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-rw-r--r--src/aig/gia/giaRex.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/aig/gia/giaRex.c b/src/aig/gia/giaRex.c
index d228642f..e778ceff 100644
--- a/src/aig/gia/giaRex.c
+++ b/src/aig/gia/giaRex.c
@@ -27,6 +27,8 @@ ABC_NAMESPACE_IMPL_START
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
+extern void Extra_PrintBinary( FILE * pFile, unsigned Sign[], int nBits );
+
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////