/*      $NetBSD: ieeefp.h,v 1.5 2021/10/06 05:33:15 skrll Exp $ */

/*
 * Based on ieeefp.h written by J.T. Conklin, Apr 28, 1995
 * Public domain.
 */

#ifndef _ARM_IEEEFP_H_
#define _ARM_IEEEFP_H_

#include <sys/featuretest.h>

#if defined(_NETBSD_SOURCE) || defined(_ISOC99_SOURCE)

#include <arm/fenv.h>

#if !defined(_ISOC99_SOURCE)

/* Exception type (used by fpsetmask() et al.) */

typedef int fp_except;

/* adjust for FP_* and FE_* value differences */
#define __FPE(x) (x)
#define __FEE(x) (x)
#define __FPR(x) (x)
#define __FER(x) (x)

/* Bit defines for fp_except */

#define FP_X_INV        FE_INVALID      /* invalid operation 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 (prec. loss; "inexact") */

/* Rounding modes */

typedef enum {
    FP_RN=FE_TONEAREST,         /* round to nearest representable number */
    FP_RP=FE_UPWARD,            /* round toward positive infinity */
    FP_RM=FE_DOWNWARD,          /* round toward negative infinity */
    FP_RZ=FE_TOWARDZERO         /* round to zero (truncate) */
} fp_rnd;

#endif /* !_ISOC99_SOURCE */

#endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */

#endif /* _ARM_IEEEFP_H_ */