diff options
Diffstat (limited to 'sysdeps/ia64/fpu/bits/mathinline.h')
-rw-r--r-- | sysdeps/ia64/fpu/bits/mathinline.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/sysdeps/ia64/fpu/bits/mathinline.h b/sysdeps/ia64/fpu/bits/mathinline.h new file mode 100644 index 0000000..0656829 --- /dev/null +++ b/sysdeps/ia64/fpu/bits/mathinline.h @@ -0,0 +1,53 @@ +/* Inline math functions for ia64. + Copyright (C) 2004-2014 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 __USE_ISOC99 && defined __GNUC__ && __GNUC__ >= 2 +/* The gcc, version 2.7 or below, has problems with all this inlining + code. So disable it for this version of the compiler. */ +# if __GNUC_PREREQ (2, 8) +/* 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; int __i[2]; } __u = { __d: __x }; + return __u.__i[1] < 0; +} +__MATH_INLINE int +__NTH (__signbitl (long double __x)) +{ + __extension__ union { long double __l; int __i[3]; } __u = { __l: __x }; + return (__u.__i[2] & 0x8000) != 0; +} +# endif +#endif |