From 9d01c98e62e2cfd413ca44cdd3e2c53ab281046c Mon Sep 17 00:00:00 2001
From: Alan Mishchenko <alanmi@berkeley.edu>
Date: Tue, 10 Sep 2013 13:27:39 -0700
Subject: Added sorting equiv classes by the index of their representatives.

---
 src/aig/gia/giaIso2.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/aig/gia/giaIso2.c')

diff --git a/src/aig/gia/giaIso2.c b/src/aig/gia/giaIso2.c
index 79e0bb10..ef5dbf42 100644
--- a/src/aig/gia/giaIso2.c
+++ b/src/aig/gia/giaIso2.c
@@ -668,6 +668,8 @@ Gia_Man_t * Gia_ManIsoReduce2( Gia_Man_t * pGia, Vec_Ptr_t ** pvPosEquivs, Vec_P
     vEquivs2 = Gia_Iso2ManCheckIsoClasses( pGia, vEquivs );
     Vec_WecFree( vEquivs );
     vEquivs = vEquivs2;
+    // sort equiv classes by the first integer
+    Vec_WecSortByFirstInt( vEquivs, 0 );
     // find the first outputs
     vRemains = Vec_WecCollectFirsts( vEquivs );
     // derive the final GIA
-- 
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