1 /* $NetBSD: ieeefp.h,v 1.3 2013/04/23 05:42:23 matt Exp $ */ 2 3 /* 4 * Based on ieeefp.h written by J.T. Conklin, Apr 28, 1995 5 * Public domain. 6 */ 7 8 #ifndef _AARCH64_IEEEFP_H_ 9 #define _AARCH64_IEEEFP_H_ 10 11 #include <LibConfig.h> 12 #include <sys/featuretest.h> 13 14 #if defined(_NETBSD_SOURCE) || defined(_ISOC99_SOURCE) 15 16 #include <machine/fenv.h> 17 18 #if !defined(_ISOC99_SOURCE) 19 20 /* Exception type (used by fpsetmask() et al.) */ 21 22 typedef int fp_except; 23 24 /* Bit defines for fp_except */ 25 26 #define FP_X_INV FE_INVALID /* invalid operation exception */ 27 #define FP_X_DZ FE_DIVBYZERO /* divide-by-zero exception */ 28 #define FP_X_OFL FE_OVERFLOW /* overflow exception */ 29 #define FP_X_UFL FE_UNDERFLOW /* underflow exception */ 30 #define FP_X_IMP FE_INEXACT /* imprecise (prec. loss; "inexact") */ 31 32 /* Rounding modes */ 33 34 typedef enum { 35 FP_RN=FE_TONEAREST, /* round to nearest representable number */ 36 FP_RP=FE_UPWARD, /* round toward positive infinity */ 37 FP_RM=FE_DOWNWARD, /* round toward negative infinity */ 38 FP_RZ=FE_TOWARDZERO /* round to zero (truncate) */ 39 } fp_rnd; 40 41 #endif /* !_ISOC99_SOURCE */ 42 43 #endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */ 44 45 #endif /* _AARCH64_IEEEFP_H_ */ 46