Sweden-Number/include/msvcrt/float.h

144 lines
4.2 KiB
C

/*
* Floating point arithmetic.
*
* Derived from the mingw header written by Colin Peters.
* Modified for Wine use by Hans Leidekker.
* This file is in the public domain.
*/
#ifndef __WINE_FLOAT_H
#define __WINE_FLOAT_H
#ifndef __WINE_USE_MSVCRT
#define __WINE_USE_MSVCRT
#endif
#ifdef __cplusplus
extern "C" {
#endif
#define DBL_DIG 15
#define DBL_EPSILON 2.2204460492503131e-016
#define DBL_MANT_DIG 53
#define DBL_MAX 1.7976931348623158e+308
#define DBL_MAX_10_EXP 308
#define DBL_MAX_EXP 1024
#define DBL_MIN 2.2250738585072014e-308
#define DBL_MIN_10_EXP (-307)
#define DBL_MIN_EXP (-1021)
#define _DBL_RADIX 2
#define _DBL_ROUNDS 1
#define DBL_RADIX _DBL_RADIX
#define DBL_ROUNDS _DBL_ROUNDS
#define FLT_DIG 6
#define FLT_EPSILON 1.192092896e-07F
#define FLT_MANT_DIG 24
#define FLT_MAX 3.402823466e+38F
#define FLT_MAX_10_EXP 38
#define FLT_MAX_EXP 128
#define FLT_MIN 1.175494351e-38F
#define FLT_MIN_10_EXP (-37)
#define FLT_MIN_EXP (-125)
#define FLT_RADIX 2
#define FLT_ROUNDS 1
#define LDBL_DIG DBL_DIG
#define LDBL_EPSILON DBL_EPSILON
#define LDBL_MANT_DIG DBL_MANT_DIG
#define LDBL_MAX DBL_MAX
#define LDBL_MAX_10_EXP DBL_MAX_10_EXP
#define LDBL_MAX_EXP DBL_MAX_EXP
#define LDBL_MIN DBL_MIN
#define LDBL_MIN_10_EXP DBL_MIN_10_EXP
#define LDBL_MIN_EXP DBL_MIN_EXP
#define _LDBL_RADIX _DBL_RADIX
#define _LDBL_ROUNDS _DBL_ROUNDS
#define LDBL_RADIX _LDBL_RADIX
#define LDBL_ROUNDS _LDBL_ROUNDS
/* _controlfp masks and bitflags - x86 only so far */
#ifdef __i386__
/* Control word masks for unMask */
#define _MCW_EM 0x0008001F /* Error masks */
#define _MCW_IC 0x00040000 /* Infinity */
#define _MCW_RC 0x00000300 /* Rounding */
#define _MCW_PC 0x00030000 /* Precision */
/* Control word values for unNew (use with related unMask above) */
#define _EM_INVALID 0x00000010
#define _EM_DENORMAL 0x00080000
#define _EM_ZERODIVIDE 0x00000008
#define _EM_OVERFLOW 0x00000004
#define _EM_UNDERFLOW 0x00000002
#define _EM_INEXACT 0x00000001
#define _IC_AFFINE 0x00040000
#define _IC_PROJECTIVE 0x00000000
#define _RC_CHOP 0x00000300
#define _RC_UP 0x00000200
#define _RC_DOWN 0x00000100
#define _RC_NEAR 0x00000000
#define _PC_24 0x00020000
#define _PC_53 0x00010000
#define _PC_64 0x00000000
#endif
/* _statusfp bit flags */
#define _SW_INEXACT 0x00000001 /* inexact (precision) */
#define _SW_UNDERFLOW 0x00000002 /* underflow */
#define _SW_OVERFLOW 0x00000004 /* overflow */
#define _SW_ZERODIVIDE 0x00000008 /* zero divide */
#define _SW_INVALID 0x00000010 /* invalid */
#define _SW_UNEMULATED 0x00000040 /* unemulated instruction */
#define _SW_SQRTNEG 0x00000080 /* square root of a neg number */
#define _SW_STACKOVERFLOW 0x00000200 /* FP stack overflow */
#define _SW_STACKUNDERFLOW 0x00000400 /* FP stack underflow */
#define _SW_DENORMAL 0x00080000 /* denormal status bit */
/* fpclass constants */
#define _FPCLASS_SNAN 0x0001 /* Signaling "Not a Number" */
#define _FPCLASS_QNAN 0x0002 /* Quiet "Not a Number" */
#define _FPCLASS_NINF 0x0004 /* Negative Infinity */
#define _FPCLASS_NN 0x0008 /* Negative Normal */
#define _FPCLASS_ND 0x0010 /* Negative Denormal */
#define _FPCLASS_NZ 0x0020 /* Negative Zero */
#define _FPCLASS_PZ 0x0040 /* Positive Zero */
#define _FPCLASS_PD 0x0080 /* Positive Denormal */
#define _FPCLASS_PN 0x0100 /* Positive Normal */
#define _FPCLASS_PINF 0x0200 /* Positive Infinity */
/* floating point error signals */
#define _FPE_INVALID 0x81
#define _FPE_DENORMAL 0x82
#define _FPE_ZERODIVIDE 0x83
#define _FPE_OVERFLOW 0x84
#define _FPE_UNDERFLOW 0x85
#define _FPE_INEXACT 0x86
#define _FPE_UNEMULATED 0x87
#define _FPE_SQRTNEG 0x88
#define _FPE_STACKOVERFLOW 0x8a
#define _FPE_STACKUNDERFLOW 0x8b
#define _FPE_EXPLICITGEN 0x8c
double _copysign (double, double);
double _chgsign (double);
double _scalb(double, long);
double _logb(double);
double _nextafter(double, double);
int _finite(double);
int _isnan(double);
int _fpclass(double);
#ifdef __cplusplus
}
#endif
#endif /* __WINE_FLOAT_H */