openlibm_fenv_s390.h File Reference

#include <sys/types.h>

Macros
#define	__fenv_static   static
#define	FE_INEXACT   0x080000
#define	FE_UNDERFLOW   0x100000
#define	FE_OVERFLOW   0x200000
#define	FE_DIVBYZERO   0x400000
#define	FE_INVALID   0x800000 /* all types of invalid FP ops */
#define	FE_ALL_EXCEPT   (FE_INVALID | FE_DIVBYZERO | FE_INEXACT | FE_OVERFLOW | FE_UNDERFLOW)
#define	FE_TONEAREST   0x0000
#define	FE_TOWARDZERO   0x0001
#define	FE_UPWARD   0x0002
#define	FE_DOWNWARD   0x0003
#define	_ROUND_MASK
#define	FE_DFL_ENV   (&__fe_dfl_env)
#define	_FPC_EXC_MASK_SHIFT   8
#define	_ENABLE_MASK
#define	_FPU_GETCW(cw)   __asm__ __volatile__ ("efpc %0,0" : "=d" (cw))
#define	_FPU_SETCW(cw)   __asm__ __volatile__ ("sfpc %0,0" : : "d" (cw))

Typedefs
typedef __uint32_t	fenv_t
typedef __uint32_t	fexcept_t

Functions
__fenv_static int	feclearexcept (int __excepts)
__fenv_static int	fegetexceptflag (fexcept_t *__flagp, int __excepts)
__fenv_static int	fesetexceptflag (const fexcept_t *__flagp, int __excepts)
__fenv_static int	feraiseexcept (int __excepts)
__fenv_static int	fetestexcept (int __excepts)
__fenv_static int	fegetround (void)
__fenv_static int	fesetround (int __round)
__fenv_static int	fegetenv (fenv_t *__envp)
__fenv_static int	feholdexcept (fenv_t *__envp)
__fenv_static int	fesetenv (const fenv_t *__envp)
__fenv_static int	feupdateenv (const fenv_t *__envp)

Variables
__BEGIN_DECLS const fenv_t	__fe_dfl_env

Macro Definition Documentation

__fenv_static

#define __fenv_static   static

_ENABLE_MASK

#define _ENABLE_MASK

Value:

             ((FE_DIVBYZERO | FE_INEXACT | FE_INVALID | \
             FE_OVERFLOW | FE_UNDERFLOW) << _FPC_EXC_MASK_SHIFT)

_FPC_EXC_MASK_SHIFT

#define _FPC_EXC_MASK_SHIFT   8

_FPU_GETCW

#define _FPU_GETCW

(

cw

)

__asm__ __volatile__ ("efpc %0,0" : "=d" (cw))

_FPU_SETCW

#define _FPU_SETCW

(

cw

)

__asm__ __volatile__ ("sfpc %0,0" : : "d" (cw))

_ROUND_MASK

#define _ROUND_MASK

Value:

             (FE_TONEAREST | FE_DOWNWARD | \
             FE_UPWARD | FE_TOWARDZERO)

FE_ALL_EXCEPT

#define FE_ALL_EXCEPT   (FE_INVALID | FE_DIVBYZERO | FE_INEXACT | FE_OVERFLOW | FE_UNDERFLOW)

FE_DFL_ENV

#define FE_DFL_ENV   (&__fe_dfl_env)

FE_DIVBYZERO

#define FE_DIVBYZERO   0x400000

FE_DOWNWARD

#define FE_DOWNWARD   0x0003

FE_INEXACT

#define FE_INEXACT   0x080000

FE_INVALID

#define FE_INVALID   0x800000 /* all types of invalid FP ops */

FE_OVERFLOW

#define FE_OVERFLOW   0x200000

FE_TONEAREST

#define FE_TONEAREST   0x0000

FE_TOWARDZERO

#define FE_TOWARDZERO   0x0001

FE_UNDERFLOW

#define FE_UNDERFLOW   0x100000

FE_UPWARD

#define FE_UPWARD   0x0002

Typedef Documentation

fenv_t

typedef __uint32_t fenv_t

fexcept_t

typedef __uint32_t fexcept_t

Function Documentation

feclearexcept()

__fenv_static int feclearexcept ( int  __excepts )

inline

fegetenv()

__fenv_static int fegetenv ( fenv_t *  __envp )

inline

fegetexceptflag()

__fenv_static int fegetexceptflag ( fexcept_t *  __flagp, int  __excepts  )

inline

fegetround()

__fenv_static int fegetround ( void  )

inline

feholdexcept()

__fenv_static int feholdexcept ( fenv_t *  __envp )

inline

feraiseexcept()

__fenv_static int feraiseexcept ( int  __excepts )

inline

fesetenv()

__fenv_static int fesetenv ( const fenv_t *  __envp )

inline

fesetexceptflag()

__fenv_static int fesetexceptflag ( const fexcept_t *  __flagp, int  __excepts  )

inline

fesetround()

__fenv_static int fesetround ( int  __round )

inline

fetestexcept()

__fenv_static int fetestexcept ( int  __excepts )

inline

feupdateenv()

__fenv_static int feupdateenv ( const fenv_t *  __envp )

inline

Variable Documentation

__fe_dfl_env

__BEGIN_DECLS const fenv_t __fe_dfl_env

extern