1 files changed, 51 insertions, 0 deletions
diff --git a/sysdeps/ieee754/ldbl-128/bits/huge_vall.h b/sysdeps/ieee754/ldbl-128/bits/huge_vall.h
new file mode 100644
index 0000000000..d22a949bad
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128/bits/huge_vall.h
@@ -0,0 +1,51 @@
+/* `HUGE_VALL' constant for IEEE 754 machines (where it is infinity).
+   Used by <stdlib.h> and <math.h> functions for overflow.
+   Copyright (C) 1992, 1995, 1996, 1997, 1999, 2000, 2004
+   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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _MATH_H
+# error "Never use <bits/huge_vall.h> directly; include <math.h> instead."
+#endif
+
+/* IEEE positive infinity (-HUGE_VAL is negative infinity).  */
+
+#if __GNUC_PREREQ(3,3)
+# define HUGE_VALL	(__builtin_huge_vall())
+#elif __GNUC_PREREQ(2,96)
+# define HUGE_VALL	(__extension__ 0x1.0p32767L)
+#else
+# include <endian.h>
+
+typedef union { unsigned char __c[16]; long double __ld; } __huge_vall_t;
+
+# if __BYTE_ORDER == __BIG_ENDIAN
+#  define __HUGE_VALL_bytes	{ 0x7f, 0xff, 0,0,0,0,0,0,0,0,0,0,0,0,0,0 }
+# endif
+# if __BYTE_ORDER == __LITTLE_ENDIAN
+#  define __HUGE_VALL_bytes	{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0xff, 0x7f }
+# endif
+
+# ifdef __GNUC__
+#  define HUGE_VALL	(__extension__ \
+			 ((__huge_vall_t) { __c : __HUGE_VALL_bytes }).__ld)
+# else
+static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
+#  define HUGE_VALL	(__huge_val.__d)
+# endif
+#endif