fenv.h File Reference

Go to the source code of this file.

Classes
struct	fenv_t

Macros
#define	FE_INVALID   0x01
#define	FE_DENORMAL   0x02
#define	FE_DIVBYZERO   0x04
#define	FE_OVERFLOW   0x08
#define	FE_UNDERFLOW   0x10
#define	FE_INEXACT   0x20
#define	FE_ALL_EXCEPT
#define	FE_TONEAREST   0x0000
#define	FE_DOWNWARD   0x0400
#define	FE_UPWARD   0x0800
#define	FE_TOWARDZERO   0x0c00
#define	__MXCSR_EXCEPT_FLAG_SHIFT   0
#define	__MXCSR_ROUND_FLAG_SHIFT   3
#define	FE_PC64_ENV   ((const fenv_t *)-1)
#define	FE_PC53_ENV   ((const fenv_t *)-2)
#define	FE_DFL_ENV   ((const fenv_t *) 0)

Typedefs
typedef unsigned short	fexcept_t

Functions
int __cdecl	feclearexcept (int)
int __cdecl	fegetexceptflag (fexcept_t *flagp, int excepts)
int __cdecl	feraiseexcept (int excepts)
int __cdecl	fesetexceptflag (const fexcept_t *, int)
int __cdecl	fetestexcept (int excepts)
int __cdecl	fegetround (void)
int __cdecl	fesetround (int mode)
int __cdecl	fegetenv (fenv_t *envp)
int __cdecl	fesetenv (const fenv_t *)
int __cdecl	feupdateenv (const fenv_t *)
int __cdecl	feholdexcept (fenv_t *)

Macro Definition Documentation

__MXCSR_EXCEPT_FLAG_SHIFT

#define __MXCSR_EXCEPT_FLAG_SHIFT   0

Definition at line 27 of file fenv.h.

__MXCSR_ROUND_FLAG_SHIFT

#define __MXCSR_ROUND_FLAG_SHIFT   3

Definition at line 31 of file fenv.h.

FE_ALL_EXCEPT

#define FE_ALL_EXCEPT

Value:

               (FE_INVALID | FE_DENORMAL | FE_DIVBYZERO \
               | FE_OVERFLOW | FE_UNDERFLOW | FE_INEXACT)

Definition at line 16 of file fenv.h.

FE_DENORMAL

#define FE_DENORMAL   0x02

Definition at line 11 of file fenv.h.

FE_DFL_ENV

#define FE_DFL_ENV   ((const fenv_t *) 0)

Definition at line 74 of file fenv.h.

FE_DIVBYZERO

#define FE_DIVBYZERO   0x04

Definition at line 12 of file fenv.h.

FE_DOWNWARD

#define FE_DOWNWARD   0x0400

Definition at line 21 of file fenv.h.

FE_INEXACT

#define FE_INEXACT   0x20

Definition at line 15 of file fenv.h.

FE_INVALID

#define FE_INVALID   0x01

This file has no copyright assigned and is placed in the Public Domain. This file is part of the w64 mingw-runtime package. No warranty is given; refer to the file DISCLAIMER within this package.

Definition at line 10 of file fenv.h.

FE_OVERFLOW

#define FE_OVERFLOW   0x08

Definition at line 13 of file fenv.h.

FE_PC53_ENV

#define FE_PC53_ENV   ((const fenv_t *)-2)

Definition at line 70 of file fenv.h.

FE_PC64_ENV

#define FE_PC64_ENV   ((const fenv_t *)-1)

Definition at line 67 of file fenv.h.

FE_TONEAREST

#define FE_TONEAREST   0x0000

Definition at line 20 of file fenv.h.

FE_TOWARDZERO

#define FE_TOWARDZERO   0x0c00

Definition at line 23 of file fenv.h.

FE_UNDERFLOW

#define FE_UNDERFLOW   0x10

Definition at line 14 of file fenv.h.

FE_UPWARD

#define FE_UPWARD   0x0800

Definition at line 22 of file fenv.h.

Typedef Documentation

fexcept_t

typedef unsigned short fexcept_t

Definition at line 39 of file fenv.h.

Function Documentation

feclearexcept()

int __cdecl feclearexcept

(

int

)

fegetenv()

int __cdecl fegetenv

(

fenv_t *

envp

)

Referenced by anonymous_namespace{cfout.cpp}::scoped_fp_state_reset::scoped_fp_state_reset().

fegetexceptflag()

int __cdecl fegetexceptflag	(	fexcept_t *	flagp,
		int	excepts
	)

fegetround()

int __cdecl fegetround

(

void

)

Referenced by __crt_strtox::should_round_up(), and should_round_up().

feholdexcept()

int __cdecl feholdexcept

(

fenv_t *

)

Referenced by anonymous_namespace{cfout.cpp}::scoped_fp_state_reset::scoped_fp_state_reset().

feraiseexcept()

int __cdecl feraiseexcept

(

int

excepts

)

fesetenv()

int __cdecl fesetenv

(

const fenv_t *

)

Referenced by anonymous_namespace{cfout.cpp}::scoped_fp_state_reset::~scoped_fp_state_reset().

fesetexceptflag()

int __cdecl fesetexceptflag	(	const fexcept_t *	,
		int
	)

fesetround()

int __cdecl fesetround

(

int

mode

)

fetestexcept()

int __cdecl fetestexcept

(

int

excepts

)

feupdateenv()

int __cdecl feupdateenv

(

const fenv_t *

)