Created attachment 541903 [details]
Test program showing floating point exception

Description of problem:
On Fedora 16, with floating point trapping enabled, *except* for "underflow" and "inexact", exp(-1.0e40) will throw a Floating Point Exception.

Version-Release number of selected component (if applicable):
glibc-2.14.90-19.x86_64

How reproducible:
Every time.

Steps to Reproduce:
1. Compile attached test programme (g++ test1.cpp)
2. Run program
3.
  
Actual results:
Floating point exception.

Expected results:
The value 0 should be printed.

Additional info:
On Fedora 14 the test program gives the expected result "0" so this is a regression in Fedora 16.

At lines 35 and 40 of w_exp.c, libm uses the floating point variant "kernel_standard_f" rather than the double variant "kernel_standard".

The implementation of kernel_standard_f in k_standard.c just maps double to float (for arguments and return value).  If kernel_standard_f is changed to to kernel_standard in both places, the test program runs through without problems.