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Diffstat (limited to 'src/misc/extra/extraBdd.h')
| -rw-r--r-- | src/misc/extra/extraBdd.h | 316 |
1 files changed, 316 insertions, 0 deletions
diff --git a/src/misc/extra/extraBdd.h b/src/misc/extra/extraBdd.h new file mode 100644 index 00000000..25df14bb --- /dev/null +++ b/src/misc/extra/extraBdd.h @@ -0,0 +1,316 @@ +/**CFile**************************************************************** + + FileName [extraBdd.h] + + SystemName [ABC: Logic synthesis and verification system.] + + PackageName [extra] + + Synopsis [Various reusable software utilities.] + + Description [This library contains a number of operators and + traversal routines developed to extend the functionality of + CUDD v.2.3.x, by Fabio Somenzi (http://vlsi.colorado.edu/~fabio/) + To compile your code with the library, #include "extra.h" + in your source files and link your project to CUDD and this + library. Use the library at your own risk and with caution. + Note that debugging of some operators still continues.] + + Author [Alan Mishchenko] + + Affiliation [UC Berkeley] + + Date [Ver. 1.0. Started - June 20, 2005.] + + Revision [$Id: extraBdd.h,v 1.00 2005/06/20 00:00:00 alanmi Exp $] + +***********************************************************************/ + +#ifndef ABC__misc__extra__extra_bdd_h +#define ABC__misc__extra__extra_bdd_h + + +#ifdef _WIN32 +#define inline __inline // compatible with MS VS 6.0 +#endif + +/*---------------------------------------------------------------------------*/ +/* Nested includes */ +/*---------------------------------------------------------------------------*/ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <assert.h> +#include <time.h> + +#include "src/misc/st/st.h" +#include "src/bdd/cudd/cuddInt.h" +#include "src/misc/extra/extra.h" + + +ABC_NAMESPACE_HEADER_START + + +/*---------------------------------------------------------------------------*/ +/* Constant declarations */ +/*---------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------*/ +/* Stucture declarations */ +/*---------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------*/ +/* Type declarations */ +/*---------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------*/ +/* Variable declarations */ +/*---------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------*/ +/* Macro declarations */ +/*---------------------------------------------------------------------------*/ + +/* constants of the manager */ +#define b0 Cudd_Not((dd)->one) +#define b1 (dd)->one +#define z0 (dd)->zero +#define z1 (dd)->one +#define a0 (dd)->zero +#define a1 (dd)->one + +// hash key macros +#define hashKey1(a,TSIZE) \ +((ABC_PTRUINT_T)(a) % TSIZE) + +#define hashKey2(a,b,TSIZE) \ +(((ABC_PTRUINT_T)(a) + (ABC_PTRUINT_T)(b) * DD_P1) % TSIZE) + +#define hashKey3(a,b,c,TSIZE) \ +(((((ABC_PTRUINT_T)(a) + (ABC_PTRUINT_T)(b)) * DD_P1 + (ABC_PTRUINT_T)(c)) * DD_P2 ) % TSIZE) + +#define hashKey4(a,b,c,d,TSIZE) \ +((((((ABC_PTRUINT_T)(a) + (ABC_PTRUINT_T)(b)) * DD_P1 + (ABC_PTRUINT_T)(c)) * DD_P2 + \ + (ABC_PTRUINT_T)(d)) * DD_P3) % TSIZE) + +#define hashKey5(a,b,c,d,e,TSIZE) \ +(((((((ABC_PTRUINT_T)(a) + (ABC_PTRUINT_T)(b)) * DD_P1 + (ABC_PTRUINT_T)(c)) * DD_P2 + \ + (ABC_PTRUINT_T)(d)) * DD_P3 + (ABC_PTRUINT_T)(e)) * DD_P1) % TSIZE) + +/*===========================================================================*/ +/* Various Utilities */ +/*===========================================================================*/ + +/*=== extraBddAuto.c ========================================================*/ + +extern DdNode * Extra_bddSpaceFromFunctionFast( DdManager * dd, DdNode * bFunc ); +extern DdNode * Extra_bddSpaceFromFunction( DdManager * dd, DdNode * bF, DdNode * bG ); +extern DdNode * extraBddSpaceFromFunction( DdManager * dd, DdNode * bF, DdNode * bG ); +extern DdNode * Extra_bddSpaceFromFunctionPos( DdManager * dd, DdNode * bFunc ); +extern DdNode * extraBddSpaceFromFunctionPos( DdManager * dd, DdNode * bFunc ); +extern DdNode * Extra_bddSpaceFromFunctionNeg( DdManager * dd, DdNode * bFunc ); +extern DdNode * extraBddSpaceFromFunctionNeg( DdManager * dd, DdNode * bFunc ); + +extern DdNode * Extra_bddSpaceCanonVars( DdManager * dd, DdNode * bSpace ); +extern DdNode * extraBddSpaceCanonVars( DdManager * dd, DdNode * bSpace ); + +extern DdNode * Extra_bddSpaceEquations( DdManager * dd, DdNode * bSpace ); +extern DdNode * Extra_bddSpaceEquationsNeg( DdManager * dd, DdNode * bSpace ); +extern DdNode * extraBddSpaceEquationsNeg( DdManager * dd, DdNode * bSpace ); +extern DdNode * Extra_bddSpaceEquationsPos( DdManager * dd, DdNode * bSpace ); +extern DdNode * extraBddSpaceEquationsPos( DdManager * dd, DdNode * bSpace ); + +extern DdNode * Extra_bddSpaceFromMatrixPos( DdManager * dd, DdNode * zA ); +extern DdNode * extraBddSpaceFromMatrixPos( DdManager * dd, DdNode * zA ); +extern DdNode * Extra_bddSpaceFromMatrixNeg( DdManager * dd, DdNode * zA ); +extern DdNode * extraBddSpaceFromMatrixNeg( DdManager * dd, DdNode * zA ); + +extern DdNode * Extra_bddSpaceReduce( DdManager * dd, DdNode * bFunc, DdNode * bCanonVars ); +extern DdNode ** Extra_bddSpaceExorGates( DdManager * dd, DdNode * bFuncRed, DdNode * zEquations ); + +/*=== extraBddCas.c =============================================================*/ + +/* performs the binary encoding of the set of function using the given vars */ +extern DdNode * Extra_bddEncodingBinary( DdManager * dd, DdNode ** pbFuncs, int nFuncs, DdNode ** pbVars, int nVars ); +/* solves the column encoding problem using a sophisticated method */ +extern DdNode * Extra_bddEncodingNonStrict( DdManager * dd, DdNode ** pbColumns, int nColumns, DdNode * bVarsCol, DdNode ** pCVars, int nMulti, int * pSimple ); +/* collects the nodes under the cut and, for each node, computes the sum of paths leading to it from the root */ +extern st_table * Extra_bddNodePathsUnderCut( DdManager * dd, DdNode * bFunc, int CutLevel ); +/* collects the nodes under the cut starting from the given set of ADD nodes */ +extern int Extra_bddNodePathsUnderCutArray( DdManager * dd, DdNode ** paNodes, DdNode ** pbCubes, int nNodes, DdNode ** paNodesRes, DdNode ** pbCubesRes, int CutLevel ); +/* find the profile of a DD (the number of edges crossing each level) */ +extern int Extra_ProfileWidth( DdManager * dd, DdNode * F, int * Profile, int CutLevel ); + +/*=== extraBddImage.c ================================================================*/ + +typedef struct Extra_ImageTree_t_ Extra_ImageTree_t; +extern Extra_ImageTree_t * Extra_bddImageStart( + DdManager * dd, DdNode * bCare, + int nParts, DdNode ** pbParts, + int nVars, DdNode ** pbVars, int fVerbose ); +extern DdNode * Extra_bddImageCompute( Extra_ImageTree_t * pTree, DdNode * bCare ); +extern void Extra_bddImageTreeDelete( Extra_ImageTree_t * pTree ); +extern DdNode * Extra_bddImageRead( Extra_ImageTree_t * pTree ); + +typedef struct Extra_ImageTree2_t_ Extra_ImageTree2_t; +extern Extra_ImageTree2_t * Extra_bddImageStart2( + DdManager * dd, DdNode * bCare, + int nParts, DdNode ** pbParts, + int nVars, DdNode ** pbVars, int fVerbose ); +extern DdNode * Extra_bddImageCompute2( Extra_ImageTree2_t * pTree, DdNode * bCare ); +extern void Extra_bddImageTreeDelete2( Extra_ImageTree2_t * pTree ); +extern DdNode * Extra_bddImageRead2( Extra_ImageTree2_t * pTree ); + +/*=== extraBddMisc.c ========================================================*/ + +extern DdNode * Extra_TransferPermute( DdManager * ddSource, DdManager * ddDestination, DdNode * f, int * Permute ); +extern DdNode * Extra_TransferLevelByLevel( DdManager * ddSource, DdManager * ddDestination, DdNode * f ); +extern DdNode * Extra_bddRemapUp( DdManager * dd, DdNode * bF ); +extern DdNode * Extra_bddMove( DdManager * dd, DdNode * bF, int nVars ); +extern DdNode * extraBddMove( DdManager * dd, DdNode * bF, DdNode * bFlag ); +extern void Extra_StopManager( DdManager * dd ); +extern void Extra_bddPrint( DdManager * dd, DdNode * F ); +extern void Extra_bddPrintSupport( DdManager * dd, DdNode * F ); +extern void extraDecomposeCover( DdManager* dd, DdNode* zC, DdNode** zC0, DdNode** zC1, DdNode** zC2 ); +extern int Extra_bddSuppSize( DdManager * dd, DdNode * bSupp ); +extern int Extra_bddSuppContainVar( DdManager * dd, DdNode * bS, DdNode * bVar ); +extern int Extra_bddSuppOverlapping( DdManager * dd, DdNode * S1, DdNode * S2 ); +extern int Extra_bddSuppDifferentVars( DdManager * dd, DdNode * S1, DdNode * S2, int DiffMax ); +extern int Extra_bddSuppCheckContainment( DdManager * dd, DdNode * bL, DdNode * bH, DdNode ** bLarge, DdNode ** bSmall ); +extern int * Extra_SupportArray( DdManager * dd, DdNode * F, int * support ); +extern int * Extra_VectorSupportArray( DdManager * dd, DdNode ** F, int n, int * support ); +extern DdNode * Extra_bddFindOneCube( DdManager * dd, DdNode * bF ); +extern DdNode * Extra_bddGetOneCube( DdManager * dd, DdNode * bFunc ); +extern DdNode * Extra_bddComputeRangeCube( DdManager * dd, int iStart, int iStop ); +extern DdNode * Extra_bddBitsToCube( DdManager * dd, int Code, int CodeWidth, DdNode ** pbVars, int fMsbFirst ); +extern DdNode * Extra_bddSupportNegativeCube( DdManager * dd, DdNode * f ); +extern int Extra_bddIsVar( DdNode * bFunc ); +extern DdNode * Extra_bddCreateAnd( DdManager * dd, int nVars ); +extern DdNode * Extra_bddCreateOr( DdManager * dd, int nVars ); +extern DdNode * Extra_bddCreateExor( DdManager * dd, int nVars ); +extern DdNode * Extra_zddPrimes( DdManager * dd, DdNode * F ); +extern void Extra_bddPermuteArray( DdManager * dd, DdNode ** bNodesIn, DdNode ** bNodesOut, int nNodes, int *permut ); +extern DdNode * Extra_bddComputeCube( DdManager * dd, DdNode ** bXVars, int nVars ); +extern DdNode * Extra_bddChangePolarity( DdManager * dd, DdNode * bFunc, DdNode * bVars ); +extern DdNode * extraBddChangePolarity( DdManager * dd, DdNode * bFunc, DdNode * bVars ); +extern int Extra_bddVarIsInCube( DdNode * bCube, int iVar ); +extern DdNode * Extra_bddAndPermute( DdManager * ddF, DdNode * bF, DdManager * ddG, DdNode * bG, int * pPermute ); + +#ifndef ABC_PRB +#define ABC_PRB(dd,f) printf("%s = ", #f); Extra_bddPrint(dd,f); printf("\n") +#endif + +/*=== extraBddKmap.c ================================================================*/ + +/* displays the Karnaugh Map of a function */ +extern void Extra_PrintKMap( FILE * pFile, DdManager * dd, DdNode * OnSet, DdNode * OffSet, int nVars, DdNode ** XVars, int fSuppType, char ** pVarNames ); +/* displays the Karnaugh Map of a relation */ +extern void Extra_PrintKMapRelation( FILE * pFile, DdManager * dd, DdNode * OnSet, DdNode * OffSet, int nXVars, int nYVars, DdNode ** XVars, DdNode ** YVars ); + +/*=== extraBddSymm.c =================================================================*/ + +typedef struct Extra_SymmInfo_t_ Extra_SymmInfo_t; +struct Extra_SymmInfo_t_ { + int nVars; // the number of variables in the support + int nVarsMax; // the number of variables in the DD manager + int nSymms; // the number of pair-wise symmetries + int nNodes; // the number of nodes in a ZDD (if applicable) + int * pVars; // the list of all variables present in the support + char ** pSymms; // the symmetry information +}; + +/* computes the classical symmetry information for the function - recursive */ +extern Extra_SymmInfo_t * Extra_SymmPairsCompute( DdManager * dd, DdNode * bFunc ); +/* computes the classical symmetry information for the function - using naive approach */ +extern Extra_SymmInfo_t * Extra_SymmPairsComputeNaive( DdManager * dd, DdNode * bFunc ); +extern int Extra_bddCheckVarsSymmetricNaive( DdManager * dd, DdNode * bF, int iVar1, int iVar2 ); + +/* allocates the data structure */ +extern Extra_SymmInfo_t * Extra_SymmPairsAllocate( int nVars ); +/* deallocates the data structure */ +extern void Extra_SymmPairsDissolve( Extra_SymmInfo_t * ); +/* print the contents the data structure */ +extern void Extra_SymmPairsPrint( Extra_SymmInfo_t * ); +/* converts the ZDD into the Extra_SymmInfo_t structure */ +extern Extra_SymmInfo_t * Extra_SymmPairsCreateFromZdd( DdManager * dd, DdNode * zPairs, DdNode * bVars ); + +/* computes the classical symmetry information as a ZDD */ +extern DdNode * Extra_zddSymmPairsCompute( DdManager * dd, DdNode * bF, DdNode * bVars ); +extern DdNode * extraZddSymmPairsCompute( DdManager * dd, DdNode * bF, DdNode * bVars ); +/* returns a singleton-set ZDD containing all variables that are symmetric with the given one */ +extern DdNode * Extra_zddGetSymmetricVars( DdManager * dd, DdNode * bF, DdNode * bG, DdNode * bVars ); +extern DdNode * extraZddGetSymmetricVars( DdManager * dd, DdNode * bF, DdNode * bG, DdNode * bVars ); +/* converts a set of variables into a set of singleton subsets */ +extern DdNode * Extra_zddGetSingletons( DdManager * dd, DdNode * bVars ); +extern DdNode * extraZddGetSingletons( DdManager * dd, DdNode * bVars ); +/* filters the set of variables using the support of the function */ +extern DdNode * Extra_bddReduceVarSet( DdManager * dd, DdNode * bVars, DdNode * bF ); +extern DdNode * extraBddReduceVarSet( DdManager * dd, DdNode * bVars, DdNode * bF ); + +/* checks the possibility that the two vars are symmetric */ +extern int Extra_bddCheckVarsSymmetric( DdManager * dd, DdNode * bF, int iVar1, int iVar2 ); +extern DdNode * extraBddCheckVarsSymmetric( DdManager * dd, DdNode * bF, DdNode * bVars ); + +/* build the set of all tuples of K variables out of N from the BDD cube */ +extern DdNode * Extra_zddTuplesFromBdd( DdManager * dd, int K, DdNode * bVarsN ); +extern DdNode * extraZddTuplesFromBdd( DdManager * dd, DdNode * bVarsK, DdNode * bVarsN ); +/* selects one subset from a ZDD representing the set of subsets */ +extern DdNode * Extra_zddSelectOneSubset( DdManager * dd, DdNode * zS ); +extern DdNode * extraZddSelectOneSubset( DdManager * dd, DdNode * zS ); + +/*=== extraBddUnate.c =================================================================*/ + +extern DdNode * Extra_bddAndTime( DdManager * dd, DdNode * f, DdNode * g, int TimeOut ); +extern DdNode * Extra_bddAndAbstractTime( DdManager * manager, DdNode * f, DdNode * g, DdNode * cube, int TimeOut ); +extern DdNode * Extra_TransferPermuteTime( DdManager * ddSource, DdManager * ddDestination, DdNode * f, int * Permute, int TimeOut ); + +/*=== extraBddUnate.c =================================================================*/ + +typedef struct Extra_UnateVar_t_ Extra_UnateVar_t; +struct Extra_UnateVar_t_ { + unsigned iVar : 30; // index of the variable + unsigned Pos : 1; // 1 if positive unate + unsigned Neg : 1; // 1 if negative unate +}; + +typedef struct Extra_UnateInfo_t_ Extra_UnateInfo_t; +struct Extra_UnateInfo_t_ { + int nVars; // the number of variables in the support + int nVarsMax; // the number of variables in the DD manager + int nUnate; // the number of unate variables + Extra_UnateVar_t * pVars; // the array of variables present in the support +}; + +/* allocates the data structure */ +extern Extra_UnateInfo_t * Extra_UnateInfoAllocate( int nVars ); +/* deallocates the data structure */ +extern void Extra_UnateInfoDissolve( Extra_UnateInfo_t * ); +/* print the contents the data structure */ +extern void Extra_UnateInfoPrint( Extra_UnateInfo_t * ); +/* converts the ZDD into the Extra_SymmInfo_t structure */ +extern Extra_UnateInfo_t * Extra_UnateInfoCreateFromZdd( DdManager * dd, DdNode * zUnate, DdNode * bVars ); +/* naive check of unateness of one variable */ +extern int Extra_bddCheckUnateNaive( DdManager * dd, DdNode * bF, int iVar ); + +/* computes the unateness information for the function */ +extern Extra_UnateInfo_t * Extra_UnateComputeFast( DdManager * dd, DdNode * bFunc ); +extern Extra_UnateInfo_t * Extra_UnateComputeSlow( DdManager * dd, DdNode * bFunc ); + +/* computes the classical symmetry information as a ZDD */ +extern DdNode * Extra_zddUnateInfoCompute( DdManager * dd, DdNode * bF, DdNode * bVars ); +extern DdNode * extraZddUnateInfoCompute( DdManager * dd, DdNode * bF, DdNode * bVars ); + +/* converts a set of variables into a set of singleton subsets */ +extern DdNode * Extra_zddGetSingletonsBoth( DdManager * dd, DdNode * bVars ); +extern DdNode * extraZddGetSingletonsBoth( DdManager * dd, DdNode * bVars ); + +/**AutomaticEnd***************************************************************/ + + + +ABC_NAMESPACE_HEADER_END + + + +#endif /* __EXTRA_H__ */ |