diff options
Diffstat (limited to 'sysdeps/generic/w_exp10.c')
| -rw-r--r-- | sysdeps/generic/w_exp10.c | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/sysdeps/generic/w_exp10.c b/sysdeps/generic/w_exp10.c index bf0d361f52..597506f22f 100644 --- a/sysdeps/generic/w_exp10.c +++ b/sysdeps/generic/w_exp10.c @@ -21,14 +21,6 @@ #include "math_private.h" #ifdef __STDC__ -static const double -#else -static double -#endif -o_threshold= 3.0825471555991674389672e+02, -u_threshold= -3.2360724533877978485251e+02; - -#ifdef __STDC__ double __exp10(double x) /* wrapper exp10 */ #else double __exp10(x) /* wrapper exp10 */ @@ -41,11 +33,9 @@ u_threshold= -3.2360724533877978485251e+02; double z; z = __ieee754_exp10(x); if(_LIB_VERSION == _IEEE_) return z; - if(__finite(x)) { - if(x>o_threshold) - return __kernel_standard(x,x,46); /* exp10 overflow */ - else if(x<u_threshold) - return __kernel_standard(x,x,47); /* exp10 underflow */ + if(!__finite(z) && __finite(x)) { + /* exp10 overflow (46) if x > 0, underflow (47) if x < 0. */ + return __kernel_standard(x,x,46+!!__signbit(x)); } return z; #endif |