From 41fa9a1016d27bd6385e5b49969394d75bba99fd Mon Sep 17 00:00:00 2001
From: Alan Mishchenko <alanmi@berkeley.edu>
Date: Wed, 8 Aug 2012 01:42:14 -0700
Subject: New command 'testnpn' to compare semi-canonical forms.

---
 src/base/abci/abc.c | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)

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

diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c
index 7461f443..dede6c51 100644
--- a/src/base/abci/abc.c
+++ b/src/base/abci/abc.c
@@ -109,6 +109,7 @@ static int Abc_CommandPowerdown              ( Abc_Frame_t * pAbc, int argc, cha
 static int Abc_CommandAddBuffs               ( Abc_Frame_t * pAbc, int argc, char ** argv );
 //static int Abc_CommandMerge                  ( Abc_Frame_t * pAbc, int argc, char ** argv );
 static int Abc_CommandTestDec                ( Abc_Frame_t * pAbc, int argc, char ** argv );
+static int Abc_CommandTestNpn                ( Abc_Frame_t * pAbc, int argc, char ** argv );
 
 static int Abc_CommandRewrite                ( Abc_Frame_t * pAbc, int argc, char ** argv );
 static int Abc_CommandRefactor               ( Abc_Frame_t * pAbc, int argc, char ** argv );
@@ -571,6 +572,7 @@ void Abc_Init( Abc_Frame_t * pAbc )
     Cmd_CommandAdd( pAbc, "Synthesis",    "addbuffs",      Abc_CommandAddBuffs,         1 );
 //    Cmd_CommandAdd( pAbc, "Synthesis",    "merge",         Abc_CommandMerge,            1 );
     Cmd_CommandAdd( pAbc, "Synthesis",    "testdec",       Abc_CommandTestDec,          0 );
+    Cmd_CommandAdd( pAbc, "Synthesis",    "testnpn",       Abc_CommandTestNpn,          0 );
 
     Cmd_CommandAdd( pAbc, "Synthesis",    "rewrite",       Abc_CommandRewrite,          1 );
     Cmd_CommandAdd( pAbc, "Synthesis",    "refactor",      Abc_CommandRefactor,         1 );
@@ -4865,6 +4867,73 @@ usage:
     return 1;
 } 
 
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+int Abc_CommandTestNpn( Abc_Frame_t * pAbc, int argc, char ** argv )
+{
+    extern int Abc_NpnTest( char * pFileName, int NpnType, int fVerbose );
+    char * pFileName;
+    int c;
+    int fVerbose = 0;
+    int NpnType = 0;
+    Extra_UtilGetoptReset();
+    while ( ( c = Extra_UtilGetopt( argc, argv, "Avh" ) ) != EOF )
+    {
+        switch ( c )
+        {
+        case 'A':
+            if ( globalUtilOptind >= argc )
+            {
+                Abc_Print( -1, "Command line switch \"-A\" should be followed by an integer.\n" );
+                goto usage;
+            }
+            NpnType = atoi(argv[globalUtilOptind]);
+            globalUtilOptind++;
+            if ( NpnType < 0 ) 
+                goto usage;
+            break;
+        case 'v':
+            fVerbose ^= 1;
+            break;
+        case 'h':
+            goto usage;
+        default:
+            goto usage;
+        }
+    }
+    if ( argc != globalUtilOptind + 1 )
+    {
+        printf( "Input file is not given.\n" );
+        goto usage;
+    }
+    // get the output file name
+    pFileName = argv[globalUtilOptind];
+    // call the testbench
+    Abc_NpnTest( pFileName, NpnType, fVerbose );
+    return 0;
+
+usage:
+    Abc_Print( -2, "usage: testnpn [-A <num>] [-vh] <file_name>\n" );
+    Abc_Print( -2, "\t           testbench for computing semi-canonical forms of Boolean functions\n" );
+    Abc_Print( -2, "\t-A <num> : semi-caninical form computation algorithm [default = %d]\n", NpnType );
+    Abc_Print( -2, "\t               0: none (reading and writing the file)\n" );
+    Abc_Print( -2, "\t               1: semi-canonical form by counting 1s in cofactors\n" );
+    Abc_Print( -2, "\t               2: semi-canonical form by minimizing truth table value\n" );
+    Abc_Print( -2, "\t               3: exact canonical form (slow for more than 6 variables)\n" );
+    Abc_Print( -2, "\t-v       : toggle verbose printout [default = %s]\n", fVerbose? "yes": "no" );
+    Abc_Print( -2, "\t-h       : print the command usage\n");
+    return 1;
+} 
+
 
 /**Function*************************************************************
 
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