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fenv.h revision 1.1 
      1 /*	$NetBSD: fenv.h,v 1.1 2013/04/23 05:41:12 matt Exp $	*/
      2 
      3 /*
      4  * Based on ieeefp.h written by J.T. Conklin, Apr 28, 1995
      5  * Public domain.
      6  */
      7 
      8 #ifndef _ARM_FENV_H_
      9 #define _ARM_FENV_H_
     10 
     11 typedef int fenv_t;
     12 typedef int fexcept_t;
     13 
     14 #define	FE_INVALID	0x01	/* invalid operation exception */
     15 #define	FE_DIVBYZERO	0x02	/* divide-by-zero exception */
     16 #define	FE_OVERFLOW	0x04	/* overflow exception */
     17 #define	FE_UNDERFLOW	0x08	/* underflow exception */
     18 #define	FE_INEXACT	0x10	/* imprecise (loss of precision; "inexact") */
     19 
     20 #define	FE_ALL_EXCEPT	0x1f
     21 
     22 #define	FE_TONEAREST	0	/* round to nearest representable number */
     23 #define	FE_UPWARD	1	/* round toward positive infinity */
     24 #define	FE_DOWNWARD	2	/* round toward negative infinity */
     25 #define	FE_TOWARDZERO	3	/* round to zero (truncate) */
     26 
     27 __BEGIN_DECLS
     28 
     29 /* Default floating-point environment */
     30 extern const fenv_t	__fe_dfl_env;
     31 #define FE_DFL_ENV	(&__fe_dfl_env)
     32 
     33 __END_DECLS
     34 
     35 #endif /* _ARM_FENV_H_ */
     36