Extra files to distribute in sysdeps/posix.
[glibc/history.git] / sysdeps / generic / fpu_control.h
blob4a1b07d238e5b660f427a3283addcc7d32d096c5
1 /* FPU control word definitions. Stub version.
2 Copyright (C) 1996, 1997, 1998 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, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #ifndef _FPU_CONTROL_H
21 #define _FPU_CONTROL_H
23 #define _FPU_RESERVED 0xffffffff /* These bits are reserved and not changed. */
25 /* The fdlibm code requires no interrupts for exceptions. Don't
26 change the rounding mode, it would break long double I/O! */
27 #define _FPU_DEFAULT 0x00000000 /* Default value. */
29 /* Type of the control word. */
30 typedef unsigned int fpu_control_t;
32 /* Macros for accessing the hardware control word. */
33 #define _FPU_GETCW(cw) 0
34 #define _FPU_SETCW(cw) do { } while (0)
36 /* Default control word set at startup. */
37 extern fpu_control_t __fpu_control;
39 #endif /* _FPU_CONTROL_H */