107 lines
2.5 KiB
C
107 lines
2.5 KiB
C
#ifndef FENV_PRIVATE_H
|
|
#define FENV_PRIVATE_H 1
|
|
|
|
#include <fenv.h>
|
|
|
|
static __always_inline void
|
|
libc_feholdexcept (fenv_t *e)
|
|
{
|
|
fenv_t etmp;
|
|
__fenv_stfsr(etmp);
|
|
*(e) = etmp;
|
|
etmp = etmp & ~((0x1f << 23) | FE_ALL_EXCEPT);
|
|
__fenv_ldfsr(etmp);
|
|
}
|
|
|
|
static __always_inline void
|
|
libc_feholdexcept_setround (fenv_t *e, int r)
|
|
{
|
|
fenv_t etmp;
|
|
__fenv_stfsr(etmp);
|
|
*(e) = etmp;
|
|
etmp = etmp & ~((0x1f << 23) | FE_ALL_EXCEPT);
|
|
etmp = (etmp & ~__FE_ROUND_MASK) | (r);
|
|
__fenv_ldfsr(etmp);
|
|
}
|
|
|
|
static __always_inline int
|
|
libc_fetestexcept (int e)
|
|
{
|
|
fenv_t etmp;
|
|
__fenv_stfsr(etmp);
|
|
return etmp & (e) & FE_ALL_EXCEPT;
|
|
}
|
|
|
|
static __always_inline void
|
|
libc_fesetenv (fenv_t *e)
|
|
{
|
|
__fenv_ldfsr(*e);
|
|
}
|
|
|
|
static __always_inline int
|
|
libc_feupdateenv_test (fenv_t *e, int ex)
|
|
{
|
|
fenv_t etmp;
|
|
|
|
__fenv_stfsr(etmp);
|
|
etmp &= FE_ALL_EXCEPT;
|
|
|
|
__fenv_ldfsr(*e);
|
|
|
|
__feraiseexcept (etmp);
|
|
|
|
return etmp & ex;
|
|
}
|
|
|
|
static __always_inline void
|
|
libc_feupdateenv (fenv_t *e)
|
|
{
|
|
libc_feupdateenv_test (e, 0);
|
|
}
|
|
|
|
static __always_inline void
|
|
libc_feholdsetround (fenv_t *e, int r)
|
|
{
|
|
fenv_t etmp;
|
|
__fenv_stfsr(etmp);
|
|
*(e) = etmp;
|
|
etmp = (etmp & ~__FE_ROUND_MASK) | (r);
|
|
__fenv_ldfsr(etmp);
|
|
}
|
|
|
|
static __always_inline void
|
|
libc_feresetround (fenv_t *e)
|
|
{
|
|
fenv_t etmp;
|
|
__fenv_stfsr(etmp);
|
|
etmp = (etmp & ~__FE_ROUND_MASK) | (*e & __FE_ROUND_MASK);
|
|
__fenv_ldfsr(etmp);
|
|
}
|
|
|
|
#define libc_feholdexceptf libc_feholdexcept
|
|
#define libc_feholdexcept_setroundf libc_feholdexcept_setround
|
|
#define libc_fetestexceptf libc_fetestexcept
|
|
#define libc_fesetenvf libc_fesetenv
|
|
#define libc_feupdateenv_testf libc_feupdateenv_test
|
|
#define libc_feupdateenvf libc_feupdateenv
|
|
#define libc_feholdsetroundf libc_feholdsetround
|
|
#define libc_feresetroundf libc_feresetround
|
|
#define libc_feholdexcept libc_feholdexcept
|
|
#define libc_feholdexcept_setround libc_feholdexcept_setround
|
|
#define libc_fetestexcept libc_fetestexcept
|
|
#define libc_fesetenv libc_fesetenv
|
|
#define libc_feupdateenv_test libc_feupdateenv_test
|
|
#define libc_feupdateenv libc_feupdateenv
|
|
#define libc_feholdsetround libc_feholdsetround
|
|
#define libc_feresetround libc_feresetround
|
|
#define libc_feholdexceptl libc_feholdexcept
|
|
#define libc_feholdexcept_setroundl libc_feholdexcept_setround
|
|
#define libc_fetestexceptl libc_fetestexcept
|
|
#define libc_fesetenvl libc_fesetenv
|
|
#define libc_feupdateenv_testl libc_feupdateenv_test
|
|
#define libc_feupdateenvl libc_feupdateenv
|
|
#define libc_feholdsetroundl libc_feholdsetround
|
|
#define libc_feresetroundl libc_feresetround
|
|
|
|
#endif /* FENV_PRIVATE_H */
|