1/*	$NetBSD: ieeefp.h,v 1.4 2011/03/26 19:52:20 christos Exp $	*/
 2
 3/* 
 4 * Written by J.T. Conklin, Apr 6, 1995
 5 * Public domain.
 6 */
 7
 8#ifndef _X86_IEEEFP_H_
 9#define _X86_IEEEFP_H_
10
11#include <sys/featuretest.h>
12#include <machine/fenv.h>
13
14typedef int fp_except;
15#define FP_X_INV	FE_INVALID	/* invalid operation exception */
16#define FP_X_DNML	FE_DENORMAL	/* denormalization exception */
17#define FP_X_DZ		FE_DIVBYZERO	/* divide-by-zero exception */
18#define FP_X_OFL	FE_OVERFLOW	/* overflow exception */
19#define FP_X_UFL	FE_UNDERFLOW	/* underflow exception */
20#define FP_X_IMP	FE_INEXACT	/* imprecise (loss of precision) */
21
22typedef enum {
23	FP_RN=FE_TONEAREST,		/* round to nearest representable num */
24	FP_RM=FE_DOWNWARD,		/* round toward negative infinity */
25	FP_RP=FE_UPWARD,		/* round toward positive infinity */
26	FP_RZ=FE_TOWARDZERO		/* round to zero (truncate) */
27} fp_rnd;
28
29typedef enum {
30	FP_PS = 0,			/* 24 bit (single-precision) */
31	FP_PRS,				/* reserved */
32	FP_PD,				/* 53 bit (double-precision) */
33	FP_PE				/* 64 bit (extended-precision) */
34} fp_prec;
35
36
37#endif /* _X86_IEEEFP_H_ */