diff options
Diffstat (limited to 'src/base')
| -rw-r--r-- | src/base/abci/abc.c | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c index 8668a1f2..83c98e10 100644 --- a/src/base/abci/abc.c +++ b/src/base/abci/abc.c @@ -32507,11 +32507,12 @@ usage: ***********************************************************************/ int Abc_CommandAbc9Cof( Abc_Frame_t * pAbc, int argc, char ** argv ) { + extern Gia_Man_t * Gia_ManComputeCofs( Gia_Man_t * p, int nVars ); Gia_Man_t * pTemp; int c, fVerbose = 0; - int iVar = 0, nLimFan = 0; + int iVar = 0, nLimFan = 0, nVars = 0; Extra_UtilGetoptReset(); - while ( ( c = Extra_UtilGetopt( argc, argv, "VLvh" ) ) != EOF ) + while ( ( c = Extra_UtilGetopt( argc, argv, "VLNvh" ) ) != EOF ) { switch ( c ) { @@ -32537,6 +32538,17 @@ int Abc_CommandAbc9Cof( Abc_Frame_t * pAbc, int argc, char ** argv ) if ( nLimFan < 0 ) goto usage; break; + case 'N': + if ( globalUtilOptind >= argc ) + { + Abc_Print( -1, "Command line switch \"-N\" should be followed by an integer.\n" ); + goto usage; + } + nVars = atoi(argv[globalUtilOptind]); + globalUtilOptind++; + if ( nVars < 0 ) + goto usage; + break; case 'v': fVerbose ^= 1; break; @@ -32551,7 +32563,13 @@ int Abc_CommandAbc9Cof( Abc_Frame_t * pAbc, int argc, char ** argv ) Abc_Print( -1, "Abc_CommandAbc9Cof(): There is no AIG.\n" ); return 1; } - if ( nLimFan ) + if ( nVars ) + { + Abc_Print( -1, "Cofactoring the last %d inputs.\n", nVars ); + pTemp = Gia_ManComputeCofs( pAbc->pGia, nVars ); + Abc_FrameUpdateGia( pAbc, pTemp ); + } + else if ( nLimFan ) { Abc_Print( -1, "Cofactoring all variables whose fanout count is higher than %d.\n", nLimFan ); pTemp = Gia_ManDupCofAll( pAbc->pGia, nLimFan, fVerbose ); @@ -32571,10 +32589,11 @@ int Abc_CommandAbc9Cof( Abc_Frame_t * pAbc, int argc, char ** argv ) return 0; usage: - Abc_Print( -2, "usage: &cof [-VL num] [-vh]\n" ); + Abc_Print( -2, "usage: &cof [-VLN num] [-vh]\n" ); Abc_Print( -2, "\t performs cofactoring w.r.t. variable(s)\n" ); Abc_Print( -2, "\t-V num : the zero-based ID of one variable to cofactor [default = %d]\n", iVar ); Abc_Print( -2, "\t-L num : cofactor vars with fanout count higher than this [default = %d]\n", nLimFan ); + Abc_Print( -2, "\t-N num : cofactoring the given number of last input variables [default = %d]\n", nVars ); Abc_Print( -2, "\t-v : toggle printing verbose information [default = %s]\n", fVerbose? "yes": "no" ); Abc_Print( -2, "\t-h : print the command usage\n"); return 1; @@ -49263,8 +49282,6 @@ int Abc_CommandAbc9Test( Abc_Frame_t * pAbc, int argc, char ** argv ) } Abc_FrameUpdateGia( pAbc, Gia_ManPerformNewResub(pAbc->pGia, 100, 8, 1, 1) ); // printf( "AIG in \"%s\" has the sum of output support sizes equal to %d.\n", pAbc->pGia->pSpec, Gia_ManSumTotalOfSupportSizes(pAbc->pGia) ); - //Gia_ManExtractTest( pAbc->pGia ); - //Abc_Tt6MinTest2( pAbc->pGia ); return 0; usage: Abc_Print( -2, "usage: &test [-FW num] [-svh]\n" ); |