeComparePhase( Fraig_Node_t * p1, Fraig_Node_t * p2 ); extern Fraig_Node_t * Fraig_NodeOr( Fraig_Man_t * p, Fraig_Node_t * p1, Fraig_Node_t * p2 ); extern Fraig_Node_t * Fraig_NodeAnd( Fraig_Man_t * p, Fraig_Node_t * p1, Fraig_Node_t * p2 ); extern Fraig_Node_t * Fraig_NodeOr( Fraig_Man_t * p, Fraig_Node_t * p1, Fraig_Node_t * p2 ); extern Fraig_Node_t * Fraig_NodeExor( Fraig_Man_t * p, Fraig_Node_t * p1, Fraig_Node_t * p2 ); extern Fraig_Node_t * Fraig_NodeMux( Fraig_Man_t * p, Fraig_Node_t * pNode, Fraig_Node_t * pNodeT, Fraig_Node_t * pNodeE ); extern void Fraig_NodeSetChoice( Fraig_Man_t * pMan, Fraig_Node_t * pNodeOld, Fraig_Node_t * pNodeNew ); /*=== fraigMan.c =============================================================*/ extern void Prove_ParamsSetDefault( Prove_Params_t * pParams ); extern void Fraig_ParamsSetDefault( Fraig_Params_t * pParams ); extern void Fraig_ParamsSetDefaultFull( Fraig_Params_t * pParams ); extern Fraig_Man_t * Fraig_ManCreate( Fraig_Params_t * pParams ); extern void Fraig_ManFree( Fraig_Man_t * pMan ); extern void Fraig_ManPrintStats( Fraig_Man_t * p ); extern Fraig_NodeVec_t * Fraig_ManGetSimInfo( Fraig_Man_t * p ); extern int Fraig_ManCheckClauseUsingSimInfo( Fraig_Man_t * p, Fraig_Node_t * pNode1, Fraig_Node_t * pNode2 ); extern void Fraig_ManAddClause( Fraig_Man_t * p, Fraig_Node_t ** ppNodes, int nNodes ); /*=== fraigDfs.c =============================================================*/ extern Fraig_NodeVec_t * Fraig_Dfs( Fraig_Man_t * pMan, int fEquiv ); extern Fraig_NodeVec_t * Fraig_DfsOne( Fraig_Man_t * pMan, Fraig_Node_t * pNode, int fEquiv ); extern Fraig_NodeVec_t * Fraig_DfsNodes( Fraig_Man_t * pMan, Fraig_Node_t ** ppNodes, int nNodes, int fEquiv ); extern Fraig_NodeVec_t * Fraig_DfsReverse( Fraig_Man_t * pMan ); extern int Fraig_CountNodes( Fraig_Man_t * pMan, int fEquiv ); extern int Fraig_CheckTfi( Fraig_Man_t * pMan, Fraig_Node_t * pOld, Fraig_Node_t * pNew ); extern int Fraig_CountLevels( Fraig_Man_t * pMan ); /*=== fraigSat.c =============================================================*/ extern int Fraig_NodesAreEqual( Fraig_Man_t * p, Fraig_Node_t * pNode1, Fraig_Node_t * pNode2, int nBTLimit, int nTimeLimit ); extern int Fraig_NodeIsEquivalent( Fraig_Man_t * p, Fraig_Node_t * pOld, Fraig_Node_t * pNew, int nBTLimit, int nTimeLimit ); extern void Fraig_ManProveMiter( Fraig_Man_t * p ); extern int Fraig_ManCheckMiter( Fraig_Man_t * p ); extern int Fraig_ManCheckClauseUsingSat( Fraig_Man_t * p, Fraig_Node_t * pNode1, Fraig_Node_t * pNode2, int nBTLimit ); /*=== fraigVec.c ===============================================================*/ extern Fraig_NodeVec_t * Fraig_NodeVecAlloc( int nCap ); extern void Fraig_NodeVecFree( Fraig_NodeVec_t * p ); extern Fraig_NodeVec_t * Fraig_NodeVecDup( Fraig_NodeVec_t * p ); extern Fraig_Node_t ** Fraig_NodeVecReadArray( Fraig_NodeVec_t * p ); extern int Fraig_NodeVecReadSize( Fraig_NodeVec_t * p ); extern void Fraig_NodeVecGrow( Fraig_NodeVec_t * p, int nCapMin ); extern void Fraig_NodeVecShrink( Fraig_NodeVec_t * p, int nSizeNew ); extern void Fraig_NodeVecClear( Fraig_NodeVec_t * p ); extern void Fraig_NodeVecPush( Fraig_NodeVec_t * p, Fraig_Node_t * Entry ); extern int Fraig_NodeVecPushUnique( Fraig_NodeVec_t * p, Fraig_Node_t * Entry ); extern void Fraig_NodeVecPushOrder( Fraig_NodeVec_t * p, Fraig_Node_t * pNode ); extern int Fraig_NodeVecPushUniqueOrder( Fraig_NodeVec_t * p, Fraig_Node_t * pNode ); extern void Fraig_NodeVecPushOrderByLevel( Fraig_NodeVec_t * p, Fraig_Node_t * pNode ); extern int Fraig_NodeVecPushUniqueOrderByLevel( Fraig_NodeVec_t * p, Fraig_Node_t * pNode ); extern Fraig_Node_t * Fraig_NodeVecPop( Fraig_NodeVec_t * p ); extern void Fraig_NodeVecRemove( Fraig_NodeVec_t * p, Fraig_Node_t * Entry ); extern void Fraig_NodeVecWriteEntry( Fraig_NodeVec_t * p, int i, Fraig_Node_t * Entry ); extern Fraig_Node_t * Fraig_NodeVecReadEntry( Fraig_NodeVec_t * p, int i ); extern void Fraig_NodeVecSortByLevel( Fraig_NodeVec_t * p, int fIncreasing ); extern void Fraig_NodeVecSortByNumber( Fraig_NodeVec_t * p ); /*=== fraigUtil.c ===============================================================*/ extern void Fraig_ManMarkRealFanouts( Fraig_Man_t * p ); extern int Fraig_ManCheckConsistency( Fraig_Man_t * p ); extern int Fraig_GetMaxLevel( Fraig_Man_t * pMan ); extern void Fraig_ManReportChoices( Fraig_Man_t * pMan ); extern void Fraig_MappingSetChoiceLevels( Fraig_Man_t * pMan, int fMaximum ); extern Fraig_NodeVec_t * Fraig_CollectSupergate( Fraig_Node_t * pNode, int fStopAtMux ); //////////////////////////////////////////////////////////////////////// /// END OF FILE /// //////////////////////////////////////////////////////////////////////// #ifdef __cplusplus } #endif #endif