-/* Copyright (C) 2011-2017 Free Software Foundation, Inc.
+/* Copyright (C) 2011-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
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/>. */
+ <https://www.gnu.org/licenses/>. */
#include <math.h>
#include <math_private.h>
#include <math-svid-compat.h>
+#include <libm-alias-double.h>
-#if LIBM_SVID_COMPAT
+#if LIBM_SVID_COMPAT && (SHLIB_COMPAT (libm, GLIBC_2_0, GLIBC_2_29) \
+ || defined NO_LONG_DOUBLE \
+ || defined LONG_DOUBLE_COMPAT)
/* wrapper exp */
double
-__exp (double x)
+__exp_compat (double x)
{
double z = __ieee754_exp (x);
if (__builtin_expect (!isfinite (z) || z == 0, 0)
return z;
}
-hidden_def (__exp)
-weak_alias (__exp, exp)
+# if SHLIB_COMPAT (libm, GLIBC_2_0, GLIBC_2_29)
+compat_symbol (libm, __exp_compat, exp, GLIBC_2_0);
+# endif
# ifdef NO_LONG_DOUBLE
-strong_alias (__exp, __expl)
-weak_alias (__exp, expl)
+weak_alias (__exp_compat, expl)
+# endif
+# ifdef LONG_DOUBLE_COMPAT
+/* Work around gas bug "multiple versions for symbol". */
+weak_alias (__exp_compat, __exp_compat_alias)
+
+LONG_DOUBLE_COMPAT_CHOOSE_libm_expl (
+ compat_symbol (libm, __exp_compat_alias, expl, FIRST_VERSION_libm_expl), );
# endif
#endif