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+/* Specify whether there should be compat symbol aliases for some
+ classification functions. Generic version.
+ Copyright (C) 2015-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _LDBL_CLASSIFY_COMPAT_H
+#define _LDBL_CLASSIFY_COMPAT_H 1
+
+/* If defined to 1, enable __finitel, __isinfl, and __isnanl function
+ aliases for binary compatibility when built without long double
+ support. If defined to 0, or if long double does not have the same
+ format as double, there are no such aliases. New ports should use
+ the default definition of this as 0, as such
+ implementation-namespace functions should only have one exported
+ name per floating-point format, not one per floating-point
+ type. */
+#define LDBL_CLASSIFY_COMPAT 0
+
+#endif /* ldbl-classify-compat.h */