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/*** |
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*fpieee.h - Definitions for floating point IEEE exception handling |
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* |
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* Copyright (c) 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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#pragma once |
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#ifndef __midl |
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#ifndef _INC_FPIEEE |
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#define _INC_FPIEEE |
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#if defined(_M_CEE_PURE) |
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#error ERROR: This file is not supported in the pure mode! |
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#else |
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#include <crtdefs.h> |
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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,_CRT_PACKING) |
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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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/* |
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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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_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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_XMMIAddsubps, /* XMMI for PNI */ |
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_XMMIHaddps, /* XMMI for PNI */ |
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_XMMIHsubps, /* XMMI for PNI */ |
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_XMMIRoundps, /* 66 0F 3A 08 */ |
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_XMMIRoundss, /* 66 0F 3A 0A */ |
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_XMMIDpps, /* 66 0F 3A 40 */ |
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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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_XMMI2Addsubpd, /* 66 0F D0 */ |
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_XMMI2Haddpd, /* 66 0F 7C */ |
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_XMMI2Hsubpd, /* 66 0F 7D */ |
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_XMMI2Roundpd, /* 66 0F 3A 09 */ |
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_XMMI2Roundsd, /* 66 0F 3A 0B */ |
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_XMMI2Dppd, /* 66 0F 3A 41 */ |
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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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_CRT_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 _CRT_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 _CRT_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 _CRT_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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_CRT_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 _CRT_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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_In_ unsigned long _ExceptionCode, |
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_In_ struct _EXCEPTION_POINTERS * _PtExceptionPtr, |
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_In_ int (__cdecl * _Handler)(_FPIEEE_RECORD *) |
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); |
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#ifdef __cplusplus |
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} |
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#endif /* __cplusplus */ |
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#if _MSC_VER >= 1400 && defined(__cplusplus) && defined(_M_CEE) |
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_MRTIMP int __cdecl _fpieee_flt( |
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_In_ unsigned long _ExceptionCode, |
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_In_ struct _EXCEPTION_POINTERS * _PtExceptionPtr, |
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_In_ int (__clrcall * _Handler)(_FPIEEE_RECORD *) |
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); |
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#endif /* _MSC_VER >= 1400 && defined(__cplusplus) && defined(_M_CEE) */ |
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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 /* defined(_M_CEE_PURE) */ |
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#endif |
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#endif |
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