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Experiments with CNF generation.

This commit is contained in:
Alan Mishchenko 2014-06-18 17:28:20 -07:00
parent 590f74e9c1
commit 9842a666e6
3 changed files with 13 additions and 7 deletions
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5
src/aig/gia/giaJf.c
View File

@ -397,7 +397,10 @@ void Jf_ManFree( Jf_Man_t * p )
if ( p->pPars->fVerbose && p->pDsd )
Sdm_ManPrintDsdStats( p->pDsd, 0 );
if ( p->pPars->fVerbose && p->vTtMem )
printf( "Unique truth tables = %d. Memory = %.2f MB\n", Vec_MemEntryNum(p->vTtMem), Vec_MemMemory(p->vTtMem) / (1<<20) );
{
printf( "Unique truth tables = %d. Memory = %.2f MB ", Vec_MemEntryNum(p->vTtMem), Vec_MemMemory(p->vTtMem) / (1<<20) );
Abc_PrintTime( 1, "Time", Abc_Clock() - p->clkStart );
}
if ( p->pPars->fVeryVerbose && p->pPars->fCutMin && p->pPars->fFuncDsd )
Jf_ManProfileClasses( p );
if ( p->pPars->fCoarsen )

2
src/bool/rsb/rsbDec6.c
View File

@ -519,7 +519,7 @@ void Rsb_DecPrintFunc( Rsb_Man_t * p, unsigned Truth4, word * f, word ** ppGs, i
word Copy = Truth4;
word wOn = Abc_Tt6Stretch( Copy >> (1 << nVars), nVars );
word wOnDc = ~Abc_Tt6Stretch( Copy, nVars );
word wIsop = Abc_Tt6Isop( wOn, wOnDc, nVars );
word wIsop = Abc_Tt6Isop( wOn, wOnDc, nVars, NULL );
int i;
printf( "Offset : " );

13
src/misc/util/utilTruth.h
View File

@ -1416,16 +1416,19 @@ static inline void Abc_TtReverseBits( word * pTruth, int nVars )
SeeAlso []
***********************************************************************/
static inline word Abc_Tt6Isop( word uOn, word uOnDc, int nVars )
static inline word Abc_Tt6Isop( word uOn, word uOnDc, int nVars, int * pnCubes )
{
word uOn0, uOn1, uOnDc0, uOnDc1, uRes0, uRes1, uRes2;
int Var;
assert( nVars <= 5 );
assert( nVars <= 6 );
assert( (uOn & ~uOnDc) == 0 );
if ( uOn == 0 )
return 0;
if ( uOnDc == ~(word)0 )
{
(*pnCubes)++;
return ~(word)0;
}
assert( nVars > 0 );
// find the topmost var
for ( Var = nVars-1; Var >= 0; Var-- )
@ -1438,9 +1441,9 @@ static inline word Abc_Tt6Isop( word uOn, word uOnDc, int nVars )
uOnDc0 = Abc_Tt6Cofactor0( uOnDc, Var );
uOnDc1 = Abc_Tt6Cofactor1( uOnDc, Var );
// solve for cofactors
uRes0 = Abc_Tt6Isop( uOn0 & ~uOnDc1, uOnDc0, Var );
uRes1 = Abc_Tt6Isop( uOn1 & ~uOnDc0, uOnDc1, Var );
uRes2 = Abc_Tt6Isop( (uOn0 & ~uRes0) | (uOn1 & ~uRes1), uOnDc0 & uOnDc1, Var );
uRes0 = Abc_Tt6Isop( uOn0 & ~uOnDc1, uOnDc0, Var, pnCubes );
uRes1 = Abc_Tt6Isop( uOn1 & ~uOnDc0, uOnDc1, Var, pnCubes );
uRes2 = Abc_Tt6Isop( (uOn0 & ~uRes0) | (uOn1 & ~uRes1), uOnDc0 & uOnDc1, Var, pnCubes );
// derive the final truth table
uRes2 |= (uRes0 & s_Truths6Neg[Var]) | (uRes1 & s_Truths6[Var]);
assert( (uOn & ~uRes2) == 0 );