diff --git a/LICENSE.fdlibm b/LICENSE.fdlibm
new file mode 100644
index 0000000..b54cb52
--- /dev/null
+++ b/LICENSE.fdlibm
@@ -0,0 +1,6 @@
+Copyright (C) 1993-2004 by Sun Microsystems, Inc. All rights reserved.
+
+Developed at SunSoft, a Sun Microsystems, Inc. business.
+Permission to use, copy, modify, and distribute this
+software is freely granted, provided that this notice
+is preserved.