11.2Sskrll/*	$NetBSD: ieeefp.h,v 1.2 2020/03/14 16:12:16 skrll Exp $	*/
21.1Smatt
31.2Sskrll/*
41.1Smatt * Based on ieeefp.h written by J.T. Conklin, Apr 28, 1995
51.1Smatt * Public domain.
61.1Smatt */
71.1Smatt
81.1Smatt#ifndef _RISCV_IEEEFP_H_
91.1Smatt#define _RISCV_IEEEFP_H_
101.1Smatt
111.1Smatt#include <sys/featuretest.h>
121.1Smatt
131.1Smatt#if defined(_NETBSD_SOURCE) || defined(_ISOC99_SOURCE)
141.1Smatt
151.1Smatt#include <riscv/fenv.h>
161.1Smatt
171.1Smatt#if !defined(_ISOC99_SOURCE)
181.1Smatt
191.1Smatt/* Exception type (used by fpsetmask() et al.) */
201.1Smatt
211.1Smatttypedef int fp_except;
221.1Smatt
231.1Smatt/* Bit defines for fp_except */
241.1Smatt
251.1Smatt#define	FP_X_INV	FE_INVALID	/* invalid operation exception */
261.1Smatt#define	FP_X_DZ		FE_DIVBYZERO	/* divide-by-zero exception */
271.1Smatt#define	FP_X_OFL	FE_OVERFLOW	/* overflow exception */
281.1Smatt#define	FP_X_UFL	FE_UNDERFLOW	/* underflow exception */
291.1Smatt#define	FP_X_IMP	FE_INEXACT	/* imprecise (prec. loss; "inexact") */
301.1Smatt
311.1Smatt/* Rounding modes */
321.1Smatt
331.1Smatttypedef enum {
341.1Smatt    FP_RN=FE_TONEAREST,		/* round to nearest representable number */
351.1Smatt    FP_RP=FE_UPWARD,		/* round toward positive infinity */
361.1Smatt    FP_RM=FE_DOWNWARD,		/* round toward negative infinity */
371.1Smatt    FP_RZ=FE_TOWARDZERO		/* round to zero (truncate) */
381.1Smatt} fp_rnd;
391.1Smatt
401.1Smatt#endif /* !_ISOC99_SOURCE */
411.1Smatt
421.1Smatt#endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */
431.1Smatt
441.1Smatt#endif /* _RISCV_IEEEFP_H_ */
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