projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 1bbb83b5 HL |
1 | /* $NetBSD: ieeefp.h,v 1.3 2013/04/23 05:42:23 matt Exp $ */\r |
| 2 | \r | |
| 3 | /*\r | |
| 4 | * Based on ieeefp.h written by J.T. Conklin, Apr 28, 1995\r | |
| 5 | * Public domain.\r | |
| 6 | */\r | |
| 7 | \r | |
| 8 | #ifndef _AARCH64_IEEEFP_H_\r | |
| 9 | #define _AARCH64_IEEEFP_H_\r | |
| 10 | \r | |
| 11 | #include <LibConfig.h>\r | |
| 12 | #include <sys/featuretest.h>\r | |
| 13 | \r | |
| 14 | #if defined(_NETBSD_SOURCE) || defined(_ISOC99_SOURCE)\r | |
| 15 | \r | |
| 16 | #include <machine/fenv.h>\r | |
| 17 | \r | |
| 18 | #if !defined(_ISOC99_SOURCE)\r | |
| 19 | \r | |
| 20 | /* Exception type (used by fpsetmask() et al.) */\r | |
| 21 | \r | |
| 22 | typedef int fp_except;\r | |
| 23 | \r | |
| 24 | /* Bit defines for fp_except */\r | |
| 25 | \r | |
| 26 | #define FP_X_INV FE_INVALID /* invalid operation exception */\r | |
| 27 | #define FP_X_DZ FE_DIVBYZERO /* divide-by-zero exception */\r | |
| 28 | #define FP_X_OFL FE_OVERFLOW /* overflow exception */\r | |
| 29 | #define FP_X_UFL FE_UNDERFLOW /* underflow exception */\r | |
| 30 | #define FP_X_IMP FE_INEXACT /* imprecise (prec. loss; "inexact") */\r | |
| 31 | \r | |
| 32 | /* Rounding modes */\r | |
| 33 | \r | |
| 34 | typedef enum {\r | |
| 35 | FP_RN=FE_TONEAREST, /* round to nearest representable number */\r | |
| 36 | FP_RP=FE_UPWARD, /* round toward positive infinity */\r | |
| 37 | FP_RM=FE_DOWNWARD, /* round toward negative infinity */\r | |
| 38 | FP_RZ=FE_TOWARDZERO /* round to zero (truncate) */\r | |
| 39 | } fp_rnd;\r | |
| 40 | \r | |
| 41 | #endif /* !_ISOC99_SOURCE */\r | |
| 42 | \r | |
| 43 | #endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */\r | |
| 44 | \r | |
| 45 | #endif /* _AARCH64_IEEEFP_H_ */\r |