1/* $NetBSD: ieeefp.h,v 1.5 2008/08/05 16:47:42 matt Exp $ */ 2 3/* 4 * Written by J.T. Conklin, Apr 11, 1995 5 * Public domain. 6 */ 7 8#ifndef _MIPS_IEEEFP_H_ 9#define _MIPS_IEEEFP_H_ 10 11#include <sys/featuretest.h> 12 13#if defined(_NETBSD_SOURCE) || defined(_ISOC99_SOURCE) 14 15typedef int fenv_t; 16typedef int fexcept_t; 17 18#define FE_INEXACT 0x01 /* imprecise (loss of precision) */ 19#define FE_UNDERFLOW 0x02 /* underflow exception */ 20#define FE_OVERFLOW 0x04 /* overflow exception */ 21#define FE_DIVBYZERO 0x08 /* divide-by-zero exception */ 22#define FE_INVALID 0x10 /* invalid operation exception */ 23 24#define FE_ALL_EXCEPT 0x1f 25 26#define FE_TONEAREST 0 /* round to nearest representable number */ 27#define FE_TOWARDZERO 1 /* round to zero (truncate) */ 28#define FE_UPWARD 2 /* round toward positive infinity */ 29#define FE_DOWNWARD 3 /* round toward negative infinity */ 30 31#if !defined(_ISOC99_SOURCE) 32 33typedef int fp_except; 34#define FP_X_IMP FE_INEXACT /* imprecise (loss of precision) */ 35#define FP_X_UFL FE_UNDERFLOW /* underflow exception */ 36#define FP_X_OFL FE_OVERFLOW /* overflow exception */ 37#define FP_X_DZ FE_DIVBYZERO /* divide-by-zero exception */ 38#define FP_X_INV FE_INVALID /* invalid operation exception */ 39 40typedef enum { 41 FP_RN=FE_TONEAREST, /* round to nearest representable number */ 42 FP_RZ=FE_TOWARDZERO, /* round to zero (truncate) */ 43 FP_RP=FE_UPWARD, /* round toward positive infinity */ 44 FP_RM=FE_DOWNWARD /* round toward negative infinity */ 45} fp_rnd; 46 47#endif /* !_ISOC99_SOURCE */ 48 49#endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */ 50 51#endif /* _MIPS_IEEEFP_H_ */ 52