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553cb3ed46
sys/param.h was manually adjusted to not define __NetBSD_Version__ since it will be defined by the compiler.
53 lines
No EOL
1.4 KiB
C
Vendored
53 lines
No EOL
1.4 KiB
C
Vendored
/* $NetBSD: ieeefp.h,v 1.10 2017/03/22 23:11:09 chs 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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#include <m68k/fenv.h>
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#if !defined(_ISOC99_SOURCE)
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typedef int fp_except;
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/* adjust for FP_* and FE_* value differences */
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#define __FPE(x) ((x) >> 3)
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#define __FEE(x) ((x) << 3)
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#define __FPR(x) ((x) >> 4)
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#define __FER(x) ((x) << 4)
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#define FP_X_IMP __FPE(FE_INEXACT) /* imprecise (loss of precision) */
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#define FP_X_DZ __FPE(FE_DIVBYZERO) /* divide-by-zero exception */
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#define FP_X_UFL __FPE(FE_UNDERFLOW) /* underflow exception */
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#define FP_X_OFL __FPE(FE_OVERFLOW) /* overflow exception */
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#define FP_X_INV __FPE(FE_INVALID) /* invalid operation exception */
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typedef enum {
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FP_RN=__FPR(FE_TONEAREST), /* round to nearest representable number */
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FP_RZ=__FPR(FE_TOWARDZERO), /* round to zero (truncate) */
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FP_RM=__FPR(FE_DOWNWARD), /* round toward negative infinity */
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FP_RP=__FPR(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 /* !_ISOC99_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_ */ |