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| author | Ulrich Drepper <drepper@gmail.com> | 2011-10-18 15:11:31 -0400 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2011-10-18 15:11:31 -0400 |
| commit | d9a8d0abcc976f7ffe319a376ddd3497486e9726 (patch) | |
| tree | 8bf41c5c082f4154657e72955711a73dff64dbea /sysdeps/ieee754/flt-32/e_expf.c | |
| parent | 4855e3ddf5061dd8ddcefafc7185f6f70937434b (diff) | |
| download | glibc-d9a8d0abcc976f7ffe319a376ddd3497486e9726.tar.gz | |
Use new internal libc_fe* interfaces in more functions
Diffstat (limited to 'sysdeps/ieee754/flt-32/e_expf.c')
| -rw-r--r-- | sysdeps/ieee754/flt-32/e_expf.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/sysdeps/ieee754/flt-32/e_expf.c b/sysdeps/ieee754/flt-32/e_expf.c index 872d34bc5b..02105c4385 100644 --- a/sysdeps/ieee754/flt-32/e_expf.c +++ b/sysdeps/ieee754/flt-32/e_expf.c @@ -47,9 +47,6 @@ to perform an 'accurate table method' expf, because of the range reduction overhead (compare exp2f). */ -#ifndef _GNU_SOURCE -#define _GNU_SOURCE -#endif #include <float.h> #include <ieee754.h> #include <math.h> @@ -60,8 +57,8 @@ extern const float __exp_deltatable[178]; extern const double __exp_atable[355] /* __attribute__((mode(DF))) */; -static const volatile float TWOM100 = 7.88860905e-31; -static const volatile float TWO127 = 1.7014118346e+38; +static const float TWOM100 = 7.88860905e-31; +static const float TWO127 = 1.7014118346e+38; float __ieee754_expf (float x) @@ -86,10 +83,7 @@ __ieee754_expf (float x) union ieee754_double ex2_u; fenv_t oldenv; - feholdexcept (&oldenv); -#ifdef FE_TONEAREST - fesetround (FE_TONEAREST); -#endif + libc_feholdexcept_setroundf (&oldenv, FE_TONEAREST); /* Calculate n. */ n = x * M_1_LN2 + THREEp22; @@ -119,7 +113,7 @@ __ieee754_expf (float x) x22 = (0.5000000496709180453 * dx + 1.0000001192102037084) * dx + delta; /* Return result. */ - fesetenv (&oldenv); + libc_fesetenvf (&oldenv); result = x22 * ex2_u.d + ex2_u.d; return (float) result; |