1 files changed, 151 insertions, 0 deletions
diff --git a/src/misc/mvc/mvcOpBool.c b/src/misc/mvc/mvcOpBool.c
new file mode 100644
index 00000000..57b1a968
--- /dev/null
+++ b/src/misc/mvc/mvcOpBool.c
@@ -0,0 +1,151 @@
+/**CFile****************************************************************
+
+  FileName    [mvcProc.c]
+
+  PackageName [MVSIS 2.0: Multi-valued logic synthesis system.]
+
+  Synopsis    [Various boolean procedures working with covers.]
+
+  Author      [MVSIS Group]
+  
+  Affiliation [UC Berkeley]
+
+  Date        [Ver. 1.0. Started - February 1, 2003.]
+
+  Revision    [$Id: mvcOpBool.c,v 1.4 2003/04/16 01:55:37 alanmi Exp $]
+
+***********************************************************************/
+
+#include "mvc.h"
+
+////////////////////////////////////////////////////////////////////////
+///                        DECLARATIONS                              ///
+////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////////////////
+///                     FUNCTION DEFITIONS                           ///
+////////////////////////////////////////////////////////////////////////
+
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+Mvc_Cover_t * Mvc_CoverBooleanOr( Mvc_Cover_t * pCover1, Mvc_Cover_t * pCover2 )
+{
+    Mvc_Cover_t * pCover;
+    Mvc_Cube_t * pCube, * pCubeCopy;
+    // make sure the covers are compatible
+    assert( pCover1->nBits == pCover2->nBits );
+    // clone the cover
+    pCover = Mvc_CoverClone( pCover1 );
+    // create the cubes by making pair-wise products
+    // of cubes in pCover1 and pCover2
+    Mvc_CoverForEachCube( pCover1, pCube )
+    {
+        pCubeCopy = Mvc_CubeDup( pCover, pCube );
+        Mvc_CoverAddCubeTail( pCover, pCubeCopy );
+    }
+    Mvc_CoverForEachCube( pCover2, pCube )
+    {
+        pCubeCopy = Mvc_CubeDup( pCover, pCube );
+        Mvc_CoverAddCubeTail( pCover, pCubeCopy );
+    }
+    return pCover;
+}
+
+#if 0
+
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+Mvc_Cover_t * Mvc_CoverBooleanAnd( Mvc_Data_t * p, Mvc_Cover_t * pCover1, Mvc_Cover_t * pCover2 )
+{
+    Mvc_Cover_t * pCover;
+    Mvc_Cube_t * pCube1, * pCube2, * pCubeCopy;
+    // make sure the covers are compatible
+    assert( pCover1->nBits == pCover2->nBits );
+    // clone the cover
+    pCover = Mvc_CoverClone( pCover1 );
+    // create the cubes by making pair-wise products
+    // of cubes in pCover1 and pCover2
+    Mvc_CoverForEachCube( pCover1, pCube1 )
+    {
+        Mvc_CoverForEachCube( pCover2, pCube2 )
+        {
+            if ( Mvc_CoverDist0Cubes( p, pCube1, pCube2 ) )
+            {
+                pCubeCopy = Mvc_CubeAlloc( pCover );
+                Mvc_CubeBitAnd( pCubeCopy, pCube1, pCube2 );
+                Mvc_CoverAddCubeTail( pCover, pCubeCopy );
+            }
+        }
+        // if the number of cubes in the new cover is too large
+        // try compressing them
+        if ( Mvc_CoverReadCubeNum( pCover ) > 500 )
+            Mvc_CoverContain( pCover );
+    }
+    return pCover;
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Returns 1 if the two covers are equal.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+int Mvc_CoverBooleanEqual( Mvc_Data_t * p, Mvc_Cover_t * pCover1, Mvc_Cover_t * pCover2 )
+{
+    Mvc_Cover_t * pSharp;
+
+    pSharp = Mvc_CoverSharp( p, pCover1, pCover2 );
+    if ( Mvc_CoverReadCubeNum( pSharp ) )
+    {
+Mvc_CoverContain( pSharp );
+printf( "Sharp \n" );
+Mvc_CoverPrint( pSharp );
+        Mvc_CoverFree( pSharp );
+        return 0;
+    }
+    Mvc_CoverFree( pSharp );
+
+    pSharp = Mvc_CoverSharp( p, pCover2, pCover1 );
+    if ( Mvc_CoverReadCubeNum( pSharp ) )
+    {
+Mvc_CoverContain( pSharp );
+printf( "Sharp \n" );
+Mvc_CoverPrint( pSharp );
+        Mvc_CoverFree( pSharp );
+        return 0;
+    }
+    Mvc_CoverFree( pSharp );
+
+    return 1;
+}
+
+#endif
+
+////////////////////////////////////////////////////////////////////////
+///                       END OF FILE                                ///
+////////////////////////////////////////////////////////////////////////
+
+