diff options
Diffstat (limited to 'sysdeps/alpha/fpu/bits/fenv.h')
| -rw-r--r-- | sysdeps/alpha/fpu/bits/fenv.h | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/sysdeps/alpha/fpu/bits/fenv.h b/sysdeps/alpha/fpu/bits/fenv.h index 7cb0e3e543..4482f0a2dd 100644 --- a/sysdeps/alpha/fpu/bits/fenv.h +++ b/sysdeps/alpha/fpu/bits/fenv.h @@ -1,6 +1,5 @@ /* Copyright (C) 1997 Free Software Foundation, Inc. This file is part of the GNU C Library. - Contributed by Richard Henderson <rth@tamu.edu>, 1997 The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as @@ -18,7 +17,7 @@ Boston, MA 02111-1307, USA. */ #ifndef _FENV_H -#error "Never use <bits/fenv.h> directly; include <fenv.h> instead." +# error "Never use <bits/fenv.h> directly; include <fenv.h> instead." #endif @@ -51,20 +50,20 @@ enum FE_INVALID = 1UL << 17, #define FE_INVALID FE_INVALID - + FE_ALL_EXCEPT = (FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID) -#define FE_ALL_EXCEPT FE_ALL_EXCEPT +#define FE_ALL_EXCEPT FE_ALL_EXCEPT }; -/* Alpha chips support all four defined rouding modes. +/* Alpha chips support all four defined rouding modes. Note that code must be compiled to use dynamic rounding (/d) instructions to see these changes. For gcc this is -mfp-rounding-mode=d; for DEC cc - this is -fprm d. The default for both is static rounding to nearest. + this is -fprm d. The default for both is static rounding to nearest. - These are shifted down 58 bits from the hardware fpcr because the + These are shifted down 58 bits from the hardware fpcr because the functions are declared to take integers. */ enum @@ -100,5 +99,5 @@ typedef unsigned long fenv_t; #endif /* The system calls to talk to the kernel's FP code. */ -extern unsigned long __ieee_get_fp_control(void); -extern void __ieee_set_fp_control(unsigned long); +extern unsigned long int __ieee_get_fp_control __P ((void)); +extern void __ieee_set_fp_control __P ((unsigned long int __value)); |