1 files changed, 175 insertions, 0 deletions
diff --git a/src/misc/mvc/mvcCube.c b/src/misc/mvc/mvcCube.c
new file mode 100644
index 00000000..d02fa270
--- /dev/null
+++ b/src/misc/mvc/mvcCube.c
@@ -0,0 +1,175 @@
+/**CFile****************************************************************
+
+  FileName    [mvcCube.c]
+
+  PackageName [MVSIS 2.0: Multi-valued logic synthesis system.]
+
+  Synopsis    [Manipulating unate cubes.]
+
+  Author      [MVSIS Group]
+  
+  Affiliation [UC Berkeley]
+
+  Date        [Ver. 1.0. Started - February 1, 2003.]
+
+  Revision    [$Id: mvcCube.c,v 1.4 2003/04/03 06:31:49 alanmi Exp $]
+
+***********************************************************************/
+
+#include "mvc.h"
+
+////////////////////////////////////////////////////////////////////////
+///                        DECLARATIONS                              ///
+////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////////////////
+///                     FUNCTION DEFITIONS                           ///
+////////////////////////////////////////////////////////////////////////
+
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+Mvc_Cube_t * Mvc_CubeAlloc( Mvc_Cover_t * pCover )
+{
+    Mvc_Cube_t * pCube;
+
+    assert( pCover->nWords >= 0 );
+    // allocate the cube
+#ifdef USE_SYSTEM_MEMORY_MANAGEMENT
+    if ( pCover->nWords == 0 )
+        pCube = (Mvc_Cube_t *)malloc( sizeof(Mvc_Cube_t) );
+    else
+        pCube = (Mvc_Cube_t *)malloc( sizeof(Mvc_Cube_t) + sizeof(Mvc_CubeWord_t) * (pCover->nWords - 1) );
+#else
+    switch( pCover->nWords )
+    {
+    case 0:
+    case 1:
+        pCube = (Mvc_Cube_t *)Extra_MmFixedEntryFetch( pCover->pMem->pMan1 );
+        break;
+    case 2:
+        pCube = (Mvc_Cube_t *)Extra_MmFixedEntryFetch( pCover->pMem->pMan2 );
+        break;
+    case 3:
+    case 4:
+        pCube = (Mvc_Cube_t *)Extra_MmFixedEntryFetch( pCover->pMem->pMan4 );
+        break;
+    default:
+        pCube = (Mvc_Cube_t *)malloc( sizeof(Mvc_Cube_t) + sizeof(Mvc_CubeWord_t) * (pCover->nWords - 1) );
+        break;
+    }
+#endif
+    // set the parameters charactering this cube
+    if ( pCover->nWords == 0 )
+        pCube->iLast   = pCover->nWords;
+    else
+        pCube->iLast   = pCover->nWords - 1;
+    pCube->nUnused = pCover->nUnused;
+    return pCube;
+}
+
+
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+Mvc_Cube_t * Mvc_CubeDup( Mvc_Cover_t * pCover, Mvc_Cube_t * pCube )
+{
+    Mvc_Cube_t * pCubeCopy;
+    pCubeCopy = Mvc_CubeAlloc( pCover );
+    Mvc_CubeBitCopy( pCubeCopy, pCube );
+    return pCubeCopy;
+}
+
+
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Mvc_CubeFree( Mvc_Cover_t * pCover, Mvc_Cube_t * pCube )
+{
+    if ( pCube == NULL )
+        return;
+
+    // verify the parameters charactering this cube
+    assert( pCube->iLast == 0 || ((int)pCube->iLast) == pCover->nWords - 1 );
+    assert( ((int)pCube->nUnused) == pCover->nUnused );
+
+    // deallocate the cube
+#ifdef USE_SYSTEM_MEMORY_MANAGEMENT
+    free( pCube );
+#else
+    switch( pCover->nWords )
+    {
+    case 0:
+    case 1:
+        Extra_MmFixedEntryRecycle( pCover->pMem->pMan1, (char *)pCube );
+        break;
+    case 2:
+        Extra_MmFixedEntryRecycle( pCover->pMem->pMan2, (char *)pCube );
+        break;
+    case 3:
+    case 4:
+        Extra_MmFixedEntryRecycle( pCover->pMem->pMan4, (char *)pCube );
+        break;
+    default:
+        free( pCube );
+        break;
+    }
+#endif
+}
+
+
+/**Function*************************************************************
+
+  Synopsis    [Removes the don't-care variable from the cube.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Mvc_CubeBitRemoveDcs( Mvc_Cube_t * pCube )
+{
+    unsigned Mask;
+    int i;
+    for ( i = Mvc_CubeReadLast(pCube); i >= 0; i-- )
+    {
+        // detect those variables that are different (not DCs)
+        Mask = (pCube->pData[i] ^ (pCube->pData[i] >> 1)) & BITS_DISJOINT; 
+        // create the mask of all that are different
+        Mask |= (Mask << 1);
+        // remove other bits from the set
+        pCube->pData[i] &= Mask;
+    }
+}
+
+////////////////////////////////////////////////////////////////////////
+///                       END OF FILE                                ///
+////////////////////////////////////////////////////////////////////////
+
+