/*      $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_ */

You are viewing proxied material from ftp.icm.edu.pl. The copyright of proxied material belongs to its original authors. Any comments or complaints in relation to proxied material should be directed to the original authors of the content concerned. Please see the disclaimer for more details.