diff options
Diffstat (limited to 'lib/msun/src/e_log10.c')
| -rw-r--r-- | lib/msun/src/e_log10.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/msun/src/e_log10.c b/lib/msun/src/e_log10.c index 104d257..a795129 100644 --- a/lib/msun/src/e_log10.c +++ b/lib/msun/src/e_log10.c @@ -34,6 +34,7 @@ log10_2hi = 3.01029995663611771306e-01, /* 0x3FD34413, 0x509F6000 */ log10_2lo = 3.69423907715893078616e-13; /* 0x3D59FEF3, 0x11F12B36 */ static const double zero = 0.0; +static volatile double vzero = 0.0; double __ieee754_log10(double x) @@ -47,7 +48,7 @@ __ieee754_log10(double x) k=0; if (hx < 0x00100000) { /* x < 2**-1022 */ if (((hx&0x7fffffff)|lx)==0) - return -two54/zero; /* log(+-0)=-inf */ + return -two54/vzero; /* log(+-0)=-inf */ if (hx<0) return (x-x)/zero; /* log(-#) = NaN */ k -= 54; x *= two54; /* subnormal number, scale up x */ GET_HIGH_WORD(hx,x); |
