/*      $NetBSD: ieeefp.h,v 1.11 2023/09/26 12:46:30 tsutsui 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_ */