diff options
Diffstat (limited to 'sysdeps/ieee754/flt-32/e_log10f.c')
| -rw-r--r-- | sysdeps/ieee754/flt-32/e_log10f.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sysdeps/ieee754/flt-32/e_log10f.c b/sysdeps/ieee754/flt-32/e_log10f.c index 96f0e81c52..2cd01b4a50 100644 --- a/sysdeps/ieee754/flt-32/e_log10f.c +++ b/sysdeps/ieee754/flt-32/e_log10f.c @@ -15,6 +15,7 @@ #include <math.h> #include <math_private.h> +#include <fix-int-fp-convert-zero.h> static const float two25 = 3.3554432000e+07, /* 0x4c000000 */ @@ -22,8 +23,6 @@ ivln10 = 4.3429449201e-01, /* 0x3ede5bd9 */ log10_2hi = 3.0102920532e-01, /* 0x3e9a2080 */ log10_2lo = 7.9034151668e-07; /* 0x355427db */ -static const float zero = 0.0; - float __ieee754_log10f(float x) { @@ -46,6 +45,8 @@ __ieee754_log10f(float x) i = ((u_int32_t)k&0x80000000)>>31; hx = (hx&0x007fffff)|((0x7f-i)<<23); y = (float)(k+i); + if (FIX_INT_FP_CONVERT_ZERO && y == 0.0f) + y = 0.0f; SET_FLOAT_WORD(x,hx); z = y*log10_2lo + ivln10*__ieee754_logf(x); return z+y*log10_2hi; |