Re: [Boost-users] [Math] Accuracy test failures on QNX 6.4.0

Subject: Re: [Boost-users] [Math] Accuracy test failures on QNX 6.4.0
From: John Maddock (john_at_[hidden])
Date: 2008-11-22 04:50:14

Niklas Angare wrote:
>>>>>> but on the off chance there's some issue with FPU exception flags
>>>>>> from previous calls messing things up, can you try the attached
>>>>>> boost/math/tools/config.hpp and see if it clears any of the test
>>>>>> failures?
>>
>> That didn't appear to make a differance. The same tests fail with it
>> as without.

Oh :-(

Any feedback from QNX on the cause of the issue?  It would be nice 
understand what's going on just in case it's something we can fix.

>> The Ellint tests pass now, though. Considering the nature of the
>> platform bug I guess that may just be due to the code moving around.

Ah no, there really was a bug in the Boost.Math code that was exposed by a 
less than fully accurate fmod implementation on that platform.

John.