1/* $NetBSD: ieeefp.h,v 1.11 2020/07/26 08:08:41 simonb 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 15#include <mips/fenv.h> 16 17#if !defined(_ISOC99_SOURCE) 18 19typedef unsigned int fp_except; 20 21/* adjust for FP_* and FE_* value differences */ 22#define __FPE(x) ((x) >> 2) 23#define __FEE(x) ((x) << 2) 24#define __FPR(x) ((x)) 25#define __FER(x) ((x)) 26 27#define FP_X_IMP __FPE(FE_INEXACT) /* imprecise (loss of precision) */ 28#define FP_X_UFL __FPE(FE_UNDERFLOW) /* underflow exception */ 29#define FP_X_OFL __FPE(FE_OVERFLOW) /* overflow exception */ 30#define FP_X_DZ __FPE(FE_DIVBYZERO) /* divide-by-zero exception */ 31#define FP_X_INV __FPE(FE_INVALID) /* invalid operation exception */ 32 33typedef enum { 34 FP_RN=FE_TONEAREST, /* round to nearest representable number */ 35 FP_RZ=FE_TOWARDZERO, /* round to zero (truncate) */ 36 FP_RP=FE_UPWARD, /* round toward positive infinity */ 37 FP_RM=FE_DOWNWARD /* round toward negative infinity */ 38} fp_rnd; 39 40#endif /* !_ISOC99_SOURCE */ 41 42#endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */ 43 44#endif /* _MIPS_IEEEFP_H_ */ 45