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git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/s390/fpu/bits/mathinline.h
1 /* Inline math functions for s390.
2 Copyright (C) 2004-2018 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
20 # error "Never use <bits/mathinline.h> directly; include <math.h> instead."
23 #ifndef __extern_inline
24 # define __MATH_INLINE __inline
26 # define __MATH_INLINE __extern_inline
29 #if (!defined __NO_MATH_INLINES || defined __LIBC_INTERNAL_MATH_INLINES) \
30 && defined __OPTIMIZE__
32 /* This code is used internally in the GNU libc. */
33 #ifdef __LIBC_INTERNAL_MATH_INLINES
36 __NTH (__ieee754_sqrt (double x
))
40 __asm__ ( "sqdbr %0,%1" : "=f" (res
) : "f" (x
) );
45 __NTH (__ieee754_sqrtf (float x
))
49 __asm__ ( "sqebr %0,%1" : "=f" (res
) : "f" (x
) );
53 # if !defined __NO_LONG_DOUBLE_MATH
54 __MATH_INLINE
long double
55 __NTH (sqrtl (long double __x
))
59 __asm__ ( "sqxbr %0,%1" : "=f" (res
) : "f" (__x
) );
62 # endif /* !__NO_LONG_DOUBLE_MATH */
64 #endif /* __LIBC_INTERNAL_MATH_INLINES */
66 #endif /* __NO_MATH_INLINES */