From feb8fb692e09a2fc7c1da4f2fcf605d398e940f2 Mon Sep 17 00:00:00 2001
From: Alan Mishchenko <alanmi@berkeley.edu>
Date: Sat, 28 Apr 2007 08:01:00 -0700
Subject: Version abc70428

---
 src/opt/kit/kit.h      |  1 +
 src/opt/kit/kitDsd.c   |  6 +++---
 src/opt/kit/kitTruth.c | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 59 insertions(+), 3 deletions(-)

(limited to 'src/opt')

diff --git a/src/opt/kit/kit.h b/src/opt/kit/kit.h
index 9e7d2bf1..4535244b 100644
--- a/src/opt/kit/kit.h
+++ b/src/opt/kit/kit.h
@@ -477,6 +477,7 @@ extern void            Kit_TruthExistSet( unsigned * pRes, unsigned * pTruth, in
 extern void            Kit_TruthForall( unsigned * pTruth, int nVars, int iVar );
 extern void            Kit_TruthForallNew( unsigned * pRes, unsigned * pTruth, int nVars, int iVar );
 extern void            Kit_TruthForallSet( unsigned * pRes, unsigned * pTruth, int nVars, unsigned uMask );
+extern void            Kit_TruthUniqueNew( unsigned * pRes, unsigned * pTruth, int nVars, int iVar );
 extern void            Kit_TruthMux( unsigned * pOut, unsigned * pCof0, unsigned * pCof1, int nVars, int iVar );
 extern void            Kit_TruthChangePhase( unsigned * pTruth, int nVars, int iVar );
 extern int             Kit_TruthMinCofSuppOverlap( unsigned * pTruth, int nVars, int * pVarMin );
diff --git a/src/opt/kit/kitDsd.c b/src/opt/kit/kitDsd.c
index 62ee653b..4bf8d7ef 100644
--- a/src/opt/kit/kitDsd.c
+++ b/src/opt/kit/kitDsd.c
@@ -1068,7 +1068,7 @@ int Kit_DsdTestCofs( Kit_DsdNtk_t * pNtk, unsigned * pTruthInit )
 //    Kit_DsdObj_t * pRoot;
     unsigned * pCofs2[2] = { pNtk->pMem, pNtk->pMem + Kit_TruthWordNum(pNtk->nVars) };
     unsigned i, * pTruth;
-    int fVerbose = 0;
+    int fVerbose = 1;
     int RetValue = 0;
 
     pTruth = pTruthInit;
@@ -1108,8 +1108,8 @@ int Kit_DsdTestCofs( Kit_DsdNtk_t * pNtk, unsigned * pTruthInit )
             Kit_DsdPrint( stdout, pNtk1 );
         }
 
-        if ( Kit_DsdCheckVar4Dec2( pNtk0, pNtk1 ) )
-            RetValue = 1;
+//        if ( Kit_DsdCheckVar4Dec2( pNtk0, pNtk1 ) )
+//            RetValue = 1;
 
         Kit_DsdNtkFree( pNtk0 );
         Kit_DsdNtkFree( pNtk1 );
diff --git a/src/opt/kit/kitTruth.c b/src/opt/kit/kitTruth.c
index 64a6a052..73264661 100644
--- a/src/opt/kit/kitTruth.c
+++ b/src/opt/kit/kitTruth.c
@@ -767,6 +767,61 @@ void Kit_TruthForallNew( unsigned * pRes, unsigned * pTruth, int nVars, int iVar
     }
 }
 
+/**Function*************************************************************
+
+  Synopsis    [Universally quantifies the variable.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Kit_TruthUniqueNew( unsigned * pRes, unsigned * pTruth, int nVars, int iVar )
+{
+    int nWords = Kit_TruthWordNum( nVars );
+    int i, k, Step;
+
+    assert( iVar < nVars );
+    switch ( iVar )
+    {
+    case 0:
+        for ( i = 0; i < nWords; i++ )
+            pRes[i] =  pTruth[i] ^ (((pTruth[i] & 0xAAAAAAAA) >> 1) | ((pTruth[i] & 0x55555555) << 1));
+        return;
+    case 1:
+        for ( i = 0; i < nWords; i++ )
+            pRes[i] =  pTruth[i] ^ (((pTruth[i] & 0xCCCCCCCC) >> 2) | ((pTruth[i] & 0x33333333) << 2));
+        return;
+    case 2:
+        for ( i = 0; i < nWords; i++ )
+            pRes[i] =  pTruth[i] ^ (((pTruth[i] & 0xF0F0F0F0) >> 4) | ((pTruth[i] & 0x0F0F0F0F) << 4));
+        return;
+    case 3:
+        for ( i = 0; i < nWords; i++ )
+            pRes[i] =  pTruth[i] ^ (((pTruth[i] & 0xFF00FF00) >> 8) | ((pTruth[i] & 0x00FF00FF) << 8));
+        return;
+    case 4:
+        for ( i = 0; i < nWords; i++ )
+            pRes[i] =  pTruth[i] ^ (((pTruth[i] & 0xFFFF0000) >> 16) | ((pTruth[i] & 0x0000FFFF) << 16));
+        return;
+    default:
+        Step = (1 << (iVar - 5));
+        for ( k = 0; k < nWords; k += 2*Step )
+        {
+            for ( i = 0; i < Step; i++ )
+            {
+                pRes[i]      = pTruth[i] ^ pTruth[Step+i];
+                pRes[Step+i] = pRes[i];
+            }
+            pRes += 2*Step;
+            pTruth += 2*Step;
+        }
+        return;
+    }
+}
+
 /**Function*************************************************************
 
   Synopsis    [Universally quantifies the set of variables.]
-- 
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