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author | Alan Mishchenko <alanmi@berkeley.edu> | 2006-08-22 08:01:00 -0700 |
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committer | Alan Mishchenko <alanmi@berkeley.edu> | 2006-08-22 08:01:00 -0700 |
commit | 956842d9cc321eee3907889b820132e6e2b5ec62 (patch) | |
tree | 67a2a804c594eabc54d290cbd607a6ae65e583f6 /src/misc/extra/extraBddMisc.c | |
parent | 2fd3c1a25bb7a7ce334d2de5bac96bce446855d8 (diff) | |
download | abc-956842d9cc321eee3907889b820132e6e2b5ec62.tar.gz abc-956842d9cc321eee3907889b820132e6e2b5ec62.tar.bz2 abc-956842d9cc321eee3907889b820132e6e2b5ec62.zip |
Version abc60822
Diffstat (limited to 'src/misc/extra/extraBddMisc.c')
-rw-r--r-- | src/misc/extra/extraBddMisc.c | 80 |
1 files changed, 78 insertions, 2 deletions
diff --git a/src/misc/extra/extraBddMisc.c b/src/misc/extra/extraBddMisc.c index 00e2ac94..1c720061 100644 --- a/src/misc/extra/extraBddMisc.c +++ b/src/misc/extra/extraBddMisc.c @@ -802,9 +802,9 @@ DdNode * Extra_bddSupportNegativeCube( DdManager * dd, DdNode * f ) Description [] - SideEffects [None] + SideEffects [] - SeeAlso [Cudd_VectorSupport Cudd_Support] + SeeAlso [] ******************************************************************************/ int Extra_bddIsVar( DdNode * bFunc ) @@ -815,6 +815,82 @@ int Extra_bddIsVar( DdNode * bFunc ) return cuddIsConstant( cuddT(bFunc) ) && cuddIsConstant( Cudd_Regular(cuddE(bFunc)) ); } +/**Function******************************************************************** + + Synopsis [Creates AND composed of the first nVars of the manager.] + + Description [] + + SideEffects [] + + SeeAlso [] + +******************************************************************************/ +DdNode * Extra_bddCreateAnd( DdManager * dd, int nVars ) +{ + DdNode * bFunc, * bTemp; + int i; + bFunc = Cudd_ReadOne(dd); Cudd_Ref( bFunc ); + for ( i = 0; i < nVars; i++ ) + { + bFunc = Cudd_bddAnd( dd, bTemp = bFunc, Cudd_bddIthVar(dd,i) ); Cudd_Ref( bFunc ); + Cudd_RecursiveDeref( dd, bTemp ); + } + Cudd_Deref( bFunc ); + return bFunc; +} + +/**Function******************************************************************** + + Synopsis [Creates OR composed of the first nVars of the manager.] + + Description [] + + SideEffects [] + + SeeAlso [] + +******************************************************************************/ +DdNode * Extra_bddCreateOr( DdManager * dd, int nVars ) +{ + DdNode * bFunc, * bTemp; + int i; + bFunc = Cudd_ReadLogicZero(dd); Cudd_Ref( bFunc ); + for ( i = 0; i < nVars; i++ ) + { + bFunc = Cudd_bddOr( dd, bTemp = bFunc, Cudd_bddIthVar(dd,i) ); Cudd_Ref( bFunc ); + Cudd_RecursiveDeref( dd, bTemp ); + } + Cudd_Deref( bFunc ); + return bFunc; +} + +/**Function******************************************************************** + + Synopsis [Creates EXOR composed of the first nVars of the manager.] + + Description [] + + SideEffects [] + + SeeAlso [] + +******************************************************************************/ +DdNode * Extra_bddCreateExor( DdManager * dd, int nVars ) +{ + DdNode * bFunc, * bTemp; + int i; + bFunc = Cudd_ReadLogicZero(dd); Cudd_Ref( bFunc ); + for ( i = 0; i < nVars; i++ ) + { + bFunc = Cudd_bddXor( dd, bTemp = bFunc, Cudd_bddIthVar(dd,i) ); Cudd_Ref( bFunc ); + Cudd_RecursiveDeref( dd, bTemp ); + } + Cudd_Deref( bFunc ); + return bFunc; +} + + /*---------------------------------------------------------------------------*/ /* Definition of internal functions */ /*---------------------------------------------------------------------------*/ |