diff options
Diffstat (limited to 'src/aig')
| -rw-r--r-- | src/aig/gia/giaCSat2.c | 3 | ||||
| -rw-r--r-- | src/aig/gia/giaSimBase.c | 406 |
2 files changed, 399 insertions, 10 deletions
diff --git a/src/aig/gia/giaCSat2.c b/src/aig/gia/giaCSat2.c index ee0ce311..a9739e02 100644 --- a/src/aig/gia/giaCSat2.c +++ b/src/aig/gia/giaCSat2.c @@ -1653,9 +1653,12 @@ Vec_Int_t * Cbs2_ManSolveMiterNc( Gia_Man_t * pAig, int nConfs, Vec_Str_t ** pvS p->timeTotal = Abc_Clock() - clkTotal; if ( fVerbose ) Cbs2_ManSatPrintStats( p ); + if ( fVerbose ) + { // printf( "RecCalls = %8d. RecClause = %8d. RecNonChro = %8d.\n", p->nRecCall, p->nRecClause, p->nRecNonChro ); printf( "Prop1 = %d. Prop2 = %d. Prop3 = %d. ClaConf = %d. FailJ = %d. FailC = %d. ", p->nPropCalls[0], p->nPropCalls[1], p->nPropCalls[2], p->nClauseConf, p->nFails[0], p->nFails[1] ); Abc_PrintTime( 1, "JFront", p->timeJFront ); + } Cbs2_ManStop( p ); *pvStatus = vStatus; diff --git a/src/aig/gia/giaSimBase.c b/src/aig/gia/giaSimBase.c index 1adff0be..c53c1db8 100644 --- a/src/aig/gia/giaSimBase.c +++ b/src/aig/gia/giaSimBase.c @@ -239,11 +239,10 @@ Vec_Wrd_t * Gia_ManSimBitPacking( Gia_Man_t * p, Vec_Int_t * vCexStore, int nCex assert( iPat <= nCexes + nUnDecs ); Out = 0; } - printf( "Compressed %d CEXes into %d test patterns.\n", nCexes, iPat ); assert( iCur == Vec_IntSize(vCexStore) ); vSimsRes = Gia_ManSimCombine( Gia_ManCiNum(p), p->vSimsPi, vSimsIn, Abc_Bit6WordNum(iPat+1) ); - printf( "Combined %d words of the original info with %d words of additional info.\n", - Vec_WrdSize(p->vSimsPi) / Gia_ManCiNum(p), Abc_Bit6WordNum(iPat+1) ); + printf( "Compressed %d CEXes into %d patterns and added %d words to available %d words.\n", + nCexes, iPat, Abc_Bit6WordNum(iPat+1), Vec_WrdSize(p->vSimsPi) / Gia_ManCiNum(p) ); Vec_WrdFree( vSimsIn ); Vec_WrdFree( vSimsCare ); return vSimsRes; @@ -344,7 +343,7 @@ void Gia_ManSimPatWrite( char * pFileName, Vec_Wrd_t * vSimsIn, int nWords ) for ( i = 0; i < nNodes; i++ ) Gia_ManSimPatWriteOne( pFile, Vec_WrdEntryP(vSimsIn, i*nWords), nWords ); fclose( pFile ); - printf( "Written %d words of simulation data.\n", nWords ); + printf( "Written %d words of simulation data into file \"%s\".\n", nWords, pFileName ); } int Gia_ManSimPatReadOne( char c ) { @@ -405,11 +404,11 @@ void Gia_ManSimProfile( Gia_Man_t * pGia ) Vec_Wrd_t * vSims = Gia_ManSimPatSim( pGia ); int nWords = Vec_WrdSize(vSims) / Gia_ManObjNum(pGia); int nC0s = 0, nC1s = 0, nUnique = Gia_ManSimPatHashPatterns( pGia, nWords, vSims, &nC0s, &nC1s ); - printf( "Simulating %d words leads to %d unique objects (%.2f %% out of %d), Const0 = %d. Const1 = %d.\n", - nWords, nUnique, 100.0*nUnique/Gia_ManCandNum(pGia), Gia_ManCandNum(pGia), nC0s, nC1s ); + printf( "Simulating %d patterns leads to %d unique objects (%.2f %% out of %d), Const0 = %d. Const1 = %d.\n", + 64*nWords, nUnique, 100.0*nUnique/Gia_ManCandNum(pGia), Gia_ManCandNum(pGia), nC0s, nC1s ); Vec_WrdFree( vSims ); } -void Gia_ManSimPat( Gia_Man_t * p, int nWords0, int fVerbose ) +void Gia_ManPatSatImprove( Gia_Man_t * p, int nWords0, int fVerbose ) { extern Vec_Int_t * Cbs2_ManSolveMiterNc( Gia_Man_t * pAig, int nConfs, Vec_Str_t ** pvStatus, int fVerbose ); int i, Status, Counts[3] = {0}; @@ -418,7 +417,7 @@ void Gia_ManSimPat( Gia_Man_t * p, int nWords0, int fVerbose ) Vec_Str_t * vStatus = NULL; Vec_Int_t * vCexStore = NULL; Vec_Wrd_t * vSims = Gia_ManSimPatSim( p ); - Gia_ManSimProfile( p ); + //Gia_ManSimProfile( p ); pGia = Gia_ManSimPatGenMiter( p, vSims ); vCexStore = Cbs2_ManSolveMiterNc( pGia, 1000, &vStatus, 0 ); Gia_ManStop( pGia ); @@ -427,7 +426,8 @@ void Gia_ManSimPat( Gia_Man_t * p, int nWords0, int fVerbose ) assert( Status >= -1 && Status <= 1 ); Counts[Status+1]++; } - printf( "Total = %d : SAT = %d. UNSAT = %d. UNDEC = %d.\n", Counts[1]+Counts[2]+Counts[0], Counts[1], Counts[2], Counts[0] ); + if ( fVerbose ) + printf( "Total = %d : SAT = %d. UNSAT = %d. UNDEC = %d.\n", Counts[1]+Counts[2]+Counts[0], Counts[1], Counts[2], Counts[0] ); if ( Counts[1] == 0 ) printf( "There are no counter-examples. No need for more simulation.\n" ); else @@ -435,7 +435,7 @@ void Gia_ManSimPat( Gia_Man_t * p, int nWords0, int fVerbose ) vSimsIn = Gia_ManSimBitPacking( p, vCexStore, Counts[1], Counts[0] ); Vec_WrdFreeP( &p->vSimsPi ); p->vSimsPi = vSimsIn; - Gia_ManSimProfile( p ); + //Gia_ManSimProfile( p ); } Vec_StrFree( vStatus ); Vec_IntFree( vCexStore ); @@ -1643,6 +1643,392 @@ Vec_Int_t * Gia_RsbSetFind( word * pOffSet, word * pOnSet, Vec_Wrd_t * vSims, in return vObjs; } +/**Function************************************************************* + + Synopsis [Improving quality of simulation patterns.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +Vec_Int_t * Gia_SimQualityOne( Gia_Man_t * p, Vec_Int_t * vPat, int fPoOnly ) +{ + int i, Id, Value, nWords = Abc_Bit6WordNum( 1+Gia_ManCiNum(p) ); + Vec_Wrd_t * vTemp, * vSims, * vSimsPi = Vec_WrdStart( Gia_ManCiNum(p) * nWords ); + Vec_Int_t * vRes; + assert( Vec_IntSize(vPat) == Gia_ManCiNum(p) ); + Vec_IntForEachEntry( vPat, Value, i ) + { + word * pSim = Vec_WrdEntryP( vSimsPi, i*nWords ); + if ( Value ) + Abc_TtFill( pSim, nWords ); + Abc_TtXorBit( pSim, i+1 ); + } + vTemp = p->vSimsPi; + p->vSimsPi = vSimsPi; + vSims = Gia_ManSimPatSim( p ); + p->vSimsPi = vTemp; + if ( fPoOnly ) + { + vRes = Vec_IntStart( Gia_ManCoNum(p) ); + Gia_ManForEachCoId( p, Id, i ) + { + word * pSim = Vec_WrdEntryP( vSims, Id*nWords ); + if ( pSim[0] & 1 ) + Abc_TtNot( pSim, nWords ); + Vec_IntWriteEntry( vRes, i, Abc_TtCountOnesVec(pSim, nWords) ); + } + assert( Vec_IntSize(vRes) == Gia_ManCoNum(p) ); + } + else + { + vRes = Vec_IntStart( Gia_ManObjNum(p) ); + Gia_ManForEachAndId( p, Id ) + { + word * pSim = Vec_WrdEntryP( vSims, Id*nWords ); + if ( pSim[0] & 1 ) + Abc_TtNot( pSim, nWords ); + Vec_IntWriteEntry( vRes, Id, Abc_TtCountOnesVec(pSim, nWords) ); + } + assert( Vec_IntSize(vRes) == Gia_ManObjNum(p) ); + } + Vec_WrdFree( vSims ); + Vec_WrdFree( vSimsPi ); + return vRes; +} +void Gia_SimQualityTest( Gia_Man_t * p ) +{ + Vec_Int_t * vPat, * vRes; + int k, m, nMints = (1 << Gia_ManCiNum(p)); + assert( Gia_ManCiNum(p) <= 10 ); + for ( m = 0; m < nMints; m++ ) + { + printf( "%d : ", m ); + Extra_PrintBinary( stdout, (unsigned*)&m, Gia_ManCiNum(p) ); + printf( " " ); + vPat = Vec_IntAlloc( Gia_ManCiNum(p) ); + for ( k = 0; k < Gia_ManCiNum(p); k++ ) + Vec_IntPush( vPat, (m >> k) & 1 ); + vRes = Gia_SimQualityOne( p, vPat, 1 ); + printf( "%d ", Vec_IntSum(vRes) ); + Vec_IntFree( vRes ); + Vec_IntFree( vPat ); + printf( "\n" ); + } +} +Vec_Int_t * Gia_SimGenerateStats( Gia_Man_t * p ) +{ + Vec_Int_t * vTotal = Vec_IntStart( Gia_ManObjNum(p) ); + Vec_Int_t * vRes, * vPat; + int i, k, Value; + Abc_Random(1); + for ( i = 0; i < 1000; i++ ) + { + vPat = Vec_IntAlloc( Gia_ManCiNum(p) ); + for ( k = 0; k < Gia_ManCiNum(p); k++ ) + Vec_IntPush( vPat, Abc_Random(0) & 1 ); + vRes = Gia_SimQualityOne( p, vPat, 0 ); + assert( Vec_IntSize(vRes) == Gia_ManObjNum(p) ); + Vec_IntForEachEntry( vRes, Value, k ) + Vec_IntAddToEntry( vTotal, k, Value ); + Vec_IntFree( vRes ); + Vec_IntFree( vPat ); + } + //Vec_IntPrint( vTotal ); + return vTotal; +} +double Gia_SimComputeScore( Gia_Man_t * p, Vec_Int_t * vTotal, Vec_Int_t * vThis ) +{ + double TotalScore = 0; + int i, Total, This; + assert( Vec_IntSize(vTotal) == Vec_IntSize(vThis) ); + Vec_IntForEachEntryTwo( vTotal, vThis, Total, This, i ) + { + if ( Total == 0 ) + Total = 1; + TotalScore += 1000.0*This/Total; + } + return TotalScore == 0 ? 1.0 : TotalScore/Gia_ManAndNum(p); +} +int Gia_SimQualityPatternsMax( Gia_Man_t * p, Vec_Int_t * vPat, int Iter, int fVerbose, Vec_Int_t * vStats ) +{ + int k, MaxIn = -1; + Vec_Int_t * vTries = Vec_IntAlloc( 100 ); + Vec_Int_t * vRes = Gia_SimQualityOne( p, vPat, 0 ); + double Value, InitValue, MaxValue = InitValue = Gia_SimComputeScore( p, vStats, vRes ); + Vec_IntFree( vRes ); + + if ( fVerbose ) + printf( "Iter %5d : Init = %6.3f ", Iter, InitValue ); + + for ( k = 0; k < Gia_ManCiNum(p); k++ ) + { + Vec_IntArray(vPat)[k] ^= 1; + //Vec_IntPrint( vPat ); + + vRes = Gia_SimQualityOne( p, vPat, 0 ); + Value = Gia_SimComputeScore( p, vStats, vRes ); + if ( MaxValue <= Value ) + { + if ( MaxValue < Value ) + Vec_IntClear( vTries ); + Vec_IntPush( vTries, k ); + MaxValue = Value; + MaxIn = k; + } + Vec_IntFree( vRes ); + + Vec_IntArray(vPat)[k] ^= 1; + } + MaxIn = Vec_IntSize(vTries) ? Vec_IntEntry( vTries, rand()%Vec_IntSize(vTries) ) : -1; + if ( fVerbose ) + { + printf( "Final = %6.3f Ratio = %4.2f Tries = %5d ", MaxValue, MaxValue/InitValue, Vec_IntSize(vTries) ); + printf( "Choosing %5d\r", MaxIn ); + } + Vec_IntFree( vTries ); + return MaxIn; +} +Vec_Int_t * Gia_ManPatCollectOne( Gia_Man_t * p, Vec_Wrd_t * vPatterns, int n, int nWords ) +{ + Vec_Int_t * vPat = Vec_IntAlloc( Gia_ManCiNum(p) ); int k; + for ( k = 0; k < Gia_ManCiNum(p); k++ ) + Vec_IntPush( vPat, Abc_TtGetBit( Vec_WrdEntryP(vPatterns, k*nWords), n ) ); + return vPat; +} +void Gia_ManPatUpdateOne( Gia_Man_t * p, Vec_Wrd_t * vPatterns, int n, int nWords, Vec_Int_t * vPat ) +{ + int k, Value; + Vec_IntForEachEntry( vPat, Value, k ) + { + word * pSim = Vec_WrdEntryP( vPatterns, k*nWords ); + if ( Abc_TtGetBit(pSim, n) != Value ) + Abc_TtXorBit( pSim, n ); + } +} +void Gia_ManPatDistImprove( Gia_Man_t * p, int fVerbose ) +{ + int n, k, nWords = Vec_WrdSize(p->vSimsPi) / Gia_ManCiNum(p); + double InitValue, InitTotal = 0, FinalValue, FinalTotal = 0; + Vec_Int_t * vPat, * vRes, * vStats = Gia_SimGenerateStats( p ); + Vec_Wrd_t * vPatterns = p->vSimsPi; p->vSimsPi = NULL; + Abc_Random(1); + for ( n = 0; n < 64*nWords; n++ ) + { + abctime clk = Abc_Clock(); +// if ( n == 32 ) +// break; + + vPat = Gia_ManPatCollectOne( p, vPatterns, n, nWords ); + vRes = Gia_SimQualityOne( p, vPat, 0 ); + InitValue = Gia_SimComputeScore(p, vStats, vRes); + InitTotal += InitValue; + Vec_IntFree( vRes ); + + for ( k = 0; k < 100; k++ ) + { + int MaxIn = Gia_SimQualityPatternsMax( p, vPat, k, fVerbose, vStats ); + if ( MaxIn == -1 ) + break; + assert( MaxIn >= 0 && MaxIn < Gia_ManCiNum(p) ); + Vec_IntArray(vPat)[MaxIn] ^= 1; + } + //Vec_IntPrint( vPat ); + + vRes = Gia_SimQualityOne( p, vPat, 0 ); + FinalValue = Gia_SimComputeScore(p, vStats, vRes); + FinalTotal += FinalValue; + Vec_IntFree( vRes ); + + if ( fVerbose ) + { + printf( "Pat %5d : Tries = %5d InitValue = %6.3f FinalValue = %6.3f Ratio = %4.2f ", + n, k, InitValue, FinalValue, FinalValue/InitValue ); + Abc_PrintTime( 1, "Time", Abc_Clock() - clk ); + } + + Gia_ManPatUpdateOne( p, vPatterns, n, nWords, vPat ); + Vec_IntFree( vPat ); + } + Vec_IntFree( vStats ); + if ( fVerbose ) + printf( "\n" ); + printf( "Improved %d patterns with average init value %.2f and average final value %.2f.\n", + 64*nWords, 1.0*InitTotal/(64*nWords), 1.0*FinalTotal/(64*nWords) ); + p->vSimsPi = vPatterns; +} + +/**Function************************************************************* + + Synopsis [Improving quality of simulation patterns.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +Vec_Int_t * Gia_SimCollectRare( Gia_Man_t * p, Vec_Wrd_t * vPatterns, int RareLimit ) +{ + Vec_Int_t * vRareCounts = Vec_IntAlloc( 100 ); // (node, rare_count) pairs + int Id, nWords = Vec_WrdSize(vPatterns) / Gia_ManCiNum(p), TotalBits = 64*nWords; + Vec_Wrd_t * vSims, * vTemp = p->vSimsPi; + assert( Vec_WrdSize(vPatterns) % Gia_ManCiNum(p) == 0 ); + p->vSimsPi = vPatterns; + vSims = Gia_ManSimPatSim( p ); + p->vSimsPi = vTemp; + Gia_ManForEachAndId( p, Id ) + { + word * pSim = Vec_WrdEntryP( vSims, Id*nWords ); + int Count = Abc_TtCountOnesVec( pSim, nWords ); + int fRareOne = Count < TotalBits/2; // fRareOne is 1 if rare value is 1 + int CountRare = fRareOne ? Count : TotalBits - Count; + assert( CountRare <= TotalBits/2 ); + if ( CountRare <= RareLimit ) + Vec_IntPushTwo( vRareCounts, Abc_Var2Lit(Id, fRareOne), CountRare ); + } + Vec_WrdFree( vSims ); + return vRareCounts; +} +Vec_Flt_t * Gia_SimQualityImpact( Gia_Man_t * p, Vec_Int_t * vPat, Vec_Int_t * vRareCounts ) +{ + Vec_Flt_t * vQuoIncs = Vec_FltStart( Gia_ManCiNum(p) ); + int nWordsNew = Abc_Bit6WordNum( 1+Gia_ManCiNum(p) ); + Vec_Wrd_t * vSimsPiNew = Vec_WrdStart( Gia_ManCiNum(p) * nWordsNew ); + Vec_Wrd_t * vTemp, * vSims; + int i, k, Value, RareLit, RareCount; + assert( Vec_IntSize(vPat) == Gia_ManCiNum(p) ); + Vec_IntForEachEntry( vPat, Value, i ) + { + word * pSim = Vec_WrdEntryP( vSimsPiNew, i*nWordsNew ); + if ( Value ) + Abc_TtFill( pSim, nWordsNew ); + Abc_TtXorBit( pSim, i+1 ); + } + vTemp = p->vSimsPi; + p->vSimsPi = vSimsPiNew; + vSims = Gia_ManSimPatSim( p ); + p->vSimsPi = vTemp; + Vec_IntForEachEntryDouble( vRareCounts, RareLit, RareCount, i ) + { + float Incrm = (float)1.0/(RareCount+1); + int RareObj = Abc_Lit2Var(RareLit); + int RareVal = Abc_LitIsCompl(RareLit); + word * pSim = Vec_WrdEntryP( vSims, RareObj*nWordsNew ); + int OrigVal = pSim[0] & 1; + if ( OrigVal ) + Abc_TtNot( pSim, nWordsNew ); + for ( k = 0; k < Gia_ManCiNum(p); k++ ) + if ( Abc_TtGetBit(pSim, k+1) ) // value changed + Vec_FltAddToEntry( vQuoIncs, k, OrigVal != RareVal ? Incrm : -Incrm ); + } + Vec_WrdFree( vSims ); + Vec_WrdFree( vSimsPiNew ); + return vQuoIncs; +} +Vec_Int_t * Gia_SimCollectBest( Vec_Flt_t * vQuo ) +{ + Vec_Int_t * vRes; int i; + float Value, ValueMax = Vec_FltFindMax( vQuo ); + if ( ValueMax <= 0 ) + return NULL; + vRes = Vec_IntAlloc( 100 ); // variables with max quo + Vec_FltForEachEntry( vQuo, Value, i ) + if ( Value == ValueMax ) + Vec_IntPush( vRes, i ); + return vRes; +} +float Gia_ManPatGetQuo( Gia_Man_t * p, Vec_Int_t * vRareCounts, Vec_Wrd_t * vSims, int n, int nWords ) +{ + float Quality = 0; + int RareLit, RareCount, i; + assert( Vec_WrdSize(vSims) == Gia_ManObjNum(p) ); + Vec_IntForEachEntryDouble( vRareCounts, RareLit, RareCount, i ) + { + float Incrm = (float)1.0/(RareCount+1); + int RareObj = Abc_Lit2Var(RareLit); + int RareVal = Abc_LitIsCompl(RareLit); + word * pSim = Vec_WrdEntryP( vSims, RareObj*nWords ); + if ( Abc_TtGetBit(pSim, n) == RareVal ) + Quality += Incrm; + } + return Quality; +} +float Gia_ManPatGetTotalQuo( Gia_Man_t * p, int RareLimit, Vec_Wrd_t * vPatterns, int nWords ) +{ + float Total = 0; int n; + Vec_Int_t * vRareCounts = Gia_SimCollectRare( p, vPatterns, RareLimit ); + Vec_Wrd_t * vSims, * vTemp = p->vSimsPi; + p->vSimsPi = vPatterns; + vSims = Gia_ManSimPatSim( p ); + p->vSimsPi = vTemp; + for ( n = 0; n < 64*nWords; n++ ) + Total += Gia_ManPatGetQuo( p, vRareCounts, vSims, n, nWords ); + Vec_IntFree( vRareCounts ); + Vec_WrdFree( vSims ); + return Total; +} +float Gia_ManPatGetOneQuo( Gia_Man_t * p, int RareLimit, Vec_Wrd_t * vPatterns, int nWords, int n ) +{ + float Total = 0; + Vec_Int_t * vRareCounts = Gia_SimCollectRare( p, vPatterns, RareLimit ); + Vec_Wrd_t * vSims, * vTemp = p->vSimsPi; + p->vSimsPi = vPatterns; + vSims = Gia_ManSimPatSim( p ); + p->vSimsPi = vTemp; + Total += Gia_ManPatGetQuo( p, vRareCounts, vSims, n, nWords ); + Vec_IntFree( vRareCounts ); + Vec_WrdFree( vSims ); + return Total; +} +void Gia_ManPatRareImprove( Gia_Man_t * p, int RareLimit, int fVerbose ) +{ + abctime clk = Abc_Clock(); + float FinalTotal, InitTotal; + int n, nRares = 0, nChanges = 0, nWords = Vec_WrdSize(p->vSimsPi) / Gia_ManCiNum(p); + Vec_Wrd_t * vPatterns = p->vSimsPi; p->vSimsPi = NULL; + InitTotal = Gia_ManPatGetTotalQuo( p, RareLimit, vPatterns, nWords ); + for ( n = 0; n < 64*nWords; n++ ) + { + abctime clk = Abc_Clock(); + Vec_Int_t * vRareCounts = Gia_SimCollectRare( p, vPatterns, RareLimit ); + Vec_Int_t * vPat = Gia_ManPatCollectOne( p, vPatterns, n, nWords ); + Vec_Flt_t * vQuoIncs = Gia_SimQualityImpact( p, vPat, vRareCounts ); + Vec_Int_t * vBest = Gia_SimCollectBest( vQuoIncs ); + if ( fVerbose ) + { + float PatQuo = Gia_ManPatGetOneQuo( p, RareLimit, vPatterns, nWords, n ); + printf( "Pat %5d : Rare = %4d Cands = %3d Value = %8.3f Change = %8.3f ", + n, Vec_IntSize(vRareCounts)/2, vBest ? Vec_IntSize(vBest) : 0, + PatQuo, vBest ? Vec_FltEntry(vQuoIncs, Vec_IntEntry(vBest,0)) : 0 ); + Abc_PrintTime( 1, "Time", Abc_Clock() - clk ); + } + if ( vBest != NULL ) + { + int VarBest = Vec_IntEntry( vBest, rand()%Vec_IntSize(vBest) ); + Abc_TtXorBit( Vec_WrdEntryP(vPatterns, VarBest*nWords), n ); + nChanges++; + } + nRares = Vec_IntSize(vRareCounts)/2; + Vec_IntFree( vRareCounts ); + Vec_IntFree( vPat ); + Vec_FltFree( vQuoIncs ); + Vec_IntFreeP( &vBest ); + } + if ( fVerbose ) + printf( "\n" ); + FinalTotal = Gia_ManPatGetTotalQuo( p, RareLimit, vPatterns, nWords ); + p->vSimsPi = vPatterns; + + printf( "Improved %d out of %d patterns using %d rare nodes: %.2f -> %.2f. ", + nChanges, 64*nWords, nRares, InitTotal, FinalTotal ); + Abc_PrintTime( 1, "Time", Abc_Clock() - clk ); +} + //////////////////////////////////////////////////////////////////////// /// END OF FILE /// //////////////////////////////////////////////////////////////////////// |