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362 lines
7.1 KiB
362 lines
7.1 KiB
/***
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*fpieee.h - Definitions for floating point IEEE exception handling
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*
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* Copyright (c) 1991-2001, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* This file contains constant and type definitions for handling
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* floating point exceptions [ANSI/IEEE std. 754]
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*
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* [Public]
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*
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****/
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#if _MSC_VER > 1000
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#pragma once
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#endif
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#ifndef _INC_FPIEEE
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#define _INC_FPIEEE
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#if !defined(_WIN32)
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#error ERROR: Only Win32 target supported!
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#endif
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#ifndef __assembler /* MIPS ONLY: Protect from assembler */
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#ifdef _MSC_VER
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/*
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* Currently, all MS C compilers for Win32 platforms default to 8 byte
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* alignment.
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*/
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#pragma pack(push,8)
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/* Disable C4324: structure was padded due to __declspec(align()) */
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#pragma warning(push)
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#pragma warning(disable: 4324)
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#endif /* _MSC_VER */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Define _CRTIMP */
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#ifndef _CRTIMP
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#ifdef _DLL
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#define _CRTIMP __declspec(dllimport)
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#else /* ndef _DLL */
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#define _CRTIMP
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#endif /* _DLL */
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#endif /* _CRTIMP */
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/* Define __cdecl for non-Microsoft compilers */
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#if ( !defined(_MSC_VER) && !defined(__cdecl) )
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#define __cdecl
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#endif
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/*
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* Define floating point IEEE compare result values.
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*/
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typedef enum {
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_FpCompareEqual,
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_FpCompareGreater,
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_FpCompareLess,
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_FpCompareUnordered
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} _FPIEEE_COMPARE_RESULT;
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/*
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* Define floating point format and result precision values.
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*/
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typedef enum {
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_FpFormatFp32,
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_FpFormatFp64,
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_FpFormatFp80,
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_FpFormatFp128,
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_FpFormatI16,
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_FpFormatI32,
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_FpFormatI64,
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_FpFormatU16,
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_FpFormatU32,
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_FpFormatU64,
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_FpFormatBcd80,
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_FpFormatCompare,
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_FpFormatString,
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#if defined(_M_IA64)
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_FpFormatFp82
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#endif
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} _FPIEEE_FORMAT;
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/*
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* Define operation code values.
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*/
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typedef enum {
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_FpCodeUnspecified,
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_FpCodeAdd,
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_FpCodeSubtract,
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_FpCodeMultiply,
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_FpCodeDivide,
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_FpCodeSquareRoot,
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_FpCodeRemainder,
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_FpCodeCompare,
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_FpCodeConvert,
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_FpCodeRound,
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_FpCodeTruncate,
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_FpCodeFloor,
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_FpCodeCeil,
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_FpCodeAcos,
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_FpCodeAsin,
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_FpCodeAtan,
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_FpCodeAtan2,
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_FpCodeCabs,
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_FpCodeCos,
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_FpCodeCosh,
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_FpCodeExp,
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_FpCodeFabs,
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_FpCodeFmod,
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_FpCodeFrexp,
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_FpCodeHypot,
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_FpCodeLdexp,
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_FpCodeLog,
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_FpCodeLog10,
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_FpCodeModf,
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_FpCodePow,
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_FpCodeSin,
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_FpCodeSinh,
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_FpCodeTan,
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_FpCodeTanh,
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_FpCodeY0,
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_FpCodeY1,
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_FpCodeYn,
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_FpCodeLogb,
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_FpCodeNextafter,
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_FpCodeNegate,
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_FpCodeFmin, /* XMMI */
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_FpCodeFmax, /* XMMI */
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_FpCodeConvertTrunc, /* XMMI */
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_XMMIAddps, /* XMMI */
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_XMMIAddss,
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_XMMISubps,
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_XMMISubss,
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_XMMIMulps,
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_XMMIMulss,
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_XMMIDivps,
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_XMMIDivss,
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_XMMISqrtps,
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_XMMISqrtss,
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_XMMIMaxps,
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_XMMIMaxss,
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_XMMIMinps,
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_XMMIMinss,
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_XMMICmpps,
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_XMMICmpss,
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_XMMIComiss,
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_XMMIUComiss,
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_XMMICvtpi2ps,
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_XMMICvtsi2ss,
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_XMMICvtps2pi,
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_XMMICvtss2si,
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_XMMICvttps2pi,
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_XMMICvttss2si,
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_XMMI2Addpd, /* XMMI2 */
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_XMMI2Addsd,
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_XMMI2Subpd,
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_XMMI2Subsd,
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_XMMI2Mulpd,
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_XMMI2Mulsd,
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_XMMI2Divpd,
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_XMMI2Divsd,
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_XMMI2Sqrtpd,
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_XMMI2Sqrtsd,
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_XMMI2Maxpd,
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_XMMI2Maxsd,
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_XMMI2Minpd,
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_XMMI2Minsd,
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_XMMI2Cmppd,
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_XMMI2Cmpsd,
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_XMMI2Comisd,
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_XMMI2UComisd,
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_XMMI2Cvtpd2pi, /* 66 2D */
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_XMMI2Cvtsd2si, /* F2 */
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_XMMI2Cvttpd2pi, /* 66 2C */
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_XMMI2Cvttsd2si, /* F2 */
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_XMMI2Cvtps2pd, /* 0F 5A */
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_XMMI2Cvtss2sd, /* F3 */
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_XMMI2Cvtpd2ps, /* 66 */
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_XMMI2Cvtsd2ss, /* F2 */
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_XMMI2Cvtdq2ps, /* 0F 5B */
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_XMMI2Cvttps2dq, /* F3 */
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_XMMI2Cvtps2dq, /* 66 */
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_XMMI2Cvttpd2dq, /* 66 0F E6 */
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_XMMI2Cvtpd2dq, /* F2 */
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#if defined(_M_IA64)
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_FpCodeFma,
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_FpCodeFmaSingle,
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_FpCodeFmaDouble,
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_FpCodeFms,
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_FpCodeFmsSingle,
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_FpCodeFmsDouble,
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_FpCodeFnma,
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_FpCodeFnmaSingle,
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_FpCodeFnmaDouble,
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_FpCodeFamin,
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_FpCodeFamax
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#endif
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} _FP_OPERATION_CODE;
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#endif /* #ifndef __assembler */
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/*
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* Define rounding modes.
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*/
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#ifndef __assembler /* MIPS ONLY: Protect from assembler */
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typedef enum {
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_FpRoundNearest,
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_FpRoundMinusInfinity,
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_FpRoundPlusInfinity,
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_FpRoundChopped
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} _FPIEEE_ROUNDING_MODE;
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typedef enum {
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_FpPrecisionFull,
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_FpPrecision53,
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_FpPrecision24,
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#if defined(_M_IA64)
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_FpPrecision64,
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_FpPrecision113
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#endif
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} _FPIEEE_PRECISION;
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/*
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* Define floating point context record
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*/
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typedef float _FP32;
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typedef double _FP64;
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typedef short _I16;
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typedef int _I32;
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typedef unsigned short _U16;
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typedef unsigned int _U32;
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typedef __int64 _Q64;
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typedef struct
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#if defined(_M_IA64)
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__declspec(align(16))
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#endif
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{
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unsigned short W[5];
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} _FP80;
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typedef struct __declspec(align(16))
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{
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unsigned long W[4];
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} _FP128;
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typedef struct __declspec(align(8))
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{
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unsigned long W[2];
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} _I64;
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typedef struct __declspec(align(8))
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{
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unsigned long W[2];
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} _U64;
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typedef struct
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#if defined(_M_IA64)
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__declspec(align(16))
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#endif
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{
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unsigned short W[5];
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} _BCD80;
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typedef struct __declspec(align(16))
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{
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_Q64 W[2];
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} _FPQ64;
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typedef struct {
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union {
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_FP32 Fp32Value;
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_FP64 Fp64Value;
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_FP80 Fp80Value;
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_FP128 Fp128Value;
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_I16 I16Value;
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_I32 I32Value;
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_I64 I64Value;
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_U16 U16Value;
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_U32 U32Value;
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_U64 U64Value;
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_BCD80 Bcd80Value;
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char *StringValue;
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int CompareValue;
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_Q64 Q64Value;
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_FPQ64 Fpq64Value;
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} Value;
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unsigned int OperandValid : 1;
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unsigned int Format : 4;
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} _FPIEEE_VALUE;
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typedef struct {
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unsigned int Inexact : 1;
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unsigned int Underflow : 1;
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unsigned int Overflow : 1;
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unsigned int ZeroDivide : 1;
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unsigned int InvalidOperation : 1;
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} _FPIEEE_EXCEPTION_FLAGS;
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typedef struct {
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unsigned int RoundingMode : 2;
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unsigned int Precision : 3;
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unsigned int Operation :12;
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_FPIEEE_EXCEPTION_FLAGS Cause;
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_FPIEEE_EXCEPTION_FLAGS Enable;
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_FPIEEE_EXCEPTION_FLAGS Status;
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_FPIEEE_VALUE Operand1;
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_FPIEEE_VALUE Operand2;
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_FPIEEE_VALUE Result;
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#if defined(_M_IA64)
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_FPIEEE_VALUE Operand3;
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#endif
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} _FPIEEE_RECORD, *_PFPIEEE_RECORD;
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struct _EXCEPTION_POINTERS;
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/*
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* Floating point IEEE exception filter routine
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*/
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_CRTIMP int __cdecl _fpieee_flt(
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unsigned long,
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struct _EXCEPTION_POINTERS *,
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int (__cdecl *)(_FPIEEE_RECORD *)
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);
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#ifdef __cplusplus
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}
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#endif
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#ifdef _MSC_VER
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#pragma warning(pop)
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#pragma pack(pop)
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#endif /* _MSC_VER */
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#endif /* #ifndef __assembler */
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#endif /* _INC_FPIEEE */
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