Experiments with CEC.

berkeley-abc · Sep 8, 2023 · a4755a3 · a4755a3
1 parent 55aba17
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Showing 3 changed files with 143 additions and 1 deletion.
diff --git a/src/aig/gia/giaDup.c b/src/aig/gia/giaDup.c
@@ -5642,6 +5642,7 @@ Gia_Man_t * Gia_ManDupAddFlop( Gia_Man_t * p )
     Gia_Obj_t * pObj;
     int i;
     pNew = Gia_ManStart( Gia_ManObjNum(p) + 2 );
+    pNew->pName = Abc_UtilStrsav(p->pName);
     Gia_ManConst0(p)->Value = 0;
     Gia_ManForEachCi( p, pObj, i )
         pObj->Value = Gia_ManAppendCi( pNew );
@@ -5655,6 +5656,69 @@ Gia_Man_t * Gia_ManDupAddFlop( Gia_Man_t * p )
     return pNew;
 }
 
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+Gia_Man_t * Gia_ManBoundaryMiter( Gia_Man_t * p1, Gia_Man_t * p2, int fVerbose )
+{
+    Vec_Int_t * vLits;
+    Gia_Man_t * pNew, * pTemp;
+    Gia_Obj_t * pObj;
+    int i, iLit;
+    if ( Gia_ManBufNum(p1) == 0 ) {
+        printf( "The first AIG should have a boundary.\n" );
+        return NULL;
+    }
+    if ( Gia_ManBufNum(p2) != 0 ) {
+        printf( "The second AIG should have no boundary.\n" );
+        return NULL;
+    }
+    assert( Gia_ManBufNum(p1) > 0 );
+    assert( Gia_ManBufNum(p2) == 0 );
+    assert( Gia_ManRegNum(p1) == 0 );
+    assert( Gia_ManRegNum(p2) == 0 );        
+    assert( Gia_ManCiNum(p1) == Gia_ManCiNum(p2) );
+    assert( Gia_ManCoNum(p1) == Gia_ManCoNum(p2) );
+    vLits = Vec_IntAlloc( Gia_ManBufNum(p1) );
+    if ( fVerbose )
+        printf( "Creating a boundary miter with %d inputs, %d outputs, and %d buffers.\n", 
+            Gia_ManCiNum(p1), Gia_ManCoNum(p1), Gia_ManBufNum(p1) );
+    pNew = Gia_ManStart( Gia_ManObjNum(p1) + Gia_ManObjNum(p2) );
+    pNew->pName = ABC_ALLOC( char, strlen(p1->pName) + 10 );
+    sprintf( pNew->pName, "%s_bmiter", p1->pName );
+    Gia_ManHashStart( pNew );
+    Gia_ManConst0(p1)->Value = 0;
+    Gia_ManConst0(p2)->Value = 0;
+    Gia_ManForEachCi( p1, pObj, i )
+        pObj->Value = Gia_ManCi(p2, i)->Value = Gia_ManAppendCi( pNew );
+    Gia_ManForEachAnd( p2, pObj, i )
+        pObj->Value = Gia_ManHashAnd( pNew, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj) );
+    Gia_ManForEachAnd( p1, pObj, i ) {
+        pObj->Value = Gia_ManHashAnd( pNew, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj) );
+        if ( Gia_ObjIsBuf(pObj) )
+            Vec_IntPush( vLits, pObj->Value );
+    }
+    Gia_ManForEachCo( p2, pObj, i )
+        Gia_ManAppendCo( pNew, Gia_ObjFanin0Copy(pObj) );
+    Gia_ManForEachCo( p1, pObj, i )
+        Gia_ManAppendCo( pNew, Gia_ObjFanin0Copy(pObj) );
+    Vec_IntForEachEntry( vLits, iLit, i )
+        Gia_ManAppendCo( pNew, iLit );
+    Vec_IntFree( vLits );
+    Gia_ManHashStop( pNew );
+    pNew = Gia_ManCleanup( pTemp = pNew );
+    Gia_ManStop( pTemp );    
+    return pNew;
+}
+
 ////////////////////////////////////////////////////////////////////////
 ///                       END OF FILE                                ///
 ////////////////////////////////////////////////////////////////////////

diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c
@@ -594,6 +594,7 @@ static int Abc_CommandAbc9Gen                ( Abc_Frame_t * pAbc, int argc, cha
 static int Abc_CommandAbc9Cfs                ( Abc_Frame_t * pAbc, int argc, char ** argv );
 static int Abc_CommandAbc9ProdAdd            ( Abc_Frame_t * pAbc, int argc, char ** argv );
 static int Abc_CommandAbc9AddFlop            ( Abc_Frame_t * pAbc, int argc, char ** argv );
+static int Abc_CommandAbc9BMiter             ( Abc_Frame_t * pAbc, int argc, char ** argv );
 
 static int Abc_CommandAbc9Test               ( Abc_Frame_t * pAbc, int argc, char ** argv );
 
@@ -1362,6 +1363,7 @@ void Abc_Init( Abc_Frame_t * pAbc )
     Cmd_CommandAdd( pAbc, "ABC9",         "&cfs",          Abc_CommandAbc9Cfs,                    0 );
     Cmd_CommandAdd( pAbc, "ABC9",         "&prodadd",      Abc_CommandAbc9ProdAdd,                0 );
     Cmd_CommandAdd( pAbc, "ABC9",         "&addflop",      Abc_CommandAbc9AddFlop,                0 );    
+    Cmd_CommandAdd( pAbc, "ABC9",         "&bmiter",       Abc_CommandAbc9BMiter,                 0 );    
 
     Cmd_CommandAdd( pAbc, "ABC9",         "&test",         Abc_CommandAbc9Test,         0 );
     {
@@ -51472,7 +51474,7 @@ int Abc_CommandAbc9AddFlop( Abc_Frame_t * pAbc, int argc, char ** argv )
     }
     if ( pAbc->pGia == NULL )
     {
-        Abc_Print( -1, "Abc_CommandAbc9Decla(): There is no AIG.\n" );
+        Abc_Print( -1, "Abc_CommandAbc9AddFlop(): There is no AIG.\n" );
         return 0;
     }
     pTemp = Gia_ManDupAddFlop( pAbc->pGia );
@@ -51487,6 +51489,81 @@ int Abc_CommandAbc9AddFlop( Abc_Frame_t * pAbc, int argc, char ** argv )
     return 1;
 }
 
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+int Abc_CommandAbc9BMiter( Abc_Frame_t * pAbc, int argc, char ** argv )
+{
+    extern Gia_Man_t * Gia_ManBoundaryMiter( Gia_Man_t * p1, Gia_Man_t * p2, int fVerbose );
+    Gia_Man_t * pTemp, * pSecond;
+    char * FileName = NULL;
+    FILE * pFile = NULL;
+    int c, fVerbose = 0;
+    Extra_UtilGetoptReset();
+    while ( ( c = Extra_UtilGetopt( argc, argv, "vh" ) ) != EOF )
+    {
+        switch ( c )
+        {
+        case 'v':
+            fVerbose ^= 1;
+            break;
+        case 'h':
+            goto usage;
+        default:
+            goto usage;
+        }
+    }
+    if ( pAbc->pGia == NULL )
+    {
+        Abc_Print( -1, "Abc_CommandAbc9BMiter(): There is no AIG.\n" );
+        return 0;
+    }
+    if ( argc != globalUtilOptind + 1 )
+    {
+        Abc_Print( -1, "Abc_CommandAbc9BMiter(): AIG should be given on the command line.\n" );
+        return 0;
+    }
+
+    // get the input file name
+    FileName = argv[globalUtilOptind];
+    if ( (pFile = fopen( FileName, "r" )) == NULL )
+    {
+        Abc_Print( -1, "Cannot open input file \"%s\". ", FileName );
+        if ( (FileName = Extra_FileGetSimilarName( FileName, ".aig", ".blif", ".pla", ".eqn", ".bench" )) )
+            Abc_Print( 1, "Did you mean \"%s\"?", FileName );
+        Abc_Print( 1, "\n" );
+        return 1;
+    }
+    fclose( pFile );
+
+    pSecond = Gia_AigerRead( FileName, 0, 0, 0 );
+    if ( pSecond == NULL )
+    {
+        Abc_Print( -1, "Abc_CommandAbc9BMiter(): Cannot read the file name on the command line.\n" );
+        return 0;
+    }    
+    pTemp = Gia_ManBoundaryMiter( pAbc->pGia, pSecond, fVerbose );
+    Gia_ManStop( pSecond );
+    Abc_FrameUpdateGia( pAbc, pTemp );
+    return 0;
+
+usage:
+    Abc_Print( -2, "usage: &bmiter [-vh] <file>\n" );
+    Abc_Print( -2, "\t         creates the boundary miter\n" );
+    Abc_Print( -2, "\t-v     : toggles printing verbose information [default = %s]\n",  fVerbose? "yes": "no" );
+    Abc_Print( -2, "\t-h     : print the command usage\n");
+    Abc_Print( -2, "\t<file> : the implementation file\n");    
+    return 1;
+}
+
 /**Function*************************************************************
 
   Synopsis    []

diff --git a/src/base/wln/wlnRead.c b/src/base/wln/wlnRead.c
@@ -2748,6 +2748,7 @@ Gia_Man_t * Gia_ManDupPermIO( Gia_Man_t * p, Vec_Int_t * vPermI, Vec_Int_t * vPe
     assert( Vec_IntSize(vPermI) == Gia_ManCiNum(p) );
     assert( Vec_IntSize(vPermO) == Gia_ManCoNum(p) );
     pNew = Gia_ManStart( Gia_ManObjNum(p) );
+    pNew->pName = Abc_UtilStrsav(p->pName);
     Gia_ManConst0(p)->Value = 0;
     Gia_ManForEachCi( p, pObj, i )
         Gia_ManCi(p, Vec_IntEntry(vPermI, i))->Value = Gia_ManAppendCi(pNew);