master
1/* $NetBSD: ieeefp.h,v 1.11 2020/07/26 08:08:41 simonb Exp $ */
2
3/*
4 * Written by J.T. Conklin, Apr 11, 1995
5 * Public domain.
6 */
7
8#ifndef _MIPS_IEEEFP_H_
9#define _MIPS_IEEEFP_H_
10
11#include <sys/featuretest.h>
12
13#if defined(_NETBSD_SOURCE) || defined(_ISOC99_SOURCE)
14
15#include <mips/fenv.h>
16
17#if !defined(_ISOC99_SOURCE)
18
19typedef unsigned int fp_except;
20
21/* adjust for FP_* and FE_* value differences */
22#define __FPE(x) ((x) >> 2)
23#define __FEE(x) ((x) << 2)
24#define __FPR(x) ((x))
25#define __FER(x) ((x))
26
27#define FP_X_IMP __FPE(FE_INEXACT) /* imprecise (loss of precision) */
28#define FP_X_UFL __FPE(FE_UNDERFLOW) /* underflow exception */
29#define FP_X_OFL __FPE(FE_OVERFLOW) /* overflow exception */
30#define FP_X_DZ __FPE(FE_DIVBYZERO) /* divide-by-zero exception */
31#define FP_X_INV __FPE(FE_INVALID) /* invalid operation exception */
32
33typedef enum {
34 FP_RN=FE_TONEAREST, /* round to nearest representable number */
35 FP_RZ=FE_TOWARDZERO, /* round to zero (truncate) */
36 FP_RP=FE_UPWARD, /* round toward positive infinity */
37 FP_RM=FE_DOWNWARD /* round toward negative infinity */
38} fp_rnd;
39
40#endif /* !_ISOC99_SOURCE */
41
42#endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */
43
44#endif /* _MIPS_IEEEFP_H_ */