From 574af21208f9c33c17a8b2c9c2c32ba1e4d0b772 Mon Sep 17 00:00:00 2001
From: Jiang Long <jiang.long@ymail.com>
Date: Wed, 4 Jun 2014 21:59:03 -0700
Subject: merge unfold2

---
 src/base/abci/abciUnfold2.c | 121 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 121 insertions(+)
 create mode 100644 src/base/abci/abciUnfold2.c

(limited to 'src/base/abci/abciUnfold2.c')

diff --git a/src/base/abci/abciUnfold2.c b/src/base/abci/abciUnfold2.c
new file mode 100644
index 00000000..ec5047d2
--- /dev/null
+++ b/src/base/abci/abciUnfold2.c
@@ -0,0 +1,121 @@
+
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+int Abc_CommandUnfold2( Abc_Frame_t * pAbc, int argc, char ** argv )
+{
+    Abc_Ntk_t * pNtk, * pNtkRes;
+    int nFrames;
+    int nConfs;
+    int nProps;
+    int fStruct = 0;
+    int fOldAlgo = 0;
+    int fVerbose;
+    int c;
+    extern Abc_Ntk_t * Abc_NtkDarUnfold2( Abc_Ntk_t * pNtk, int nFrames, int nConfs, int nProps, int fStruct, int fOldAlgo, int fVerbose );
+    pNtk = Abc_FrameReadNtk(pAbc);
+    // set defaults
+    nFrames   =      1;
+    nConfs    =   1000;
+    nProps    =   1000;
+    fVerbose  =      0;
+    Extra_UtilGetoptReset();
+    while ( ( c = Extra_UtilGetopt( argc, argv, "CPvh" ) ) != EOF )
+    {
+        switch ( c )
+        {
+        /* case 'F': */
+        /*     if ( globalUtilOptind >= argc ) */
+        /*     { */
+        /*         Abc_Print( -1, "Command line switch \"-F\" should be followed by an integer.\n" ); */
+        /*         goto usage; */
+        /*     } */
+        /*     nFrames = atoi(argv[globalUtilOptind]); */
+        /*     globalUtilOptind++; */
+        /*     if ( nFrames < 0 ) */
+        /*         goto usage; */
+        /*     break; */
+        case 'C':
+            if ( globalUtilOptind >= argc )
+            {
+                Abc_Print( -1, "Command line switch \"-C\" should be followed by an integer.\n" );
+                goto usage;
+            }
+            nConfs = atoi(argv[globalUtilOptind]);
+            globalUtilOptind++;
+            if ( nConfs < 0 )
+                goto usage;
+            break;
+        case 'P':
+            if ( globalUtilOptind >= argc )
+            {
+                Abc_Print( -1, "Command line switch \"-P\" should be followed by an integer.\n" );
+                goto usage;
+            }
+            nProps = atoi(argv[globalUtilOptind]);
+            globalUtilOptind++;
+            if ( nProps < 0 )
+                goto usage;
+            break;
+        case 'v':
+            fVerbose ^= 1;
+            break;
+        case 'h':
+            goto usage;
+        default:
+            goto usage;
+        }
+    }
+    if ( pNtk == NULL )
+    {
+        Abc_Print( -1, "Empty network.\n" );
+        return 1;
+    }
+    if ( Abc_NtkIsComb(pNtk) )
+    {
+        Abc_Print( -1, "The network is combinational.\n" );
+        return 0;
+    }
+    if ( !Abc_NtkIsStrash(pNtk) )
+    {
+        Abc_Print( -1, "Currently only works for structurally hashed circuits.\n" );
+        return 0;
+    }
+    if ( Abc_NtkConstrNum(pNtk) > 0 )
+    {
+        Abc_Print( -1, "Constraints are already extracted.\n" );
+        return 0;
+    }
+    if ( Abc_NtkPoNum(pNtk) > 1 && !fStruct )
+    {
+        Abc_Print( -1, "Functional constraint extraction works for single-output miters (use \"orpos\").\n" );
+        return 0;
+    }
+    // modify the current network
+    pNtkRes = Abc_NtkDarUnfold2( pNtk, nFrames, nConfs, nProps, fStruct, fOldAlgo, fVerbose );
+    if ( pNtkRes == NULL )
+    {
+        Abc_Print( 1,"Transformation has failed.\n" );
+        return 0;
+    }
+    // replace the current network
+    Abc_FrameReplaceCurrentNetwork( pAbc, pNtkRes );
+    return 0;
+usage:
+    Abc_Print( -2, "usage: unfold [-FCP num] [-savh]\n" );
+    Abc_Print( -2, "\t         unfold hidden constraints as separate outputs\n" );
+    Abc_Print( -2, "\t-C num : the max number of conflicts in SAT solving [default = %d]\n", nConfs );
+    Abc_Print( -2, "\t-P num : the max number of constraint propagations [default = %d]\n", nProps );
+    Abc_Print( -2, "\t-v     : toggle printing verbose information [default = %s]\n", fVerbose? "yes": "no" );
+    Abc_Print( -2, "\t-h     : print the command usage\n");
+    return 1;
+}
+
-- 
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