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diff --git a/REORG.TODO/sysdeps/s390/fpu/bits/mathinline.h b/REORG.TODO/sysdeps/s390/fpu/bits/mathinline.h
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+++ b/REORG.TODO/sysdeps/s390/fpu/bits/mathinline.h
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+/* Inline math functions for s390.
+ Copyright (C) 2004-2017 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 _MATH_H
+# error "Never use <bits/mathinline.h> directly; include <math.h> instead."
+#endif
+
+#ifndef __extern_inline
+# define __MATH_INLINE __inline
+#else
+# define __MATH_INLINE __extern_inline
+#endif
+
+#if (!defined __NO_MATH_INLINES || defined __LIBC_INTERNAL_MATH_INLINES) \
+ && defined __OPTIMIZE__
+
+#ifdef __USE_ISOC99
+
+/* Test for negative number. Used in the signbit() macro. */
+__MATH_INLINE int
+__NTH (__signbitf (float __x))
+{
+ __extension__ union { float __f; int __i; } __u = { __f: __x };
+ return __u.__i < 0;
+}
+
+__MATH_INLINE int
+__NTH (__signbit (double __x))
+{
+ __extension__ union { double __d; long __i; } __u = { __d: __x };
+ return __u.__i < 0;
+}
+
+# ifndef __NO_LONG_DOUBLE_MATH
+__MATH_INLINE int
+__NTH (__signbitl (long double __x))
+{
+ __extension__ union { long double __l; int __i[4]; } __u = { __l: __x };
+ return __u.__i[0] < 0;
+}
+# else
+__MATH_INLINE int
+__NTH (__signbitl (long double __x))
+{
+ return __signbit ((double) __x);
+}
+# endif
+
+#endif /* C99 */
+
+/* This code is used internally in the GNU libc. */
+#ifdef __LIBC_INTERNAL_MATH_INLINES
+
+__MATH_INLINE double
+__NTH (__ieee754_sqrt (double x))
+{
+ double res;
+
+ __asm__ ( "sqdbr %0,%1" : "=f" (res) : "f" (x) );
+ return res;
+}
+
+__MATH_INLINE float
+__NTH (__ieee754_sqrtf (float x))
+{
+ float res;
+
+ __asm__ ( "sqebr %0,%1" : "=f" (res) : "f" (x) );
+ return res;
+}
+
+# if !defined __NO_LONG_DOUBLE_MATH
+__MATH_INLINE long double
+__NTH (sqrtl (long double __x))
+{
+ long double res;
+
+ __asm__ ( "sqxbr %0,%1" : "=f" (res) : "f" (__x) );
+ return res;
+}
+# endif /* !__NO_LONG_DOUBLE_MATH */
+
+#endif /* __LIBC_INTERNAL_MATH_INLINES */
+
+#endif /* __NO_MATH_INLINES */