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63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
/* $NetBSD: ieeefp.h,v 1.7 2009/01/27 19:04:39 martin Exp $ */
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/*
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* Written by J.T. Conklin, Apr 6, 1995
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* Modified by Jason R. Thorpe, June 22, 2003
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* Public domain.
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*/
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#ifndef _M68K_IEEEFP_H_
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#define _M68K_IEEEFP_H_
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#include <sys/featuretest.h>
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#if defined(_NETBSD_SOURCE) || defined(_ISOC99_SOURCE)
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typedef int fenv_t;
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typedef int fexcept_t;
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#define FE_INEXACT 0x01 /* imprecise (loss of precision) */
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#define FE_DIVBYZERO 0x02 /* divide-by-zero exception */
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#define FE_UNDERFLOW 0x04 /* overflow exception */
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#define FE_OVERFLOW 0x08 /* underflow exception */
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#define FE_INVALID 0x10 /* invalid operation exception */
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#define FE_ALL_EXCEPT 0x1f
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#define FE_TONEAREST 0 /* round to nearest representable number */
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#define FE_TOWARDZERO 1 /* round to zero (truncate) */
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#define FE_DOWNWARD 2 /* round toward negative infinity */
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#define FE_UPWARD 3 /* round toward positive infinity */
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#if !defined(_ISOC99_SOURCE)
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typedef int fp_except;
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#define FP_X_IMP FE_INEXACT /* imprecise (loss of precision) */
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#define FP_X_DZ FE_DIVBYZERO /* divide-by-zero exception */
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#define FP_X_UFL FE_UNDERFLOW /* underflow exception */
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#define FP_X_OFL FE_OVERFLOW /* overflow exception */
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#define FP_X_INV FE_INVALID /* invalid operation exception */
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typedef enum {
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FP_RN=FE_TONEAREST, /* round to nearest representable number */
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FP_RZ=FE_TOWARDZERO, /* round to zero (truncate) */
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FP_RM=FE_DOWNWARD, /* round toward negative infinity */
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FP_RP=FE_UPWARD /* round toward positive infinity */
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} fp_rnd;
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typedef enum {
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FP_PE=0, /* extended-precision (64-bit) */
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FP_PS=1, /* single-precision (24-bit) */
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FP_PD=2 /* double-precision (53-bit) */
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} fp_prec;
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#endif /* defined(_NETBSD_SOURCE) */
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#define __HAVE_FP_PREC
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#endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */
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#endif /* _M68K_IEEEFP_H_ */
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