ieeefp.h revision 1.1 
1/*	$NetBSD: ieeefp.h,v 1.1 2014/09/19 17:36:26 matt Exp $	*/
2
3/*
4 * Based on ieeefp.h written by J.T. Conklin, Apr 28, 1995
5 * Public domain.
6 */
7
8#ifndef _RISCV_IEEEFP_H_
9#define _RISCV_IEEEFP_H_
10
11#include <sys/featuretest.h>
12
13#if defined(_NETBSD_SOURCE) || defined(_ISOC99_SOURCE)
14
15#include <riscv/fenv.h>
16
17#if !defined(_ISOC99_SOURCE)
18
19/* Exception type (used by fpsetmask() et al.) */
20
21typedef int fp_except;
22
23/* Bit defines for fp_except */
24
25#define	FP_X_INV	FE_INVALID	/* invalid operation exception */
26#define	FP_X_DZ		FE_DIVBYZERO	/* divide-by-zero exception */
27#define	FP_X_OFL	FE_OVERFLOW	/* overflow exception */
28#define	FP_X_UFL	FE_UNDERFLOW	/* underflow exception */
29#define	FP_X_IMP	FE_INEXACT	/* imprecise (prec. loss; "inexact") */
30
31/* Rounding modes */
32
33typedef enum {
34    FP_RN=FE_TONEAREST,		/* round to nearest representable number */
35    FP_RP=FE_UPWARD,		/* round toward positive infinity */
36    FP_RM=FE_DOWNWARD,		/* round toward negative infinity */
37    FP_RZ=FE_TOWARDZERO		/* round to zero (truncate) */
38} fp_rnd;
39
40#endif /* !_ISOC99_SOURCE */
41
42#endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */
43
44#endif /* _RISCV_IEEEFP_H_ */
45