/***
*fpieee.h - Definitions for floating point IEEE exception handling
*
* Copyright (c) 1991-1995, Microsoft Corporation. All rights reserved.
*
*Purpose:
* This file contains constant and type definitions for handling
* floating point exceptions [ANSI/IEEE std. 754]
*
* [Public]
*
****/
#if _MSC_VER > 1000
#pragma once
#endif
#ifndef _INC_FPIEEE
#define _INC_FPIEEE
#if !defined(_WIN32) && !defined(_MAC)
#error ERROR: Only Mac or Win32 targets supported!
#endif
#ifndef __assembler /* MIPS ONLY: Protect from assembler */
#ifdef _MSC_VER
/*
* Currently, all MS C compilers for Win32 platforms default to 8 byte
* alignment.
*/
#pragma pack(push,8)
#endif /* _MSC_VER */
#ifdef __cplusplus
extern "C" {
#endif
/* Define _CRTAPI1 (for compatibility with the NT SDK) */
#ifndef _CRTAPI1
#if _MSC_VER >= 800 && _M_IX86 >= 300
#define _CRTAPI1 __cdecl
#else
#define _CRTAPI1
#endif
#endif
/* Define _CRTAPI2 (for compatibility with the NT SDK) */
#ifndef _CRTAPI2
#if _MSC_VER >= 800 && _M_IX86 >= 300
#define _CRTAPI2 __cdecl
#else
#define _CRTAPI2
#endif
#endif
/* Define _CRTIMP */
#ifndef _CRTIMP
#ifdef _NTSDK
/* definition compatible with NT SDK */
#define _CRTIMP
#else /* ndef _NTSDK */
/* current definition */
#ifdef _DLL
#define _CRTIMP __declspec(dllimport)
#else /* ndef _DLL */
#define _CRTIMP
#endif /* _DLL */
#endif /* _NTSDK */
#endif /* _CRTIMP */
/* Define __cdecl for non-Microsoft compilers */
#if ( !defined(_MSC_VER) && !defined(__cdecl) )
#define __cdecl
#endif
/*
* Define floating point IEEE compare result values.
*/
typedef enum {
_FpCompareEqual,
_FpCompareGreater,
_FpCompareLess,
_FpCompareUnordered
} _FPIEEE_COMPARE_RESULT;
/*
* Define floating point format and result precision values.
*/
typedef enum {
_FpFormatFp32,
_FpFormatFp64,
_FpFormatFp80,
_FpFormatFp128,
_FpFormatI16,
_FpFormatI32,
_FpFormatI64,
_FpFormatU16,
_FpFormatU32,
_FpFormatU64,
_FpFormatBcd80,
_FpFormatCompare,
_FpFormatString
} _FPIEEE_FORMAT;
/*
* Define operation code values.
*/
typedef enum {
_FpCodeUnspecified,
_FpCodeAdd,
_FpCodeSubtract,
_FpCodeMultiply,
_FpCodeDivide,
_FpCodeSquareRoot,
_FpCodeRemainder,
_FpCodeCompare,
_FpCodeConvert,
_FpCodeRound,
_FpCodeTruncate,
_FpCodeFloor,
_FpCodeCeil,
_FpCodeAcos,
_FpCodeAsin,
_FpCodeAtan,
_FpCodeAtan2,
_FpCodeCabs,
_FpCodeCos,
_FpCodeCosh,
_FpCodeExp,
_FpCodeFabs,
_FpCodeFmod,
_FpCodeFrexp,
_FpCodeHypot,
_FpCodeLdexp,
_FpCodeLog,
_FpCodeLog10,
_FpCodeModf,
_FpCodePow,
_FpCodeSin,
_FpCodeSinh,
_FpCodeTan,
_FpCodeTanh,
_FpCodeY0,
_FpCodeY1,
_FpCodeYn,
_FpCodeLogb,
_FpCodeNextafter,
_FpCodeNegate
} _FP_OPERATION_CODE;
#endif /* #ifndef __assembler */
/*
* Define rounding modes.
*/
#ifndef __assembler /* MIPS ONLY: Protect from assembler */
typedef enum {
_FpRoundNearest,
_FpRoundMinusInfinity,
_FpRoundPlusInfinity,
_FpRoundChopped
} _FPIEEE_ROUNDING_MODE;
typedef enum {
_FpPrecisionFull,
_FpPrecision53,
_FpPrecision24
} _FPIEEE_PRECISION;
/*
* Define floating point context record
*/
typedef float _FP32;
typedef double _FP64;
typedef short _I16;
typedef int _I32;
typedef unsigned short _U16;
typedef unsigned int _U32;
typedef struct {
unsigned short W[5];
} _FP80;
typedef struct {
unsigned long W[4];
} _FP128;
typedef struct {
unsigned long W[2];
} _I64;
typedef struct {
unsigned long W[2];
} _U64;
typedef struct {
unsigned short W[5];
} _BCD80;
typedef struct {
union {
_FP32 Fp32Value;
_FP64 Fp64Value;
_FP80 Fp80Value;
_FP128 Fp128Value;
_I16 I16Value;
_I32 I32Value;
_I64 I64Value;
_U16 U16Value;
_U32 U32Value;
_U64 U64Value;
_BCD80 Bcd80Value;
char *StringValue;
int CompareValue;
} Value;
unsigned int OperandValid : 1;
unsigned int Format : 4;
} _FPIEEE_VALUE;
typedef struct {
unsigned int Inexact : 1;
unsigned int Underflow : 1;
unsigned int Overflow : 1;
unsigned int ZeroDivide : 1;
unsigned int InvalidOperation : 1;
} _FPIEEE_EXCEPTION_FLAGS;
typedef struct {
unsigned int RoundingMode : 2;
unsigned int Precision : 3;
unsigned int Operation :12;
_FPIEEE_EXCEPTION_FLAGS Cause;
_FPIEEE_EXCEPTION_FLAGS Enable;
_FPIEEE_EXCEPTION_FLAGS Status;
_FPIEEE_VALUE Operand1;
_FPIEEE_VALUE Operand2;
_FPIEEE_VALUE Result;
} _FPIEEE_RECORD;
struct _EXCEPTION_POINTERS;
/*
* Floating point IEEE exception filter routine
*/
_CRTIMP int __cdecl _fpieee_flt(
unsigned long,
struct _EXCEPTION_POINTERS *,
int (__cdecl *)(_FPIEEE_RECORD *)
);
#ifdef __cplusplus
}
#endif
#ifdef _MSC_VER
#pragma pack(pop)
#endif /* _MSC_VER */
#endif /* #ifndef __assembler */
#endif /* _INC_FPIEEE */
