/**CFile**************************************************************** FileName [extraUtilPrime.c] SystemName [ABC: Logic synthesis and verification system.] PackageName [extra] Synopsis [Function enumeration.] Author [Alan Mishchenko] Affiliation [UC Berkeley] Date [Ver. 1.0. Started - June 20, 2005.] Revision [$Id: extraUtilPrime.c,v 1.0 2003/02/01 00:00:00 alanmi Exp $] ***********************************************************************/ #include <stdio.h> #include <stdlib.h> #include <string.h> #include <assert.h> #include "misc/vec/vec.h" #include "misc/vec/vecHsh.h" #include "bool/kit/kit.h" #include "misc/extra/extra.h" ABC_NAMESPACE_IMPL_START //////////////////////////////////////////////////////////////////////// /// DECLARATIONS /// //////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////// /// FUNCTION DEFINITIONS /// //////////////////////////////////////////////////////////////////////// /**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_GenCountDump( Vec_Int_t * vPrimes, int nVars, char * pFileName ) { FILE * pFile; int i, k, Prime; pFile = fopen( pFileName, "wb" ); fprintf( pFile, "# %d prime numbers up to 2^%d generated by ABC on %s\n", Vec_IntSize(vPrimes), nVars, Extra_TimeStamp() ); fprintf( pFile, ".i %d\n", nVars ); fprintf( pFile, ".o %d\n", 1 ); fprintf( pFile, ".p %d\n", Vec_IntSize(vPrimes) ); Vec_IntForEachEntry( vPrimes, Prime, i ) for ( k = nVars-1; k >= 0; k-- ) fprintf( pFile, "%d%s", (Prime >> k)&1, k ? "" : " 1\n" ); fprintf( pFile, ".e\n\n" ); fclose( pFile ); } /**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_GenCountHits1( Vec_Bit_t * vMap, Vec_Int_t * vPrimes, int nVars ) { abctime clk = Abc_Clock(); int i, k, Prime, Count = 0; Vec_IntForEachEntry( vPrimes, Prime, i ) { for ( k = 0; k < nVars; k++ ) if ( !Vec_BitEntry(vMap, Prime ^ (1<<k)) ) { //printf( "%3d : %2d %2d flipped bit %d\n", Count, Prime, Prime ^ (1<<k), k ); Count++; } } printf( "Dist1 pairs = %d. ", Count/2 ); Abc_PrintTime( 1, "Time", Abc_Clock() - clk ); } Vec_Int_t * Abc_GenPrimes( int nVars ) { int i, n, nBits = ( 1 << nVars ); Vec_Bit_t * vMap = Vec_BitStart( nBits ); Vec_Int_t * vPrimes = Vec_IntAlloc( 1000 ); Vec_BitWriteEntry(vMap, 0, 1); Vec_BitWriteEntry(vMap, 1, 1); for ( n = 2; n < nBits; n++ ) if ( !Vec_BitEntry(vMap, n) ) for ( i = 2*n; i < nBits; i += n ) Vec_BitWriteEntry(vMap, i, 1); for ( n = 2; n < nBits; n++ ) if ( !Vec_BitEntry(vMap, n) ) Vec_IntPush( vPrimes, n ); printf( "Primes up to 2^%d = %d\n", nVars, Vec_IntSize(vPrimes) ); Abc_GenCountHits1( vMap, vPrimes, nVars ); Vec_BitFree( vMap ); return vPrimes; } void Abc_GenPrimesTest() { // 54,400,028 primes up to 2^30 can be computed in 22 sec int nVars = 18; Vec_Int_t * vPrimes = Abc_GenPrimes( nVars ); Abc_GenCountDump( vPrimes, nVars, "primes18.pla" ); //Vec_IntPrint( vPrimes ); printf( "Primes up to 2^%d = %d\n", nVars, Vec_IntSize(vPrimes) ); Vec_IntFree( vPrimes ); } #define ABC_PRIME_MASK 0xFF static unsigned s_256Primes[ABC_PRIME_MASK+1] = { 0x984b6ad9,0x18a6eed3,0x950353e2,0x6222f6eb,0xdfbedd47,0xef0f9023,0xac932a26,0x590eaf55, 0x97d0a034,0xdc36cd2e,0x22736b37,0xdc9066b0,0x2eb2f98b,0x5d9c7baf,0x85747c9e,0x8aca1055, 0x50d66b74,0x2f01ae9e,0xa1a80123,0x3e1ce2dc,0xebedbc57,0x4e68bc34,0x855ee0cf,0x17275120, 0x2ae7f2df,0xf71039eb,0x7c283eec,0x70cd1137,0x7cf651f3,0xa87bfa7a,0x14d87f02,0xe82e197d, 0x8d8a5ebe,0x1e6a15dc,0x197d49db,0x5bab9c89,0x4b55dea7,0x55dede49,0x9a6a8080,0xe5e51035, 0xe148d658,0x8a17eb3b,0xe22e4b38,0xe5be2a9a,0xbe938cbb,0x3b981069,0x7f9c0c8e,0xf756df10, 0x8fa783f7,0x252062ce,0x3dc46b4b,0xf70f6432,0x3f378276,0x44b137a1,0x2bf74b77,0x04892ed6, 0xfd318de1,0xd58c235e,0x94c6d25b,0x7aa5f218,0x35c9e921,0x5732fbbb,0x06026481,0xf584a44f, 0x946e1b5f,0x8463d5b2,0x4ebca7b2,0x54887b15,0x08d1e804,0x5b22067d,0x794580f6,0xb351ea43, 0xbce555b9,0x19ae2194,0xd32f1396,0x6fc1a7f1,0x1fd8a867,0x3a89fdb0,0xea49c61c,0x25f8a879, 0xde1e6437,0x7c74afca,0x8ba63e50,0xb1572074,0xe4655092,0xdb6f8b1c,0xc2955f3c,0x327f85ba, 0x60a17021,0x95bd261d,0xdea94f28,0x04528b65,0xbe0109cc,0x26dd5688,0x6ab2729d,0xc4f029ce, 0xacf7a0be,0x4c912f55,0x34c06e65,0x4fbb938e,0x1533fb5f,0x03da06bd,0x48262889,0xc2523d7d, 0x28a71d57,0x89f9713a,0xf574c551,0x7a99deb5,0x52834d91,0x5a6f4484,0xc67ba946,0x13ae698f, 0x3e390f34,0x34fc9593,0x894c7932,0x6cf414a3,0xdb7928ab,0x13a3b8a3,0x4b381c1d,0xa10b54cb, 0x55359d9d,0x35a3422a,0x58d1b551,0x0fd4de20,0x199eb3f4,0x167e09e2,0x3ee6a956,0x5371a7fa, 0xd424efda,0x74f521c5,0xcb899ff6,0x4a42e4f4,0x747917b6,0x4b08df0b,0x090c7a39,0x11e909e4, 0x258e2e32,0xd9fad92d,0x48fe5f69,0x0545cde6,0x55937b37,0x9b4ae4e4,0x1332b40e,0xc3792351, 0xaff982ef,0x4dba132a,0x38b81ef1,0x28e641bf,0x227208c1,0xec4bbe37,0xc4e1821c,0x512c9d09, 0xdaef1257,0xb63e7784,0x043e04d7,0x9c2cea47,0x45a0e59a,0x281315ca,0x849f0aac,0xa4071ed3, 0x0ef707b3,0xfe8dac02,0x12173864,0x471f6d46,0x24a53c0a,0x35ab9265,0xbbf77406,0xa2144e79, 0xb39a884a,0x0baf5b6d,0xcccee3dd,0x12c77584,0x2907325b,0xfd1adcd2,0xd16ee972,0x345ad6c1, 0x315ebe66,0xc7ad2b8d,0x99e82c8d,0xe52da8c8,0xba50f1d3,0x66689cd8,0x2e8e9138,0x43e15e74, 0xf1ced14d,0x188ec52a,0xe0ef3cbb,0xa958aedc,0x4107a1bc,0x5a9e7a3e,0x3bde939f,0xb5b28d5a, 0x596fe848,0xe85ad00c,0x0b6b3aae,0x44503086,0x25b5695c,0xc0c31dcd,0x5ee617f0,0x74d40c3a, 0xd2cb2b9f,0x1e19f5fa,0x81e24faf,0xa01ed68f,0xcee172fc,0x7fdf2e4d,0x002f4774,0x664f82dd, 0xc569c39a,0xa2d4dcbe,0xaadea306,0xa4c947bf,0xa413e4e3,0x81fb5486,0x8a404970,0x752c980c, 0x98d1d881,0x5c932c1e,0xeee65dfb,0x37592cdd,0x0fd4e65b,0xad1d383f,0x62a1452f,0x8872f68d, 0xb58c919b,0x345c8ee3,0xb583a6d6,0x43d72cb3,0x77aaa0aa,0xeb508242,0xf2db64f8,0x86294328, 0x82211731,0x1239a9d5,0x673ba5de,0xaf4af007,0x44203b19,0x2399d955,0xa175cd12,0x595928a7, 0x6918928b,0xde3126bb,0x6c99835c,0x63ba1fa2,0xdebbdff0,0x3d02e541,0xd6f7aac6,0xe80b4cd0, 0xd0fa29f1,0x804cac5e,0x2c226798,0x462f624c,0xad05b377,0x22924fcd,0xfbea205c,0x1b47586d }; #define TAB_UNUSED 0xFFFF typedef struct Tab_Man_t_ Tab_Man_t; typedef struct Tab_Ent_t_ Tab_Ent_t; struct Tab_Man_t_ { int nVars; int nCubes; int nLits; int nTable; int * pCubes; // pointers to cubes word * pValues; // hash values Tab_Ent_t * pTable; // hash table (lits -> cube + lit + lit) int Degree; // degree of 2 larger than log2(nCubes) int Mask; // table size (2^Degree) int nEnts; // number of entries }; struct Tab_Ent_t_ { int Table; int Cube; unsigned VarA : 16; unsigned VarB : 16; int Next; }; static inline int * Tab_ManCube( Tab_Man_t * p, int i ) { assert(i >= 0 && i < p->nCubes); return p->pCubes + i * (p->nVars + 1); } static inline Tab_Ent_t * Tab_ManEnt( Tab_Man_t * p, int i ) { assert(i >= -1 && i < p->nTable); return i >= 0 ? p->pTable + i : NULL; } static inline int Tab_ManValue( Tab_Man_t * p, int a ) { assert( a >= 0 && a < 256 ); return s_256Primes[a]; } static inline int Tab_ManFinal( Tab_Man_t * p, int a ) { return a & p->Mask; } static inline word Tab_ManHashValue( Tab_Man_t * p, int * pCube ) { word Value = 0; int i; for ( i = 1; i <= pCube[0]; i++ ) Value += Tab_ManValue( p, pCube[i] ); return Value; } static inline word Tab_ManHashValueWithoutVar( Tab_Man_t * p, int * pCube, int iVar ) { word Value = 0; int i; for ( i = 1; i <= pCube[0]; i++ ) if ( i != iVar ) Value += Tab_ManValue( p, pCube[i] ); return Value; } static inline unsigned Tab_ManHashValueCube( Tab_Man_t * p, int c, int iVar ) { if ( iVar == 0xFFFF ) return (unsigned)(p->pValues[c] % p->nTable); return (unsigned)((p->pValues[c] - Tab_ManValue(p, Tab_ManCube(p, c)[iVar+1])) % p->nTable); } static inline void Tab_ManPrintCube( Tab_Man_t * p, int c, int Var ) { int i, * pCube = Tab_ManCube( p, c ); for ( i = 1; i <= pCube[0]; i++ ) // if ( i == Var + 1 ) // printf( "-" ); // else printf( "%d", !Abc_LitIsCompl(pCube[i]) ); } static inline void Tab_ManHashAdd( Tab_Man_t * p, int Value, int Cube, int VarA, int VarB ) { Tab_Ent_t * pCell = p->pTable + p->nEnts; Tab_Ent_t * pBin = p->pTable + Value; /* printf( "Adding cube " ); Tab_ManPrintCube( p, Cube, VarA ); printf( " with var %d and value %d\n", VarA, Value ); */ if ( pBin->Table >= 0 ) pCell->Next = pBin->Table; pBin->Table = p->nEnts++; pCell->Cube = Cube; pCell->VarA = VarA; pCell->VarB = VarB; } static inline void Tab_ManPrintEntry( Tab_Man_t * p, int e ) { printf( "Entry %10d : ", e ); printf( "Cube %6d ", p->pTable[e].Cube ); printf( "Value %12u ", Tab_ManHashValueCube(p, p->pTable[e].Cube, p->pTable[e].VarA) % p->nTable ); Tab_ManPrintCube( p, p->pTable[e].Cube, p->pTable[e].VarA ); printf( " " ); if ( p->pTable[e].VarA != 0xFFFF ) printf( "%2d ", p->pTable[e].VarA ); else printf( " " ); if ( p->pTable[e].VarB != 0xFFFF ) printf( "%2d ", p->pTable[e].VarB ); else printf( " " ); printf( "\n" ); } static inline void Tab_ManHashCollectBin( Tab_Man_t * p, int Bin, Vec_Int_t * vBin ) { Tab_Ent_t * pEnt = p->pTable + Bin; Vec_IntClear( vBin ); for ( pEnt = Tab_ManEnt(p, pEnt->Table); pEnt; pEnt = Tab_ManEnt(p, pEnt->Next) ) { Vec_IntPush( vBin, pEnt - p->pTable ); //Tab_ManPrintEntry( p, pEnt - p->pTable ); } //printf( "\n" ); } #define Tab_ManForEachCube( p, pCube, c ) \ for ( c = 0; c < p->nCubes && (pCube = Tab_ManCube(p, c)); c++ ) \ if ( pCube[0] == -1 ) {} else #define Tab_ManForEachCubeReverse( p, pCube, c ) \ for ( c = p->nCubes - 1; c >= 0 && (pCube = Tab_ManCube(p, c)); c-- ) \ if ( pCube[0] == -1 ) {} else /**Function************************************************************* Synopsis [Manager manipulation.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ Tab_Man_t * Tab_ManAlloc( int nVars, int nCubes ) { Tab_Man_t * p = ABC_CALLOC( Tab_Man_t, 1 ); p->nVars = nVars; p->nCubes = nCubes; p->Degree = Abc_Base2Log((p->nVars + 1) * p->nCubes + 1) + 3; p->Mask = (1 << p->Degree) - 1; //p->nEnts = 1; p->pCubes = ABC_CALLOC( int, p->nCubes * (p->nVars + 1) ); p->pValues = ABC_CALLOC( word, p->nCubes ); // p->pTable = ABC_CALLOC( Tab_Ent_t, (p->Mask + 1) ); printf( "Allocated %.2f MB for cube structure.\n", 4.0 * p->nCubes * (p->nVars + 2) / (1 << 20) ); return p; } void Tab_ManFree( Tab_Man_t * p ) { ABC_FREE( p->pCubes ); ABC_FREE( p->pValues ); ABC_FREE( p->pTable ); ABC_FREE( p ); } void Tab_ManStart( Tab_Man_t * p, Vec_Int_t * vCubes ) { int * pCube, Cube, c, v; p->nLits = 0; Tab_ManForEachCube( p, pCube, c ) { Cube = Vec_IntEntry( vCubes, c ); pCube[0] = p->nVars; for ( v = 0; v < p->nVars; v++ ) pCube[v+1] = Abc_Var2Lit( v, !((Cube >> v) & 1) ); p->pValues[c] = Tab_ManHashValue( p, pCube ); p->nLits += pCube[0]; } } /**Function************************************************************* Synopsis [Find a cube-free divisor of the two cubes.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ int Tab_ManCubeFree( int * pCube1, int * pCube2, Vec_Int_t * vCubeFree ) { int * pBeg1 = pCube1 + 1; // skip variable ID int * pBeg2 = pCube2 + 1; // skip variable ID int * pEnd1 = pBeg1 + pCube1[0]; int * pEnd2 = pBeg2 + pCube2[0]; int Counter = 0, fAttr0 = 0, fAttr1 = 1; Vec_IntClear( vCubeFree ); while ( pBeg1 < pEnd1 && pBeg2 < pEnd2 ) { if ( *pBeg1 == *pBeg2 ) pBeg1++, pBeg2++, Counter++; else if ( *pBeg1 < *pBeg2 ) Vec_IntPush( vCubeFree, Abc_Var2Lit(*pBeg1++, fAttr0) ); else { if ( Vec_IntSize(vCubeFree) == 0 ) fAttr0 = 1, fAttr1 = 0; Vec_IntPush( vCubeFree, Abc_Var2Lit(*pBeg2++, fAttr1) ); } } while ( pBeg1 < pEnd1 ) Vec_IntPush( vCubeFree, Abc_Var2Lit(*pBeg1++, fAttr0) ); while ( pBeg2 < pEnd2 ) Vec_IntPush( vCubeFree, Abc_Var2Lit(*pBeg2++, fAttr1) ); if ( Vec_IntSize(vCubeFree) == 0 ) printf( "The SOP has duplicated cubes.\n" ); else if ( Vec_IntSize(vCubeFree) == 1 ) printf( "The SOP has contained cubes.\n" ); // else if ( Vec_IntSize(vCubeFree) == 2 && Abc_Lit2Var(Abc_Lit2Var(Vec_IntEntry(vCubeFree, 0))) == Abc_Lit2Var(Abc_Lit2Var(Vec_IntEntry(vCubeFree, 1))) ) // printf( "The SOP has distance-1 cubes or it is not a prime cover. Please make sure the result verifies.\n" ); assert( !Abc_LitIsCompl(Vec_IntEntry(vCubeFree, 0)) ); return Counter; } int Tab_ManCheckEqual2( int * pCube1, int * pCube2, int Var1, int Var2 ) { int i1, i2; for ( i1 = i2 = 1; ; i1++, i2++ ) { if ( i1 == Var1 ) i1++; if ( i2 == Var2 ) i2++; if ( i1 > pCube1[0] || i2 > pCube2[0] ) return 0; if ( pCube1[i1] != pCube2[i2] ) return 0; if ( i1 == pCube1[0] && i2 == pCube2[0] ) return 1; } } int Tab_ManCheckEqual( int * pCube1, int * pCube2, int Var1, int Var2 ) { int Cube1[32], Cube2[32]; int i, k, nVars1, nVars2; assert( pCube1[0] <= 32 ); assert( pCube2[0] <= 32 ); for ( i = 1, k = 0; i <= pCube1[0]; i++ ) if ( i != Var1 ) Cube1[k++] = pCube1[i]; nVars1 = k; for ( i = 1, k = 0; i <= pCube2[0]; i++ ) if ( i != Var2 ) Cube2[k++] = pCube2[i]; nVars2 = k; if ( nVars1 != nVars2 ) return 0; for ( i = 0; i < nVars1; i++ ) if ( Cube1[i] != Cube2[i] ) return 0; return 1; } /**Function************************************************************* Synopsis [Collecting distance-1 pairs.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ int Tab_ManCountItems( Tab_Man_t * p, int Dist2, Vec_Int_t ** pvStarts ) { Vec_Int_t * vStarts = Vec_IntAlloc( p->nCubes ); int * pCube, c, Count = 0; Tab_ManForEachCube( p, pCube, c ) { Vec_IntPush( vStarts, Count ); Count += 1 + pCube[0]; if ( Dist2 ) Count += pCube[0] * pCube[0] / 2; } assert( Vec_IntSize(vStarts) == p->nCubes ); if ( pvStarts ) *pvStarts = vStarts; return Count; } Vec_Int_t * Tab_ManCollectDist1( Tab_Man_t * p, int Dist2 ) { Vec_Int_t * vStarts = NULL; // starting mark for each cube int nItems = Tab_ManCountItems( p, Dist2, &vStarts ); // item count int nBits = Abc_Base2Log( nItems ) + 6; // hash table size Vec_Bit_t * vPres = Vec_BitStart( 1 << nBits ); // hash table Vec_Bit_t * vMarks = Vec_BitStart( nItems ); // collisions Vec_Int_t * vUseful = Vec_IntAlloc( 1000 ); // useful pairs Vec_Int_t * vBin = Vec_IntAlloc( 100 ); Vec_Int_t * vCubeFree = Vec_IntAlloc( 100 ); word Value; unsigned Mask = (1 << nBits) - 1; int * pCube, c, a, b, nMarks = 0, nUseful, Entry1, Entry2; // iterate forward Tab_ManForEachCube( p, pCube, c ) { // cube if ( Vec_BitAddEntry(vPres, (int)p->pValues[c] & Mask) ) Vec_BitWriteEntry( vMarks, nMarks, 1 ); nMarks++; // dist1 for ( a = 1; a <= pCube[0]; a++, nMarks++ ) if ( Vec_BitAddEntry(vPres, (int)(p->pValues[c] - Tab_ManValue(p, pCube[a])) & Mask) ) Vec_BitWriteEntry( vMarks, nMarks, 1 ); // dist2 if ( Dist2 ) for ( a = 1; a <= pCube[0]; a++ ) { Value = p->pValues[c] - Tab_ManValue(p, pCube[a]); for ( b = a + 1; b <= pCube[0]; b++, nMarks++ ) if ( Vec_BitAddEntry(vPres, (int)(Value - Tab_ManValue(p, pCube[b])) & Mask) ) Vec_BitWriteEntry( vMarks, nMarks, 1 ); } } assert( nMarks == nItems ); Vec_BitReset( vPres ); // iterate backward nMarks--; Tab_ManForEachCubeReverse( p, pCube, c ) { Value = p->pValues[c]; // dist2 if ( Dist2 ) for ( a = pCube[0]; a >= 1; a-- ) { Value = p->pValues[c] - Tab_ManValue(p, pCube[a]); for ( b = pCube[0]; b >= a + 1; b--, nMarks-- ) if ( Vec_BitAddEntry(vPres, (int)(Value - Tab_ManValue(p, pCube[b])) & Mask) ) Vec_BitWriteEntry( vMarks, nMarks, 1 ); } // dist1 for ( a = pCube[0]; a >= 1; a--, nMarks-- ) if ( Vec_BitAddEntry(vPres, (int)(p->pValues[c] - Tab_ManValue(p, pCube[a])) & Mask) ) Vec_BitWriteEntry( vMarks, nMarks, 1 ); // cube if ( Vec_BitAddEntry(vPres, (int)p->pValues[c] & Mask) ) Vec_BitWriteEntry( vMarks, nMarks, 1 ); nMarks--; } nMarks++; assert( nMarks == 0 ); Vec_BitFree( vPres ); // count useful nUseful = Vec_BitCount( vMarks ); printf( "Items = %d. Bits = %d. Useful = %d. \n", nItems, nBits, nUseful ); // add to the hash table p->nTable = Abc_PrimeCudd(nUseful); p->pTable = ABC_FALLOC( Tab_Ent_t, p->nTable ); printf( "Table %d\n", p->nTable ); Tab_ManForEachCube( p, pCube, c ) { // cube if ( Vec_BitEntry(vMarks, nMarks++) ) Tab_ManHashAdd( p, (int)(p->pValues[c] % p->nTable), c, TAB_UNUSED, TAB_UNUSED ); // dist1 for ( a = 1; a <= pCube[0]; a++, nMarks++ ) if ( Vec_BitEntry(vMarks, nMarks) ) Tab_ManHashAdd( p, (int)((p->pValues[c] - Tab_ManValue(p, pCube[a])) % p->nTable), c, a-1, TAB_UNUSED ); // dist2 if ( Dist2 ) for ( a = 1; a <= pCube[0]; a++ ) { Value = p->pValues[c] - Tab_ManValue(p, pCube[a]); for ( b = a + 1; b <= pCube[0]; b++, nMarks++ ) if ( Vec_BitEntry(vMarks, nMarks) ) Tab_ManHashAdd( p, (int)((Value - Tab_ManValue(p, pCube[b])) % p->nTable), c, a-1, b-1 ); } } assert( nMarks == nItems ); // collect entries for ( c = 0; c < p->nTable; c++ ) { Tab_ManHashCollectBin( p, c, vBin ); //printf( "%d ", Vec_IntSize(vBin) ); //if ( c > 100 ) // break; Vec_IntForEachEntry( vBin, Entry1, a ) Vec_IntForEachEntryStart( vBin, Entry2, b, a + 1 ) { Tab_Ent_t * pEntA = Tab_ManEnt( p, Entry1 ); Tab_Ent_t * pEntB = Tab_ManEnt( p, Entry2 ); int * pCubeA = Tab_ManCube( p, pEntA->Cube ); int * pCubeB = Tab_ManCube( p, pEntB->Cube ); // int Base = Tab_ManCubeFree( pCubeA, pCubeB, vCubeFree ); // if ( Vec_IntSize(vCubeFree) == 2 ) if ( Tab_ManCheckEqual(pCubeA, pCubeB, pEntA->VarA+1, pEntB->VarA+1) ) { Vec_IntPushTwo( vUseful, pEntA->Cube, pEntB->Cube ); } } } //printf( "\n" ); ABC_FREE( p->pTable ); Vec_IntFree( vCubeFree ); Vec_IntFree( vBin ); Vec_BitFree( vMarks ); return vUseful; } /**Function************************************************************* Synopsis [Table decomposition.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Tab_DecomposeTest() { int nVars = 20;// no more than 13 abctime clk = Abc_Clock(); Vec_Int_t * vPairs; Vec_Int_t * vPrimes = Abc_GenPrimes( nVars ); Tab_Man_t * p = Tab_ManAlloc( nVars, Vec_IntSize(vPrimes) ); Tab_ManStart( p, vPrimes ); printf( "Created %d cubes dependent on %d variables with %d literals.\n", p->nCubes, p->nVars ); vPairs = Tab_ManCollectDist1( p, 0 ); printf( "Collected %d pairs.\n", Vec_IntSize(vPairs)/2 ); Vec_IntFree( vPairs ); Tab_ManFree( p ); Vec_IntFree( vPrimes ); Abc_PrintTime( 1, "Time", Abc_Clock() - clk ); } //////////////////////////////////////////////////////////////////////// /// END OF FILE /// //////////////////////////////////////////////////////////////////////// ABC_NAMESPACE_IMPL_END