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-rw-r--r--lib/frexpl.c35
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+/* Split a 'long double' into fraction and mantissa.
+ Copyright (C) 2007, 2009-2023 Free Software Foundation, Inc.
+
+ This file 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.
+
+ This file 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 this program. If not, see <https://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+#if HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
+
+/* Specification. */
+# include <math.h>
+
+long double
+frexpl (long double x, int *expptr)
+{
+ return frexp (x, expptr);
+}
+
+#else
+
+# define USE_LONG_DOUBLE
+# include "frexp.c"
+
+#endif