/* $NetBSD: ieeefp.h,v 1.4 2011/03/26 19:52:20 christos Exp $ */
/*
* Written by J.T. Conklin, Apr 6, 1995
* Public domain.
*/
#ifndef _X86_IEEEFP_H_
#define _X86_IEEEFP_H_
#include <sys/featuretest.h>
#include <machine/fenv.h>
typedef int fp_except;
#define FP_X_INV FE_INVALID /* invalid operation exception */
#define FP_X_DNML FE_DENORMAL /* denormalization exception */
#define FP_X_DZ FE_DIVBYZERO /* divide-by-zero exception */
#define FP_X_OFL FE_OVERFLOW /* overflow exception */
#define FP_X_UFL FE_UNDERFLOW /* underflow exception */
#define FP_X_IMP FE_INEXACT /* imprecise (loss of precision) */
typedef enum {
FP_RN=FE_TONEAREST, /* round to nearest representable num */
FP_RM=FE_DOWNWARD, /* round toward negative infinity */
FP_RP=FE_UPWARD, /* round toward positive infinity */
FP_RZ=FE_TOWARDZERO /* round to zero (truncate) */
} fp_rnd;
typedef enum {
FP_PS = 0, /* 24 bit (single-precision) */
FP_PRS, /* reserved */
FP_PD, /* 53 bit (double-precision) */
FP_PE /* 64 bit (extended-precision) */
} fp_prec;
#endif /* _X86_IEEEFP_H_ */
