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-rw-r--r--src/aig/fra/fraSat.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/aig/fra/fraSat.c b/src/aig/fra/fraSat.c
index bc8ef08a..e1cc4c32 100644
--- a/src/aig/fra/fraSat.c
+++ b/src/aig/fra/fraSat.c
@@ -18,6 +18,7 @@
***********************************************************************/
+#include <math.h>
#include "fra.h"
////////////////////////////////////////////////////////////////////////