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/* $NetBSD: ieeefp.h,v 1.10 2017/03/22 23:11:09 chs Exp $ */
/*
* Written by J.T. Conklin, Apr 6, 1995
* Modified by Jason R. Thorpe, June 22, 2003
* Public domain.
*/
#ifndef _M68K_IEEEFP_H_
#define _M68K_IEEEFP_H_
#include <sys/featuretest.h>
#if defined(_NETBSD_SOURCE) || defined(_ISOC99_SOURCE)
#include <m68k/fenv.h>
#if !defined(_ISOC99_SOURCE)
typedef int fp_except;
/* adjust for FP_* and FE_* value differences */
#define __FPE(x) ((x) >> 3)
#define __FEE(x) ((x) << 3)
#define __FPR(x) ((x) >> 4)
#define __FER(x) ((x) << 4)
#define FP_X_IMP __FPE(FE_INEXACT) /* imprecise (loss of precision) */
#define FP_X_DZ __FPE(FE_DIVBYZERO) /* divide-by-zero exception */
#define FP_X_UFL __FPE(FE_UNDERFLOW) /* underflow exception */
#define FP_X_OFL __FPE(FE_OVERFLOW) /* overflow exception */
#define FP_X_INV __FPE(FE_INVALID) /* invalid operation exception */
typedef enum {
FP_RN=__FPR(FE_TONEAREST), /* round to nearest representable number */
FP_RZ=__FPR(FE_TOWARDZERO), /* round to zero (truncate) */
FP_RM=__FPR(FE_DOWNWARD), /* round toward negative infinity */
FP_RP=__FPR(FE_UPWARD) /* round toward positive infinity */
} fp_rnd;
typedef enum {
FP_PE=0, /* extended-precision (64-bit) */
FP_PS=1, /* single-precision (24-bit) */
FP_PD=2 /* double-precision (53-bit) */
} fp_prec;
#endif /* !_ISOC99_SOURCE */
#define __HAVE_FP_PREC
#endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */
#endif /* _M68K_IEEEFP_H_ */
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