fenv.c File Reference

#include <openlibm_fenv.h>

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Macros
#define	__fenv_static

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

Variables
const fenv_t	__fe_dfl_env = 0x00000000

Macro Definition Documentation

__fenv_static

#define __fenv_static

Function Documentation

feclearexcept()

int feclearexcept ( int  __excepts )

inline

References __fpscr::__bits, __cfc1, __ctc1, __fpscr::__d, __fldenv, __fnclex, __fnstenv, __HAS_SSE, __ldmxcsr, __mffs, __mtfsf, __rfs, __softfloat_float_exception_flags, fenv_t::__status, __stmxcsr, __wfs, _FCSR_CAUSE_SHIFT, _FPU_GETCW, _FPU_SETCW, FE_ALL_EXCEPT, FE_ALL_INVALID, and FE_INVALID.

fegetenv()

int fegetenv ( fenv_t *  __envp )

inline

References __fpscr::__bits, __cfc1, fenv_t::__control, __fpscr::__d, __fldcw, __fnstenv, __HAS_SSE, __mffs, fenv_t::__mxcsr, __rfs, __set_mxcsr, __softfloat_float_exception_flags, __softfloat_float_exception_mask, __softfloat_float_rounding_mode, __stmxcsr, fenv_t::__x87, and _FPU_GETCW.

Referenced by feholdexcept().

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fegetexceptflag()

int fegetexceptflag ( fexcept_t *  __flagp, int  __excepts  )

inline

References __fpscr::__bits, __cfc1, __fpscr::__d, __fnstsw, __HAS_SSE, __mffs, __rfs, __softfloat_float_exception_flags, __stmxcsr, _FPU_GETCW, and FE_ALL_EXCEPT.

fegetround()

int fegetround ( void  )

inline

References __fpscr::__bits, __cfc1, __fpscr::__d, __fnstcw, __mffs, __softfloat_float_rounding_mode, _FPU_GETCW, and _ROUND_MASK.

feholdexcept()

int feholdexcept ( fenv_t *  __envp )

inline

References __fpscr::__bits, __cfc1, __ctc1, __fpscr::__d, __fnclex, __fnstenv, __HAS_SSE, __ldmxcsr, __mffs, __mtfsf, fenv_t::__mxcsr, __rfs, __set_mxcsr, __softfloat_float_exception_flags, __softfloat_float_exception_mask, __stmxcsr, __wfs, fenv_t::__x87, _ENABLE_MASK, _FPU_GETCW, _FPU_SETCW, _SSE_EMASK_SHIFT, FE_ALL_EXCEPT, and fegetenv().

feraiseexcept()

int feraiseexcept ( int  __excepts )

inline

References __fpscr::__bits, __cfc1, __ctc1, __fpscr::__d, __fwait, __mffs, __mtfsf, __softfloat_float_raise(), _FCSR_CAUSE_SHIFT, _FPU_GETCW, _FPU_SETCW, FE_ALL_EXCEPT, FE_INVALID, FE_VXSOFT, and fesetexceptflag().

Referenced by feupdateenv().

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fesetenv()

int fesetenv ( const fenv_t *  __envp )

inline

References __fpscr::__bits, __ctc1, __fpscr::__d, __fldenvx, __get_mxcsr, __HAS_SSE, __ldmxcsr, __mtfsf, fenv_t::__mxcsr, __set_mxcsr, __softfloat_float_exception_flags, __softfloat_float_exception_mask, __softfloat_float_rounding_mode, __wfs, fenv_t::__x87, and _FPU_SETCW.

Referenced by feupdateenv().

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fesetexceptflag()

int fesetexceptflag ( const fexcept_t *  __flagp, int  __excepts  )

inline

References __fpscr::__bits, __cfc1, __ctc1, __fpscr::__d, __fldenv, __fnstenv, __HAS_SSE, __ldmxcsr, __mffs, __mtfsf, fenv_t::__mxcsr, __rfs, __softfloat_float_exception_flags, fenv_t::__status, __stmxcsr, __wfs, fenv_t::__x87, _FPU_GETCW, _FPU_SETCW, FE_ALL_EXCEPT, and FE_INVALID.

Referenced by feraiseexcept().

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fesetround()

int fesetround ( int  __round )

inline

References __fpscr::__bits, __cfc1, __ctc1, __fpscr::__d, __fldcw, __fnstcw, __HAS_SSE, __ldmxcsr, __mffs, __mtfsf, __softfloat_float_rounding_mode, __stmxcsr, _FPU_GETCW, _FPU_SETCW, _ROUND_MASK, and _SSE_ROUND_SHIFT.

fetestexcept()

int fetestexcept ( int  __excepts )

inline

References __fpscr::__bits, __cfc1, __fpscr::__d, __fnstsw, __HAS_SSE, __mffs, __rfs, __softfloat_float_exception_flags, __stmxcsr, _FPU_GETCW, and FE_ALL_EXCEPT.

feupdateenv()

int feupdateenv ( const fenv_t *  __envp )

inline

References __fpscr::__bits, __cfc1, __fpscr::__d, __fnstsw, __HAS_SSE, __mffs, __mtfsf, __rfs, __softfloat_float_exception_flags, __stmxcsr, __wfs, _FPU_GETCW, _FPU_SETCW, FE_ALL_EXCEPT, feraiseexcept(), and fesetenv().

Variable Documentation

__fe_dfl_env

const fenv_t __fe_dfl_env = 0x00000000