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Diffstat (limited to 'abc70930/src/misc/mvc/mvcContain.c')
| -rw-r--r-- | abc70930/src/misc/mvc/mvcContain.c | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/abc70930/src/misc/mvc/mvcContain.c b/abc70930/src/misc/mvc/mvcContain.c deleted file mode 100644 index a9eae06e..00000000 --- a/abc70930/src/misc/mvc/mvcContain.c +++ /dev/null @@ -1,173 +0,0 @@ -/**CFile**************************************************************** - - FileName [mvcContain.c] - - PackageName [MVSIS 2.0: Multi-valued logic synthesis system.] - - Synopsis [Making the cover single-cube containment free.] - - Author [MVSIS Group] - - Affiliation [UC Berkeley] - - Date [Ver. 1.0. Started - February 1, 2003.] - - Revision [$Id: mvcContain.c,v 1.4 2003/04/03 23:25:42 alanmi Exp $] - -***********************************************************************/ - -#include "mvc.h" - -//////////////////////////////////////////////////////////////////////// -/// DECLARATIONS /// -//////////////////////////////////////////////////////////////////////// - -static void Mvc_CoverRemoveDuplicates( Mvc_Cover_t * pCover ); -static void Mvc_CoverRemoveContained( Mvc_Cover_t * pCover ); - -//////////////////////////////////////////////////////////////////////// -/// FUNCTION DEFINITIONS /// -//////////////////////////////////////////////////////////////////////// - - -/**Function************************************************************* - - Synopsis [Removes the contained cubes.] - - Description [Returns 1 if the cover has been changed.] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -int Mvc_CoverContain( Mvc_Cover_t * pCover ) -{ - int nCubes; - nCubes = Mvc_CoverReadCubeNum( pCover ); - if ( nCubes < 2 ) - return 0; - Mvc_CoverSetCubeSizes(pCover); - Mvc_CoverSort( pCover, NULL, Mvc_CubeCompareSizeAndInt ); - Mvc_CoverRemoveDuplicates( pCover ); - if ( nCubes > 1 ) - Mvc_CoverRemoveContained( pCover ); - return (nCubes != Mvc_CoverReadCubeNum(pCover)); -} - -/**Function************************************************************* - - Synopsis [Removes adjacent duplicated cubes from the cube list.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -void Mvc_CoverRemoveDuplicates( Mvc_Cover_t * pCover ) -{ - Mvc_Cube_t * pPrev, * pCube, * pCube2; - int fEqual; - - // set the first cube of the cover - pPrev = Mvc_CoverReadCubeHead(pCover); - // go through all the cubes after this one - Mvc_CoverForEachCubeStartSafe( Mvc_CubeReadNext(pPrev), pCube, pCube2 ) - { - // compare the current cube with the prev cube - Mvc_CubeBitEqual( fEqual, pPrev, pCube ); - if ( fEqual ) - { // they are equal - remove the current cube - Mvc_CoverDeleteCube( pCover, pPrev, pCube ); - Mvc_CubeFree( pCover, pCube ); - // don't change the previous cube cube - } - else - { // they are not equal - update the previous cube - pPrev = pCube; - } - } -} - -/**Function************************************************************* - - Synopsis [Removes contained cubes from the sorted cube list.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -void Mvc_CoverRemoveContained( Mvc_Cover_t * pCover ) -{ - Mvc_Cube_t * pCubeBeg, * pCubeEnd, * pCubeLarge; - Mvc_Cube_t * pCube, * pCube2, * pPrev; - unsigned sizeCur; - int Result; - - // since the cubes are sorted by size, it is sufficient - // to compare each cube with other cubes that have larger sizes - // if the given cube implies a larger cube, the larger cube is removed - pCubeBeg = Mvc_CoverReadCubeHead(pCover); - do - { - // get the current cube size - sizeCur = Mvc_CubeReadSize(pCubeBeg); - - // initialize the end of the given size group - pCubeEnd = pCubeBeg; - // find the beginning of the next size group - Mvc_CoverForEachCubeStart( Mvc_CubeReadNext(pCubeBeg), pCube ) - { - if ( sizeCur == Mvc_CubeReadSize(pCube) ) - pCubeEnd = pCube; - else // pCube is the first cube in the new size group - break; - } - // if we could not find the next size group - // the containment check is finished - if ( pCube == NULL ) - break; - // otherwise, pCubeBeg/pCubeEnd are the first/last cubes of the group - - // go through all the cubes between pCubeBeg and pCubeEnd, inclusive, - // and for each of them, try removing cubes after pCubeEnd - Mvc_CoverForEachCubeStart( pCubeBeg, pCubeLarge ) - { - pPrev = pCubeEnd; - Mvc_CoverForEachCubeStartSafe( Mvc_CubeReadNext(pCubeEnd), pCube, pCube2 ) - { - // check containment - Mvc_CubeBitNotImpl( Result, pCube, pCubeLarge ); - if ( !Result ) - { // pCubeLarge implies pCube - remove pCube - Mvc_CoverDeleteCube( pCover, pPrev, pCube ); - Mvc_CubeFree( pCover, pCube ); - // don't update the previous cube - } - else - { // update the previous cube - pPrev = pCube; - } - } - // quit, if the main cube was the last one of this size - if ( pCubeLarge == pCubeEnd ) - break; - } - - // set the beginning of the next group - pCubeBeg = Mvc_CubeReadNext(pCubeEnd); - } - while ( pCubeBeg ); -} - - -//////////////////////////////////////////////////////////////////////// -/// END OF FILE /// -//////////////////////////////////////////////////////////////////////// - - |