diff options
Diffstat (limited to 'sysdeps/ieee754/flt-32/e_exp2f.c')
| -rw-r--r-- | sysdeps/ieee754/flt-32/e_exp2f.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/sysdeps/ieee754/flt-32/e_exp2f.c b/sysdeps/ieee754/flt-32/e_exp2f.c index 0703cea403..f07500d20d 100644 --- a/sysdeps/ieee754/flt-32/e_exp2f.c +++ b/sysdeps/ieee754/flt-32/e_exp2f.c @@ -57,11 +57,7 @@ __ieee754_exp2f (float x) union ieee754_float ex2_u, scale_u; fenv_t oldenv; - feholdexcept (&oldenv); -#ifdef FE_TONEAREST - /* If we don't have this, it's too bad. */ - fesetround (FE_TONEAREST); -#endif + libc_feholdexcept_setroundf (&oldenv, FE_TONEAREST); /* 1. Argument reduction. Choose integers ex, -128 <= t < 128, and some real @@ -104,7 +100,7 @@ __ieee754_exp2f (float x) x22 = (.24022656679f * x + .69314736128f) * ex2_u.f; /* 5. Return (2^x2-1) * 2^(t/512+e+ex) + 2^(t/512+e+ex). */ - fesetenv (&oldenv); + libc_fesetenv (&oldenv); result = x22 * x + ex2_u.f; @@ -116,7 +112,7 @@ __ieee754_exp2f (float x) /* Exceptional cases: */ else if (isless (x, himark)) { - if (__isinff (x)) + if (__isinf_nsf (x)) /* e^-inf == 0, with no error. */ return 0; else |