diff options
Diffstat (limited to 'lib/msun/src/e_log10f.c')
| -rw-r--r-- | lib/msun/src/e_log10f.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/lib/msun/src/e_log10f.c b/lib/msun/src/e_log10f.c index 940b831..960b608 100644 --- a/lib/msun/src/e_log10f.c +++ b/lib/msun/src/e_log10f.c @@ -13,7 +13,7 @@ __FBSDID("$FreeBSD$"); /* - * Return the base 10 logarithm of x. See k_log.c for details on the algorithm. + * Float version of e_log10.c. See the latter for most comments. */ #include "math.h" @@ -37,14 +37,14 @@ __ieee754_log10f(float x) GET_FLOAT_WORD(hx,x); - k=0; - if (hx < 0x00800000) { /* x < 2**-126 */ - if ((hx&0x7fffffff)==0) - return -two25/zero; /* log(+-0)=-inf */ - if (hx<0) return (x-x)/zero; /* log(-#) = NaN */ - k -= 25; x *= two25; /* subnormal number, scale up x */ + k=0; + if (hx < 0x00800000) { /* x < 2**-126 */ + if ((hx&0x7fffffff)==0) + return -two25/zero; /* log(+-0)=-inf */ + if (hx<0) return (x-x)/zero; /* log(-#) = NaN */ + k -= 25; x *= two25; /* subnormal number, scale up x */ GET_FLOAT_WORD(hx,x); - } + } if (hx >= 0x7f800000) return x+x; k += (hx>>23)-127; hx &= 0x007fffff; |
