+++ /dev/null
-/*
- * float.h
- * This file has no copyright assigned and is placed in the Public Domain.
- * This file is a part of the mingw-runtime package.
- * No warranty is given; refer to the file DISCLAIMER within the package.
- *
- * Constants related to floating point arithmetic.
- *
- * Also included here are some non-ANSI bits for accessing the floating
- * point controller.
- *
- * NOTE: GCC provides float.h, but it doesn't include the non-standard
- * stuff for accessing the fp controller. We include_next the
- * GCC-supplied header and just define the MS-specific extensions
- * here.
- *
- */
-#ifdef __GNUC__
- #include_next <float.h>
-#endif
-#ifndef _MINGW_FLOAT_H_
-#define _MINGW_FLOAT_H_
-
-/* All the headers include this file. */
-#ifdef __GNUC__
- #include <_mingw.h>
-#endif
-/*
- * Functions and definitions for controlling the FPU.
- */
-#ifndef __STRICT_ANSI__
-
-/* TODO: These constants are only valid for x86 machines */
-
-/* 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
-
-/* These are also defined in Mingw math.h, needed to work around
- GCC build issues. */
-/* Return values for fpclass. */
-#ifndef __MINGW_FPCLASS_DEFINED
-#define __MINGW_FPCLASS_DEFINED 1
-#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 */
-#endif /* __MINGW_FPCLASS_DEFINED */
-
-/* _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_DENORMAL 0x00080000 /* denormal status bit */
-
-#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 */
-
-/* Floating point error signals and return codes */
-#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 /* raise( SIGFPE ); */
-
-#ifndef DBL_MAX_10_EXP
-#define DBL_MAX_10_EXP 308
-#endif
-#ifndef UINT64_MAX
-#define UINT64_MAX 0xffffffffffffffff
-#endif
-
-#ifndef RC_INVOKED
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#ifndef _CRTIMP
-#ifdef _DLL
-#define _CRTIMP __declspec(dllimport)
-#else
-#define _CRTIMP
-#endif /* _DLL */
-#endif
-
-/* Set the FPU control word as cw = (cw & ~unMask) | (unNew & unMask),
- * i.e. change the bits in unMask to have the values they have in unNew,
- * leaving other bits unchanged. */
-_CRTIMP unsigned int __cdecl _controlfp (unsigned int unNew, unsigned int unMask);
-_CRTIMP unsigned int __cdecl _control87 (unsigned int unNew, unsigned int unMask);
-
-
-_CRTIMP unsigned int __cdecl _clearfp (void); /* Clear the FPU status word */
-_CRTIMP unsigned int __cdecl _statusfp (void); /* Report the FPU status word */
-#define _clear87 _clearfp
-#define _status87 _statusfp
-
-
-/*
- MSVCRT.dll _fpreset initializes the control register to 0x27f,
- the status register to zero and the tag word to 0FFFFh.
- This differs from asm instruction finit/fninit which set control
- word to 0x37f (64 bit mantissa precison rather than 53 bit).
- By default, the mingw version of _fpreset sets fp control as
- per fninit. To use the MSVCRT.dll _fpreset, include CRT_fp8.o when
- building your application.
-*/
-void __cdecl _fpreset (void);
-void __cdecl fpreset (void);
-
-/* Global 'variable' for the current floating point error code. */
-_CRTIMP int * __cdecl __fpecode(void);
-#define _fpecode (*(__fpecode()))
-
-/*
- * IEEE recommended functions. MS puts them in float.h
- * but they really belong in math.h.
- */
-
-_CRTIMP double __cdecl _chgsign (double);
-_CRTIMP double __cdecl _copysign (double, double);
-_CRTIMP double __cdecl _logb (double);
-_CRTIMP double __cdecl _nextafter (double, double);
-_CRTIMP double __cdecl _scalb (double, long);
-
-_CRTIMP int __cdecl _finite (double);
-_CRTIMP int __cdecl _fpclass (double);
-_CRTIMP int __cdecl _isnan (double);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* Not RC_INVOKED */
-
-#endif /* Not __STRICT_ANSI__ */
-
-#endif /* _FLOAT_H_ */
-
-
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