From aa7daf1e51742a2f9748237263d0114738873b3b Mon Sep 17 00:00:00 2001
From: Alan Mishchenko <alanmi@berkeley.edu>
Date: Wed, 20 Feb 2013 17:13:29 -0800
Subject: Integrating sweeping information.

---
 src/aig/gia/giaSweep.c | 34 ++++++++++++----------------------
 src/aig/gia/giaTim.c   | 25 +++++++++++++------------
 2 files changed, 25 insertions(+), 34 deletions(-)

(limited to 'src/aig')

diff --git a/src/aig/gia/giaSweep.c b/src/aig/gia/giaSweep.c
index fe4c275c..358fb5fb 100644
--- a/src/aig/gia/giaSweep.c
+++ b/src/aig/gia/giaSweep.c
@@ -178,7 +178,7 @@ Gia_Man_t * Gia_ManFraigReduceGia( Gia_Man_t * p, int * pReprs )
     Gia_ManForEachObj( p, pObj, i )
     {
         if ( Gia_ObjIsAnd(pObj) )
-            pObj->Value = Gia_ManAppendAnd( pNew, Gia_ObjFanin0CopyRepr(p, pObj, pReprs), Gia_ObjFanin1CopyRepr(p, pObj, pReprs) );
+            pObj->Value = Gia_ManHashAnd( pNew, Gia_ObjFanin0CopyRepr(p, pObj, pReprs), Gia_ObjFanin1CopyRepr(p, pObj, pReprs) );
         else if ( Gia_ObjIsCi(pObj) )
             pObj->Value = Gia_ManAppendCi( pNew );
         else if ( Gia_ObjIsCo(pObj) )
@@ -188,6 +188,15 @@ Gia_Man_t * Gia_ManFraigReduceGia( Gia_Man_t * p, int * pReprs )
         else assert( 0 );
     }
     Gia_ManHashStop( pNew );
+/*
+    {
+        Gia_Man_t * pTemp;
+        Gia_ManPrintStats( pNew, 0, 0, 0 );
+        pNew = Gia_ManCleanup( pTemp = pNew );
+        Gia_ManStop( pTemp );
+        Gia_ManPrintStats( pNew, 0, 0, 0 );
+    }
+*/
     return pNew;
 }
 
@@ -210,17 +219,6 @@ int * Gia_ManFraigSelectReprs( Gia_Man_t * p, Gia_Man_t * pGia, int fVerbose )
     int i, iLitGia, iLitGia2, iReprGia, fCompl;
     int nConsts = 0, nReprs = 0;
     pGia2Abc[0] = 0;
-/*
-    Gia_ManForEachObj( p, pObj, i )
-        printf( "%d %d  ", i, Gia_ObjValue(pObj) );
-    printf( "\n" );
-    printf( "\n" );
-
-    Gia_ManForEachObj( pGia, pObj, i )
-        printf( "%d %d  ", i, Gia_ObjReprSelf(pGia, i) );
-    printf( "\n" );
-    printf( "\n" );
-*/
     Gia_ManSetPhase( pGia );
     Gia_ManForEachObj1( p, pObj, i )
     {
@@ -246,6 +244,8 @@ int * Gia_ManFraigSelectReprs( Gia_Man_t * p, Gia_Man_t * pGia, int fVerbose )
                 nConsts++;
             else
                 nReprs++;
+            assert( Abc_Lit2Var(pReprs[i]) < i );
+//            printf( "%d -> %d\n", i, Abc_Lit2Var(pReprs[i]) ); 
         }
     }
     ABC_FREE( pGia2Abc );
@@ -308,9 +308,6 @@ Gia_Man_t * Gia_ManFraigSweep( Gia_Man_t * p, void * pPars )
     pNew = Gia_ManDupWithHierarchy( p, NULL );
     if ( pNew == NULL )
         return NULL;
-    // normalizing AIG
-    pNew = Gia_ManDupNormalize( pTemp = pNew );
-    Gia_ManStop( pTemp );
     // find global equivalences
     pNew->pManTime = p->pManTime;
     pGia = Gia_ManDupWithBoxes( pNew, p->pAigExtra );
@@ -323,13 +320,6 @@ Gia_Man_t * Gia_ManFraigSweep( Gia_Man_t * p, void * pPars )
     pNew = Gia_ManFraigReduceGia( pTemp = pNew, pReprs );
     Gia_ManStop( pTemp );
     ABC_FREE( pReprs );
-    // order reduced AIG
-    pNew->pManTime = p->pManTime;
-    pNew = Gia_ManDupWithHierarchy( pTemp = pNew, NULL );
-    pTemp->pManTime = NULL;
-    Gia_ManStop( pTemp );
-    if ( pNew == NULL )
-        return NULL;
     // derive new AIG
     assert( pNew->pManTime  == NULL );
     assert( pNew->pAigExtra == NULL );
diff --git a/src/aig/gia/giaTim.c b/src/aig/gia/giaTim.c
index 5d08b783..c774e309 100644
--- a/src/aig/gia/giaTim.c
+++ b/src/aig/gia/giaTim.c
@@ -199,7 +199,7 @@ Vec_Int_t * Gia_ManDupFindOrderWithHie( Gia_Man_t * p )
     Gia_Obj_t * pObj;
     int i, k, curCi, curCo;
     assert( p->pManTime != NULL );
-    assert( Gia_ManIsNormalized( p ) );
+//    assert( Gia_ManIsNormalized( p ) );
     // start trav IDs
     Gia_ManIncrementTravId( p );
     // start the array
@@ -655,21 +655,22 @@ void * Gia_ManUpdateTimMan( Gia_Man_t * p, Vec_Int_t * vBoxPres )
 ***********************************************************************/
 Gia_Man_t * Gia_ManUpdateExtraAig( void * pTime, Gia_Man_t * pAig, Vec_Int_t * vBoxPres )
 {
-    Gia_Man_t * pNew;
+    Gia_Man_t * pNew = NULL;
     Vec_Int_t * vOutPres;
     Tim_Man_t * pManTime = (Tim_Man_t *)pTime;
-    int i, k, curPo;
+    int i, k, curPo = 0;
     assert( Vec_IntSize(vBoxPres) == Tim_ManBoxNum(pManTime) );
-    assert( Gia_ManPoNum(pAig) == Tim_ManCoNum(pManTime) - Tim_ManPoNum(pManTime) );
+    assert( Gia_ManPoNum(pAig) == Tim_ManCiNum(pManTime) - Tim_ManPiNum(pManTime) );
     vOutPres = Vec_IntAlloc( 100 );
-    for ( curPo = i = 0; i < Tim_ManBoxNum(pManTime); i++, curPo += Tim_ManBoxInputNum(pManTime, i) )
-        if ( Vec_IntEntry(vBoxPres, i) )
-            for ( k = 0; k < Tim_ManBoxInputNum(pManTime, i); k++ )
-                Vec_IntPush( vOutPres, curPo + k );
-    assert( curPo == Tim_ManCoNum(pManTime) - Tim_ManPoNum(pManTime) );
-    for ( k = curPo; k < Tim_ManCoNum(pManTime); k++ )
-        Vec_IntPush( vOutPres, k );
-    pNew = Gia_ManDupOutputVec( pAig, vOutPres );
+    for ( i = 0; i < Tim_ManBoxNum(pManTime); i++ )
+    {
+        for ( k = 0; k < Tim_ManBoxOutputNum(pManTime, i); k++ )
+            Vec_IntPush( vOutPres, Vec_IntEntry(vBoxPres, i) );
+        curPo += Tim_ManBoxOutputNum(pManTime, i);
+    }
+    assert( curPo == Gia_ManPoNum(pAig) );
+    if ( Vec_IntSize(vOutPres) > 0 )
+        pNew = Gia_ManDupOutputVec( pAig, vOutPres );
     Vec_IntFree( vOutPres );
     return pNew;
 }
-- 
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