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Diffstat (limited to 'sysdeps/ieee754/flt-32/w_expf.c')
-rw-r--r--sysdeps/ieee754/flt-32/w_expf.c21
1 files changed, 5 insertions, 16 deletions
diff --git a/sysdeps/ieee754/flt-32/w_expf.c b/sysdeps/ieee754/flt-32/w_expf.c
index bc3b2f6790..bfef9e4d24 100644
--- a/sysdeps/ieee754/flt-32/w_expf.c
+++ b/sysdeps/ieee754/flt-32/w_expf.c
@@ -19,27 +19,16 @@
#include <math.h>
#include <math_private.h>
-static const float
-o_threshold= 8.8722831726e+01, /* 0x42b17217 */
-u_threshold= -1.0397208405e+02; /* 0xc2cff1b5 */
-
-
/* wrapper expf */
float
__expf (float x)
{
- if (__builtin_expect (isgreater (x, o_threshold), 0))
- {
- if (_LIB_VERSION != _IEEE_)
- return __kernel_standard_f (x, x, 106);
- }
- else if (__builtin_expect (isless (x, u_threshold), 0))
- {
- if (_LIB_VERSION != _IEEE_)
- return __kernel_standard_f (x, x, 107);
- }
+ float z = __ieee754_expf (x);
+ if (__builtin_expect (!__finitef (z) || z == 0, 0)
+ && __finitef (x) && _LIB_VERSION != _IEEE_)
+ return __kernel_standard_f (x, x, 106 + !!__signbitf (x));
- return __ieee754_expf (x);
+ return z;
}
hidden_def (__expf)
weak_alias (__expf, expf)