1 /* $NetBSD: ieeefp.h,v 1.5 2021/10/06 05:33:15 skrll Exp $ */ 2 3 /* 4 * Based on ieeefp.h written by J.T. Conklin, Apr 28, 1995 5 * Public domain. 6 */ 7 8 #ifndef _ARM_IEEEFP_H_ 9 #define _ARM_IEEEFP_H_ 10 11 #include <sys/featuretest.h> 12 13 #if defined(_NETBSD_SOURCE) || defined(_ISOC99_SOURCE) 14 15 #include <arm/fenv.h> 16 17 #if !defined(_ISOC99_SOURCE) 18 19 /* Exception type (used by fpsetmask() et al.) */ 20 21 typedef int fp_except; 22 23 /* adjust for FP_* and FE_* value differences */ 24 #define __FPE(x) (x) 25 #define __FEE(x) (x) 26 #define __FPR(x) (x) 27 #define __FER(x) (x) 28 29 /* Bit defines for fp_except */ 30 31 #define FP_X_INV FE_INVALID /* invalid operation exception */ 32 #define FP_X_DZ FE_DIVBYZERO /* divide-by-zero exception */ 33 #define FP_X_OFL FE_OVERFLOW /* overflow exception */ 34 #define FP_X_UFL FE_UNDERFLOW /* underflow exception */ 35 #define FP_X_IMP FE_INEXACT /* imprecise (prec. loss; "inexact") */ 36 37 /* Rounding modes */ 38 39 typedef enum { 40 FP_RN=FE_TONEAREST, /* round to nearest representable number */ 41 FP_RP=FE_UPWARD, /* round toward positive infinity */ 42 FP_RM=FE_DOWNWARD, /* round toward negative infinity */ 43 FP_RZ=FE_TOWARDZERO /* round to zero (truncate) */ 44 } fp_rnd; 45 46 #endif /* !_ISOC99_SOURCE */ 47 48 #endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */ 49 50 #endif /* _ARM_IEEEFP_H_ */ 51