diff options
Diffstat (limited to 'sysdeps/libm-ieee754/s_log2.c')
| -rw-r--r-- | sysdeps/libm-ieee754/s_log2.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sysdeps/libm-ieee754/s_log2.c b/sysdeps/libm-ieee754/s_log2.c index 46b53cfeff..93c20b3db1 100644 --- a/sysdeps/libm-ieee754/s_log2.c +++ b/sysdeps/libm-ieee754/s_log2.c @@ -93,8 +93,8 @@ static double zero = 0.0; k=0; if (hx < 0x00100000) { /* x < 2**-1022 */ if (((hx&0x7fffffff)|lx)==0) - return -two54/zero; /* log(+-0)=-inf */ - if (hx<0) return (x-x)/zero; /* log(-#) = NaN */ + return -two54/(x-x); /* log(+-0)=-inf */ + if (hx<0) return (x-x)/(x-x); /* log(-#) = NaN */ k -= 54; x *= two54; /* subnormal number, scale up x */ GET_HIGH_WORD(hx,x); } |