1cd76c7513
. primary purpose is to synchronize with <ieeefp.h> which expects a fp_prec from sys/arch/x86/include/ieeefp.h
38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
/* $NetBSD: ieeefp.h,v 1.4 2011/03/26 19:52:20 christos Exp $ */
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/*
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* Written by J.T. Conklin, Apr 6, 1995
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* Public domain.
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*/
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#ifndef _X86_IEEEFP_H_
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#define _X86_IEEEFP_H_
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#include <sys/featuretest.h>
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#include <machine/fenv.h>
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typedef int fp_except;
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#define FP_X_INV FE_INVALID /* invalid operation exception */
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#define FP_X_DNML FE_DENORMAL /* denormalization exception */
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#define FP_X_DZ FE_DIVBYZERO /* divide-by-zero exception */
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#define FP_X_OFL FE_OVERFLOW /* overflow exception */
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#define FP_X_UFL FE_UNDERFLOW /* underflow exception */
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#define FP_X_IMP FE_INEXACT /* imprecise (loss of precision) */
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typedef enum {
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FP_RN=FE_TONEAREST, /* round to nearest representable num */
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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_RZ=FE_TOWARDZERO /* round to zero (truncate) */
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} fp_rnd;
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typedef enum {
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FP_PS = 0, /* 24 bit (single-precision) */
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FP_PRS, /* reserved */
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FP_PD, /* 53 bit (double-precision) */
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FP_PE /* 64 bit (extended-precision) */
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} fp_prec;
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#endif /* _X86_IEEEFP_H_ */
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