From 1e5d826c4c244db0bca7b3be90d59e703cc9300f Mon Sep 17 00:00:00 2001
From: Alan Mishchenko <alanmi@berkeley.edu>
Date: Sat, 18 Mar 2017 13:38:37 -0700
Subject: Code for structural unateness checking.

---
 src/aig/gia/module.make  |  1 +
 src/base/abci/abc.c      | 51 ++++++++++++++++++++++++++++++++++++++++++++++++
 src/base/abci/abcUnate.c |  6 ++++++
 3 files changed, 58 insertions(+)

diff --git a/src/aig/gia/module.make b/src/aig/gia/module.make
index 82d5a123..0ee41e8b 100644
--- a/src/aig/gia/module.make
+++ b/src/aig/gia/module.make
@@ -82,4 +82,5 @@ SRC +=    src/aig/gia/giaAig.c \
     src/aig/gia/giaTis.c \
     src/aig/gia/giaTruth.c \
     src/aig/gia/giaTsim.c \
+    src/aig/gia/giaUnate.c \
     src/aig/gia/giaUtil.c
diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c
index bea7fe4b..69bd14e6 100644
--- a/src/base/abci/abc.c
+++ b/src/base/abci/abc.c
@@ -369,6 +369,7 @@ static int Abc_CommandAbc9PFan               ( Abc_Frame_t * pAbc, int argc, cha
 static int Abc_CommandAbc9PSig               ( Abc_Frame_t * pAbc, int argc, char ** argv );
 static int Abc_CommandAbc9Status             ( Abc_Frame_t * pAbc, int argc, char ** argv );
 static int Abc_CommandAbc9MuxProfile         ( Abc_Frame_t * pAbc, int argc, char ** argv );
+static int Abc_CommandAbc9Unate              ( Abc_Frame_t * pAbc, int argc, char ** argv );
 static int Abc_CommandAbc9Rex2Gia            ( Abc_Frame_t * pAbc, int argc, char ** argv );
 static int Abc_CommandAbc9RexWalk            ( Abc_Frame_t * pAbc, int argc, char ** argv );
 static int Abc_CommandAbc9Show               ( Abc_Frame_t * pAbc, int argc, char ** argv );
@@ -1022,6 +1023,7 @@ void Abc_Init( Abc_Frame_t * pAbc )
     Cmd_CommandAdd( pAbc, "ABC9",         "&psig",         Abc_CommandAbc9PSig,         0 );
     Cmd_CommandAdd( pAbc, "ABC9",         "&status",       Abc_CommandAbc9Status,       0 );
     Cmd_CommandAdd( pAbc, "ABC9",         "&profile",      Abc_CommandAbc9MuxProfile,   0 );
+    Cmd_CommandAdd( pAbc, "ABC9",         "&unate",        Abc_CommandAbc9Unate,        0 );
     Cmd_CommandAdd( pAbc, "ABC9",         "&rex2gia",      Abc_CommandAbc9Rex2Gia,      0 );
     Cmd_CommandAdd( pAbc, "ABC9",         "&rexwalk",      Abc_CommandAbc9RexWalk,      0 );
     Cmd_CommandAdd( pAbc, "ABC9",         "&show",         Abc_CommandAbc9Show,         0 );
@@ -28867,6 +28869,55 @@ usage:
     return 1;
 }
 
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+int Abc_CommandAbc9Unate( Abc_Frame_t * pAbc, int argc, char ** argv )
+{
+    extern void Gia_ManCheckUnateTest( Gia_Man_t * p, int fComputeAll, int fVerbose );
+    int c, fComputeAll = 0, fVerbose = 0;
+    Extra_UtilGetoptReset();
+    while ( ( c = Extra_UtilGetopt( argc, argv, "avh" ) ) != EOF )
+    {
+        switch ( c )
+        {
+        case 'a':
+            fComputeAll ^= 1;
+            break;
+        case 'v':
+            fVerbose ^= 1;
+            break;
+        case 'h':
+            goto usage;
+        default:
+            goto usage;
+        }
+    }
+    if ( pAbc->pGia == NULL )
+    {
+        Abc_Print( -1, "Abc_CommandAbc9Unate(): There is no AIG.\n" );
+        return 1;
+    }
+    Gia_ManCheckUnateTest( pAbc->pGia, fComputeAll, fVerbose );
+    return 0;
+
+usage:
+    Abc_Print( -2, "usage: &unate [-avh]\n" );
+    Abc_Print( -2, "\t         prints info about unatements of CO funcs in terms of CI vars\n" );
+    Abc_Print( -2, "\t-a     : toggle using efficient computation for all pairs [default = %s]\n", fComputeAll? "yes": "no" );
+    Abc_Print( -2, "\t-v     : toggle verbose output [default = %s]\n", fVerbose? "yes": "no" );
+    Abc_Print( -2, "\t-h     : print the command usage\n");
+    return 1;
+}
+
 /**Function*************************************************************
 
   Synopsis    []
diff --git a/src/base/abci/abcUnate.c b/src/base/abci/abcUnate.c
index 97b36fbe..63003237 100644
--- a/src/base/abci/abcUnate.c
+++ b/src/base/abci/abcUnate.c
@@ -103,7 +103,10 @@ clkBdd = Abc_Clock() - clk;
 //            p = Extra_UnateComputeSlow( dd, pbGlobal[i] );
             p = Extra_UnateComputeSlow( dd, (DdNode *)Abc_ObjGlobalBdd(pNode) );
             if ( fVerbose )
+            {
+                printf( "Out%4d : ", i );
                 Extra_UnateInfoPrint( p );
+            }
             TotalSupps += p->nVars;
             TotalUnate += p->nUnate;
             Extra_UnateInfoDissolve( p );
@@ -119,7 +122,10 @@ clkBdd = Abc_Clock() - clk;
 //            p = Extra_UnateComputeFast( dd, pbGlobal[i] );
             p = Extra_UnateComputeFast( dd, (DdNode *)Abc_ObjGlobalBdd(pNode) );
             if ( fVerbose )
+            {
+                printf( "Out%4d : ", i );
                 Extra_UnateInfoPrint( p );
+            }
             TotalSupps += p->nVars;
             TotalUnate += p->nUnate;
             Extra_UnateInfoDissolve( p );
-- 
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