diff options
Diffstat (limited to 'sysdeps/generic/w_exp10f.c')
| -rw-r--r-- | sysdeps/generic/w_exp10f.c | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/sysdeps/generic/w_exp10f.c b/sysdeps/generic/w_exp10f.c index f78be7973b..1c510a3bfa 100644 --- a/sysdeps/generic/w_exp10f.c +++ b/sysdeps/generic/w_exp10f.c @@ -21,14 +21,6 @@ #include "math_private.h" #ifdef __STDC__ -static const float -#else -static float -#endif -o_threshold= 3.853183944498959298709e+01, -u_threshold= -4.515449934959717928174e+01; - -#ifdef __STDC__ float __exp10f(float x) /* wrapper exp10f */ #else float __exp10f(x) /* wrapper exp10f */ @@ -41,13 +33,10 @@ u_threshold= -4.515449934959717928174e+01; float z; z = __ieee754_exp10f(x); if(_LIB_VERSION == _IEEE_) return z; - if(__finitef(x)) { - if(x>o_threshold) - /* exp overflow */ - return (float)__kernel_standard((double)x,(double)x,146); - else if(x<u_threshold) - /* exp underflow */ - return (float)__kernel_standard((double)x,(double)x,147); + if(!__finitef(z) && __finitef(x)) { + /* exp10f overflow (146) if x > 0, underflow (147) if x < 0. */ + return (float)__kernel_standard((double) x, (double) x, + 146+!!__signbitf(x)); } return z; #endif |