mirror of
https://github.com/reactos/wine.git
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159 lines
4.9 KiB
C
159 lines
4.9 KiB
C
/*
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* Floating point arithmetic.
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*
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* Derived from the mingw header written by Colin Peters.
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* Modified for Wine use by Hans Leidekker.
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* This file is in the public domain.
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*/
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#ifndef __WINE_FLOAT_H
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#define __WINE_FLOAT_H
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#include <crtdefs.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define DBL_DIG 15
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#define DBL_EPSILON 2.2204460492503131e-016
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#define DBL_MANT_DIG 53
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#define DBL_MAX 1.7976931348623158e+308
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#define DBL_MAX_10_EXP 308
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#define DBL_MAX_EXP 1024
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#define DBL_MIN 2.2250738585072014e-308
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#define DBL_MIN_10_EXP (-307)
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#define DBL_MIN_EXP (-1021)
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#define _DBL_RADIX 2
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#define _DBL_ROUNDS 1
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#define DBL_RADIX _DBL_RADIX
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#define DBL_ROUNDS _DBL_ROUNDS
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#define FLT_DIG 6
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#define FLT_EPSILON 1.192092896e-07F
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#define FLT_MANT_DIG 24
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#define FLT_MAX 3.402823466e+38F
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#define FLT_MAX_10_EXP 38
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#define FLT_MAX_EXP 128
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#define FLT_MIN 1.175494351e-38F
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#define FLT_MIN_10_EXP (-37)
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#define FLT_MIN_EXP (-125)
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#define FLT_RADIX 2
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#define FLT_ROUNDS 1
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#define LDBL_DIG DBL_DIG
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#define LDBL_EPSILON DBL_EPSILON
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#define LDBL_MANT_DIG DBL_MANT_DIG
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#define LDBL_MAX DBL_MAX
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#define LDBL_MAX_10_EXP DBL_MAX_10_EXP
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#define LDBL_MAX_EXP DBL_MAX_EXP
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#define LDBL_MIN DBL_MIN
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#define LDBL_MIN_10_EXP DBL_MIN_10_EXP
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#define LDBL_MIN_EXP DBL_MIN_EXP
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#define _LDBL_RADIX _DBL_RADIX
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#define _LDBL_ROUNDS _DBL_ROUNDS
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#define LDBL_RADIX _LDBL_RADIX
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#define LDBL_ROUNDS _LDBL_ROUNDS
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/* Control word masks for unMask */
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#define _MCW_EM 0x0008001f
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#define _MCW_IC 0x00040000
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#define _MCW_RC 0x00000300
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#define _MCW_PC 0x00030000
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#define _MCW_DN 0x03000000
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/* Control word values for unNew (use with related unMask above) */
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#define _EM_INVALID 0x00000010
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#define _EM_DENORMAL 0x00080000
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#define _EM_ZERODIVIDE 0x00000008
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#define _EM_OVERFLOW 0x00000004
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#define _EM_UNDERFLOW 0x00000002
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#define _EM_INEXACT 0x00000001
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#define _IC_AFFINE 0x00040000
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#define _IC_PROJECTIVE 0x00000000
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#define _RC_CHOP 0x00000300
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#define _RC_UP 0x00000200
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#define _RC_DOWN 0x00000100
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#define _RC_NEAR 0x00000000
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#define _PC_24 0x00020000
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#define _PC_53 0x00010000
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#define _PC_64 0x00000000
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#define _DN_SAVE 0x00000000
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#define _DN_FLUSH 0x01000000
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#define _DN_FLUSH_OPERANDS_SAVE_RESULTS 0x02000000
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#define _DN_SAVE_OPERANDS_FLUSH_RESULTS 0x03000000
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#define _EM_AMBIGUOUS 0x80000000
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/* _statusfp bit flags */
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#define _SW_INEXACT 0x00000001 /* inexact (precision) */
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#define _SW_UNDERFLOW 0x00000002 /* underflow */
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#define _SW_OVERFLOW 0x00000004 /* overflow */
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#define _SW_ZERODIVIDE 0x00000008 /* zero divide */
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#define _SW_INVALID 0x00000010 /* invalid */
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#define _SW_UNEMULATED 0x00000040 /* unemulated instruction */
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#define _SW_SQRTNEG 0x00000080 /* square root of a neg number */
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#define _SW_STACKOVERFLOW 0x00000200 /* FP stack overflow */
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#define _SW_STACKUNDERFLOW 0x00000400 /* FP stack underflow */
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#define _SW_DENORMAL 0x00080000 /* denormal status bit */
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/* fpclass constants */
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#define _FPCLASS_SNAN 0x0001 /* Signaling "Not a Number" */
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#define _FPCLASS_QNAN 0x0002 /* Quiet "Not a Number" */
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#define _FPCLASS_NINF 0x0004 /* Negative Infinity */
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#define _FPCLASS_NN 0x0008 /* Negative Normal */
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#define _FPCLASS_ND 0x0010 /* Negative Denormal */
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#define _FPCLASS_NZ 0x0020 /* Negative Zero */
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#define _FPCLASS_PZ 0x0040 /* Positive Zero */
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#define _FPCLASS_PD 0x0080 /* Positive Denormal */
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#define _FPCLASS_PN 0x0100 /* Positive Normal */
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#define _FPCLASS_PINF 0x0200 /* Positive Infinity */
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/* floating point error signals */
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#define _FPE_INVALID 0x81
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#define _FPE_DENORMAL 0x82
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#define _FPE_ZERODIVIDE 0x83
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#define _FPE_OVERFLOW 0x84
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#define _FPE_UNDERFLOW 0x85
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#define _FPE_INEXACT 0x86
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#define _FPE_UNEMULATED 0x87
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#define _FPE_SQRTNEG 0x88
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#define _FPE_STACKOVERFLOW 0x8a
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#define _FPE_STACKUNDERFLOW 0x8b
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#define _FPE_EXPLICITGEN 0x8c
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#if defined(__i386__)
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#define _CW_DEFAULT (_RC_NEAR + _PC_53 + _EM_INVALID + _EM_ZERODIVIDE + _EM_OVERFLOW + _EM_UNDERFLOW + _EM_INEXACT + _EM_DENORMAL)
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#elif defined(__x86_64__)
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#define _CW_DEFAULT (_RC_NEAR + _PC_64 + _EM_INVALID + _EM_ZERODIVIDE + _EM_OVERFLOW + _EM_UNDERFLOW + _EM_INEXACT + _EM_DENORMAL)
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#endif
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unsigned int __cdecl _control87(unsigned int, unsigned int);
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unsigned int __cdecl _controlfp(unsigned int, unsigned int);
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errno_t __cdecl _controlfp_s(unsigned int *, unsigned int, unsigned int);
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double __cdecl _copysign (double, double);
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double __cdecl _chgsign (double);
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double __cdecl _scalb(double, __msvcrt_long);
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double __cdecl _logb(double);
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double __cdecl _nextafter(double, double);
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int __cdecl _finite(double);
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int __cdecl _isnan(double);
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int __cdecl _fpclass(double);
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#ifdef __x86_64__
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float __cdecl _scalbf(float, __msvcrt_long);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* __WINE_FLOAT_H */
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