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Diffstat (limited to 'src/misc/mvc/mvcCover.c')
-rw-r--r-- | src/misc/mvc/mvcCover.c | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/src/misc/mvc/mvcCover.c b/src/misc/mvc/mvcCover.c new file mode 100644 index 00000000..bd9c4412 --- /dev/null +++ b/src/misc/mvc/mvcCover.c @@ -0,0 +1,251 @@ +/**CFile**************************************************************** + + FileName [mvcCover.c] + + PackageName [MVSIS 2.0: Multi-valued logic synthesis system.] + + Synopsis [Basic procedures to manipulate unate cube covers.] + + Author [MVSIS Group] + + Affiliation [UC Berkeley] + + Date [Ver. 1.0. Started - February 1, 2003.] + + Revision [$Id: mvcCover.c,v 1.5 2003/04/09 18:02:05 alanmi Exp $] + +***********************************************************************/ + +#include "mvc.h" + +//////////////////////////////////////////////////////////////////////// +/// DECLARATIONS /// +//////////////////////////////////////////////////////////////////////// + +//////////////////////////////////////////////////////////////////////// +/// FUNCTION DEFITIONS /// +//////////////////////////////////////////////////////////////////////// + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +Mvc_Cover_t * Mvc_CoverAlloc( Mvc_Manager_t * pMem, int nBits ) +{ + Mvc_Cover_t * p; + int nBitsInUnsigned; + + nBitsInUnsigned = 8 * sizeof(Mvc_CubeWord_t); +#ifdef USE_SYSTEM_MEMORY_MANAGEMENT + p = (Mvc_Cover_t *)malloc( sizeof(Mvc_Cover_t) ); +#else + p = (Mvc_Cover_t *)Extra_MmFixedEntryFetch( pMem->pManC ); +#endif + p->pMem = pMem; + p->nBits = nBits; + p->nWords = nBits / nBitsInUnsigned + (int)(nBits % nBitsInUnsigned > 0); + p->nUnused = p->nWords * nBitsInUnsigned - p->nBits; + p->lCubes.nItems = 0; + p->lCubes.pHead = NULL; + p->lCubes.pTail = NULL; + p->nCubesAlloc = 0; + p->pCubes = NULL; + p->pMask = NULL; + p->pLits = NULL; + return p; +} + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +Mvc_Cover_t * Mvc_CoverClone( Mvc_Cover_t * p ) +{ + Mvc_Cover_t * pCover; +#ifdef USE_SYSTEM_MEMORY_MANAGEMENT + pCover = (Mvc_Cover_t *)malloc( sizeof(Mvc_Cover_t) ); +#else + pCover = (Mvc_Cover_t *)Extra_MmFixedEntryFetch( p->pMem->pManC ); +#endif + pCover->pMem = p->pMem; + pCover->nBits = p->nBits; + pCover->nWords = p->nWords; + pCover->nUnused = p->nUnused; + pCover->lCubes.nItems = 0; + pCover->lCubes.pHead = NULL; + pCover->lCubes.pTail = NULL; + pCover->nCubesAlloc = 0; + pCover->pCubes = NULL; + pCover->pMask = NULL; + pCover->pLits = NULL; + return pCover; +} + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +Mvc_Cover_t * Mvc_CoverDup( Mvc_Cover_t * p ) +{ + Mvc_Cover_t * pCover; + Mvc_Cube_t * pCube, * pCubeCopy; + // clone the cover + pCover = Mvc_CoverClone( p ); + // copy the cube list + Mvc_CoverForEachCube( p, pCube ) + { + pCubeCopy = Mvc_CubeDup( p, pCube ); + Mvc_CoverAddCubeTail( pCover, pCubeCopy ); + } + return pCover; +} + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +void Mvc_CoverFree( Mvc_Cover_t * p ) +{ + Mvc_Cube_t * pCube, * pCube2; + // recycle cube list + Mvc_CoverForEachCubeSafe( p, pCube, pCube2 ) + Mvc_CubeFree( p, pCube ); + // recycle other pointers + Mvc_CubeFree( p, p->pMask ); + MEM_FREE( p->pMem, Mvc_Cube_t *, p->nCubesAlloc, p->pCubes ); + MEM_FREE( p->pMem, int, p->nBits, p->pLits ); + +#ifdef USE_SYSTEM_MEMORY_MANAGEMENT + free( p ); +#else + Extra_MmFixedEntryRecycle( p->pMem->pManC, (char *)p ); +#endif +} + + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +void Mvc_CoverAllocateMask( Mvc_Cover_t * pCover ) +{ + if ( pCover->pMask == NULL ) + pCover->pMask = Mvc_CubeAlloc( pCover ); +} + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +void Mvc_CoverAllocateArrayLits( Mvc_Cover_t * pCover ) +{ + if ( pCover->pLits == NULL ) + pCover->pLits = MEM_ALLOC( pCover->pMem, int, pCover->nBits ); +} + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +void Mvc_CoverAllocateArrayCubes( Mvc_Cover_t * pCover ) +{ + if ( pCover->nCubesAlloc < pCover->lCubes.nItems ) + { + if ( pCover->nCubesAlloc > 0 ) + MEM_FREE( pCover->pMem, Mvc_Cube_t *, pCover->nCubesAlloc, pCover->pCubes ); + pCover->nCubesAlloc = pCover->lCubes.nItems; + pCover->pCubes = MEM_ALLOC( pCover->pMem, Mvc_Cube_t *, pCover->nCubesAlloc ); + } +} + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +void Mvc_CoverDeallocateMask( Mvc_Cover_t * pCover ) +{ + Mvc_CubeFree( pCover, pCover->pMask ); + pCover->pMask = NULL; +} + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +void Mvc_CoverDeallocateArrayLits( Mvc_Cover_t * pCover ) +{ + if ( pCover->pLits ) + { + MEM_FREE( pCover->pMem, int, pCover->nBits, pCover->pLits ); + pCover->pLits = NULL; + } +} + +//////////////////////////////////////////////////////////////////////// +/// END OF FILE /// +//////////////////////////////////////////////////////////////////////// + + |