From 78fbd336aa584c4d285123ad18617aa9277016b4 Mon Sep 17 00:00:00 2001
From: Alan Mishchenko <alanmi@berkeley.edu>
Date: Sat, 1 Oct 2005 08:01:00 -0700
Subject: Version abc51001

---
 src/base/io/io.c         |  2 +-
 src/base/io/io.h         |  2 +-
 src/base/io/ioWriteDot.c | 29 ++++++++++++++++++++++++++---
 3 files changed, 28 insertions(+), 5 deletions(-)

(limited to 'src/base/io')

diff --git a/src/base/io/io.c b/src/base/io/io.c
index 7a6ca49f..2f7bd229 100644
--- a/src/base/io/io.c
+++ b/src/base/io/io.c
@@ -891,7 +891,7 @@ int IoCommandWriteDot( Abc_Frame_t * pAbc, int argc, char **argv )
     FileName = argv[util_optind];
     // write the file
     vNodes = Abc_NtkCollectObjects( pAbc->pNtkCur );
-    Io_WriteDot( pAbc->pNtkCur, vNodes, NULL, FileName );
+    Io_WriteDot( pAbc->pNtkCur, vNodes, NULL, FileName, 0 );
     Vec_PtrFree( vNodes );
     return 0;
 
diff --git a/src/base/io/io.h b/src/base/io/io.h
index 6bf3a85c..a5aae529 100644
--- a/src/base/io/io.h
+++ b/src/base/io/io.h
@@ -76,7 +76,7 @@ extern int                Io_WriteBench( Abc_Ntk_t * pNtk, char * FileName );
 /*=== abcWriteCnf.c ==========================================================*/
 extern int                Io_WriteCnf( Abc_Ntk_t * pNtk, char * FileName );
 /*=== abcWriteDot.c ==========================================================*/
-extern void               Io_WriteDot( Abc_Ntk_t * pNtk, Vec_Ptr_t * vNodes, Vec_Ptr_t * vNodesShow, char * pFileName );
+extern void               Io_WriteDot( Abc_Ntk_t * pNtk, Vec_Ptr_t * vNodes, Vec_Ptr_t * vNodesShow, char * pFileName, int fMulti );
 /*=== abcWriteEqn.c ==========================================================*/
 extern void               Io_WriteEqn( Abc_Ntk_t * pNtk, char * pFileName );
 /*=== abcWriteGml.c ==========================================================*/
diff --git a/src/base/io/ioWriteDot.c b/src/base/io/ioWriteDot.c
index cd297db7..cf4e3d15 100644
--- a/src/base/io/ioWriteDot.c
+++ b/src/base/io/ioWriteDot.c
@@ -31,7 +31,7 @@
 
 /**Function*************************************************************
 
-  Synopsis    [Writes the graph structure of AIG in DOT.]
+  Synopsis    [Writes the graph structure of AIG for DOT.]
 
   Description [Useful for graph visualization using tools such as GraphViz: 
   http://www.graphviz.org/]
@@ -41,7 +41,7 @@
   SeeAlso     []
 
 ***********************************************************************/
-void Io_WriteDot( Abc_Ntk_t * pNtk, Vec_Ptr_t * vNodes, Vec_Ptr_t * vNodesShow, char * pFileName )
+void Io_WriteDot( Abc_Ntk_t * pNtk, Vec_Ptr_t * vNodes, Vec_Ptr_t * vNodesShow, char * pFileName, int fMulti )
 {
     FILE * pFile;
     Abc_Obj_t * pNode, * pTemp, * pPrev;
@@ -177,7 +177,7 @@ void Io_WriteDot( Abc_Ntk_t * pNtk, Vec_Ptr_t * vNodes, Vec_Ptr_t * vNodesShow,
     fprintf( pFile, "          fontsize=18,\n" );
     fprintf( pFile, "          fontname = \"Times-Roman\",\n" );
     fprintf( pFile, "          label=\"" );
-    fprintf( pFile, "The set contains %d nodes and spans %d levels.", vNodes->nSize, LevelMax - LevelMin );
+    fprintf( pFile, "The set contains %d nodes and spans %d levels.", vNodes->nSize, LevelMax - LevelMin + 1 );
     fprintf( pFile, "\\n" );
     fprintf( pFile, "\"\n" );
     fprintf( pFile, "         ];\n" );
@@ -284,6 +284,29 @@ void Io_WriteDot( Abc_Ntk_t * pNtk, Vec_Ptr_t * vNodes, Vec_Ptr_t * vNodesShow,
     {
         if ( Abc_ObjFaninNum(pNode) == 0 )
             continue;
+        if ( fMulti && Abc_ObjIsNode(pNode) )
+        {
+            Vec_Ptr_t * vSuper;
+            Abc_Obj_t * pFanin;
+            int k, fCompl;
+            vSuper = (Vec_Ptr_t *)pNode->pCopy;
+            assert( vSuper != NULL );
+            Vec_PtrForEachEntry( vSuper, pFanin, k )
+            {
+                fCompl = Abc_ObjIsComplement(pFanin);
+                pFanin = Abc_ObjRegular(pFanin);
+                if ( !pFanin->fMarkC )
+                    continue;
+                fprintf( pFile, "Node%d",  pNode->Id );
+                fprintf( pFile, " -> " );
+                fprintf( pFile, "Node%d%s",  pFanin->Id, (Abc_ObjIsLatch(pFanin)? "_out":"") );
+                fprintf( pFile, " [" );
+                fprintf( pFile, "style = %s", fCompl? "dotted" : "bold" );
+                fprintf( pFile, "]" );
+                fprintf( pFile, ";\n" );
+            }
+            continue;
+        }
         // generate the edge from this node to the next
         if ( Abc_ObjFanin0(pNode)->fMarkC )
         {
-- 
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