pyilmbase - Iex_2_2::InvalidFpOpExc crash

So I managed to build pyilmbase (CentOS 6.5 + Red Hat DTS 2.1
(g++ v4.8.2)), and I run tests from file pyImathTest.py

All of them pass except for testFpExceptions() which crashes with
following error:

terminate called after throwing an instance of
'Iex_2_2::InvalidFpOpExc'

what(): Invalid floating-point operation.

Aborted (core dumped)

The crash happend on line 8038:

f = sqrt (-1)

It will pass if I remove preceding code fragment, starting at
line 8023:

# The overflow exception is not masked properly on Windows --
see

# Platform/PlatformFpu.cpp and note the non-implementation of

# setFpExceptions().

#

if sys.platform != 'win32' and sys.platform != 'darwin':

try:

v = V3d (1e200, 1e200, 1e200)

v = v * v * v

print v

except iex.MathExc:

pass

else:

assert 0

Is this smth I should worry about? Any hints appreciated.

thanks,

-michal

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