1*35563434Sskrll /* $NetBSD: ieeefp.h,v 1.2 2020/03/14 16:12:16 skrll Exp $ */ 26cf6fe02Smatt 36cf6fe02Smatt /* 46cf6fe02Smatt * Based on ieeefp.h written by J.T. Conklin, Apr 28, 1995 56cf6fe02Smatt * Public domain. 66cf6fe02Smatt */ 76cf6fe02Smatt 86cf6fe02Smatt #ifndef _RISCV_IEEEFP_H_ 96cf6fe02Smatt #define _RISCV_IEEEFP_H_ 106cf6fe02Smatt 116cf6fe02Smatt #include <sys/featuretest.h> 126cf6fe02Smatt 136cf6fe02Smatt #if defined(_NETBSD_SOURCE) || defined(_ISOC99_SOURCE) 146cf6fe02Smatt 156cf6fe02Smatt #include <riscv/fenv.h> 166cf6fe02Smatt 176cf6fe02Smatt #if !defined(_ISOC99_SOURCE) 186cf6fe02Smatt 196cf6fe02Smatt /* Exception type (used by fpsetmask() et al.) */ 206cf6fe02Smatt 216cf6fe02Smatt typedef int fp_except; 226cf6fe02Smatt 236cf6fe02Smatt /* Bit defines for fp_except */ 246cf6fe02Smatt 256cf6fe02Smatt #define FP_X_INV FE_INVALID /* invalid operation exception */ 266cf6fe02Smatt #define FP_X_DZ FE_DIVBYZERO /* divide-by-zero exception */ 276cf6fe02Smatt #define FP_X_OFL FE_OVERFLOW /* overflow exception */ 286cf6fe02Smatt #define FP_X_UFL FE_UNDERFLOW /* underflow exception */ 296cf6fe02Smatt #define FP_X_IMP FE_INEXACT /* imprecise (prec. loss; "inexact") */ 306cf6fe02Smatt 316cf6fe02Smatt /* Rounding modes */ 326cf6fe02Smatt 336cf6fe02Smatt typedef enum { 346cf6fe02Smatt FP_RN=FE_TONEAREST, /* round to nearest representable number */ 356cf6fe02Smatt FP_RP=FE_UPWARD, /* round toward positive infinity */ 366cf6fe02Smatt FP_RM=FE_DOWNWARD, /* round toward negative infinity */ 376cf6fe02Smatt FP_RZ=FE_TOWARDZERO /* round to zero (truncate) */ 386cf6fe02Smatt } fp_rnd; 396cf6fe02Smatt 406cf6fe02Smatt #endif /* !_ISOC99_SOURCE */ 416cf6fe02Smatt 426cf6fe02Smatt #endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */ 436cf6fe02Smatt 446cf6fe02Smatt #endif /* _RISCV_IEEEFP_H_ */ 45