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-rw-r--r--src/opt/kit/kitFactor.c2
-rw-r--r--src/opt/kit/kitIsop.c1
2 files changed, 2 insertions, 1 deletions
diff --git a/src/opt/kit/kitFactor.c b/src/opt/kit/kitFactor.c
index cbac918d..4ef3fd94 100644
--- a/src/opt/kit/kitFactor.c
+++ b/src/opt/kit/kitFactor.c
@@ -64,7 +64,7 @@ Kit_Graph_t * Kit_SopFactor( Vec_Int_t * vCover, int fCompl, int nVars, Vec_Int_
// check for trivial functions
if ( Vec_IntSize(vCover) == 0 )
return Kit_GraphCreateConst0();
- if ( Vec_IntSize(vCover) == 1 && Vec_IntEntry(vCover, 0) == (int)Kit_CubeMask(nVars) )
+ if ( Vec_IntSize(vCover) == 1 && Vec_IntEntry(vCover, 0) == 0 ) //(int)Kit_CubeMask(2 * nVars) )
return Kit_GraphCreateConst1();
// prepare memory manager
diff --git a/src/opt/kit/kitIsop.c b/src/opt/kit/kitIsop.c
index d54932ee..cc61a6bd 100644
--- a/src/opt/kit/kitIsop.c
+++ b/src/opt/kit/kitIsop.c
@@ -72,6 +72,7 @@ int Kit_TruthIsop( unsigned * puTruth, int nVars, Vec_Int_t * vMemory, int fTryB
assert( Extra_TruthIsEqual( puTruth, pResult, nVars ) );
if ( pcRes->nCubes == 0 || (pcRes->nCubes == 1 && pcRes->pCubes[0] == 0) )
{
+ vMemory->pArray[0] = 0;
Vec_IntShrink( vMemory, pcRes->nCubes );
return 0;
}