/* Inline math functions for s390.   Copyright (C) 2004, 2007 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/mathinline.h> directly; include <math.h> instead."#endif#ifdef __cplusplus# 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 */