mirror of
https://github.com/Stichting-MINIX-Research-Foundation/netbsd.git
synced 2025-08-10 06:29:51 -04:00
40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
/* $NetBSD: fenv.h,v 1.1 2014/09/03 19:34:26 matt Exp $ */
|
|
|
|
/*
|
|
* Based on ieeefp.h written by J.T. Conklin, Apr 28, 1995
|
|
* Public domain.
|
|
*/
|
|
|
|
#ifndef _OR1K_FENV_H_
|
|
#define _OR1K_FENV_H_
|
|
|
|
typedef int fenv_t; /* FPSCR */
|
|
typedef int fexcept_t;
|
|
|
|
#define FE_OVERFLOW 0x001 /* Result overflowed */
|
|
#define FE_UNDERFLOW 0x002 /* Result underflowed */
|
|
#define FE_SNAN 0x004 /* Result SNaN */
|
|
#define FE_QNAN 0x008 /* Result QNaN */
|
|
#define FE_ZERO 0x010 /* Result zero */
|
|
#define FE_INEXACT 0x020 /* Result inexact */
|
|
#define FE_INVALID 0x040 /* Result invalid */
|
|
#define FE_INFINITY 0x080 /* Result infinite */
|
|
#define FE_DIVBYZERO 0x100 /* divide-by-zero */
|
|
|
|
#define FE_ALL_EXCEPT 0x1ff
|
|
|
|
#define FE_TONEAREST 0 /* round to nearest representable number */
|
|
#define FE_TOWARDZERO 1 /* round to zero (truncate) */
|
|
#define FE_UPWARD 2 /* round toward positive infinity */
|
|
#define FE_DOWNWARD 3 /* round toward negative infinity */
|
|
|
|
__BEGIN_DECLS
|
|
|
|
/* Default floating-point environment */
|
|
extern const fenv_t __fe_dfl_env;
|
|
#define FE_DFL_ENV (&__fe_dfl_env)
|
|
|
|
__END_DECLS
|
|
|
|
#endif /* _OR1K_FENV_H_ */
|