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| author | Alan Mishchenko <alanmi@berkeley.edu> | 2013-10-05 22:44:02 -0700 |
|---|---|---|
| committer | Alan Mishchenko <alanmi@berkeley.edu> | 2013-10-05 22:44:02 -0700 |
| commit | a4a1053d9851cf9ef52a5b52818e66b9c1bdba4d (patch) | |
| tree | 3333b0b56ee4e2444df1ef251ca7005516156bed /src/misc | |
| parent | c9635d029ebc27ce8001c6859d2b992e327ceec7 (diff) | |
| download | abc-a4a1053d9851cf9ef52a5b52818e66b9c1bdba4d.tar.gz abc-a4a1053d9851cf9ef52a5b52818e66b9c1bdba4d.tar.bz2 abc-a4a1053d9851cf9ef52a5b52818e66b9c1bdba4d.zip | |
Towards better Boolean matching.
Diffstat (limited to 'src/misc')
| -rw-r--r-- | src/misc/util/utilTruth.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/misc/util/utilTruth.h b/src/misc/util/utilTruth.h index 07f36382..cded2ce8 100644 --- a/src/misc/util/utilTruth.h +++ b/src/misc/util/utilTruth.h @@ -1064,6 +1064,19 @@ static inline void Abc_TtSwapVars( word * pTruth, int nVars, int iVar, int jVar return; } } +// moves one var (v) to the given position (p) +static inline void Abc_TtMoveVar( word * pF, int nVars, int * V2P, int * P2V, int v, int p ) +{ + int iVar = V2P[v], jVar = p; + if ( iVar == jVar ) + return; + Abc_TtSwapVars( pF, nVars, iVar, jVar ); + V2P[P2V[iVar]] = jVar; + V2P[P2V[jVar]] = iVar; + P2V[iVar] ^= P2V[jVar]; + P2V[jVar] ^= P2V[iVar]; + P2V[iVar] ^= P2V[jVar]; +} /**Function************************************************************* |