diff options
Diffstat (limited to 'sysdeps/ieee754/flt-32/e_powf.c')
| -rw-r--r-- | sysdeps/ieee754/flt-32/e_powf.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sysdeps/ieee754/flt-32/e_powf.c b/sysdeps/ieee754/flt-32/e_powf.c index 8e8d918456..18042960c2 100644 --- a/sysdeps/ieee754/flt-32/e_powf.c +++ b/sysdeps/ieee754/flt-32/e_powf.c @@ -244,7 +244,12 @@ __ieee754_powf(float x, float y) z = one-(r-z); GET_FLOAT_WORD(j,z); j += (n<<23); - if((j>>23)<=0) z = __scalbnf(z,n); /* subnormal output */ + if((j>>23)<=0) /* subnormal output */ + { + z = __scalbnf (z, n); + float force_underflow = z * z; + math_force_eval (force_underflow); + } else SET_FLOAT_WORD(z,j); return s*z; } |