diff options
Diffstat (limited to 'sysdeps/x86/bits')
| -rw-r--r-- | sysdeps/x86/bits/flt-eval-method.h | 33 | ||||
| -rw-r--r-- | sysdeps/x86/bits/mathdef.h | 17 |
2 files changed, 33 insertions, 17 deletions
diff --git a/sysdeps/x86/bits/flt-eval-method.h b/sysdeps/x86/bits/flt-eval-method.h new file mode 100644 index 0000000000..674f2fcc05 --- /dev/null +++ b/sysdeps/x86/bits/flt-eval-method.h @@ -0,0 +1,33 @@ +/* Define __GLIBC_FLT_EVAL_METHOD. x86 version. + Copyright (C) 2016 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/flt-eval-method.h> directly; include <math.h> instead." +#endif + +#ifdef __FLT_EVAL_METHOD__ +# if __FLT_EVAL_METHOD__ == -1 +# define __GLIBC_FLT_EVAL_METHOD 2 +# else +# define __GLIBC_FLT_EVAL_METHOD __FLT_EVAL_METHOD__ +# endif +#elif defined __x86_64__ +# define __GLIBC_FLT_EVAL_METHOD 0 +#else +# define __GLIBC_FLT_EVAL_METHOD 2 +#endif diff --git a/sysdeps/x86/bits/mathdef.h b/sysdeps/x86/bits/mathdef.h index 9423a7f558..2f0025c38d 100644 --- a/sysdeps/x86/bits/mathdef.h +++ b/sysdeps/x86/bits/mathdef.h @@ -22,23 +22,6 @@ #if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF # define _MATH_H_MATHDEF 1 -# if ((defined __x86_64__ && !defined __FLT_EVAL_METHOD__) \ - || (defined __FLT_EVAL_METHOD__ && __FLT_EVAL_METHOD__ == 0)) -/* The x86-64 architecture computes values with the precission of the - used type. Similarly for -m32 -mfpmath=sse. */ -typedef float float_t; /* `float' expressions are evaluated as `float'. */ -typedef double double_t; /* `double' expressions are evaluated - as `double'. */ -# else -/* The ix87 FPUs evaluate all values in the 80 bit floating-point format - which is also available for the user as `long double'. Therefore we - define: */ -typedef long double float_t; /* `float' expressions are evaluated as - `long double'. */ -typedef long double double_t; /* `double' expressions are evaluated as - `long double'. */ -# endif - /* The values returned by `ilogb' for 0 and NaN respectively. */ # define FP_ILOGB0 (-2147483647 - 1) # define FP_ILOGBNAN (-2147483647 - 1) |