Yes, will do. I have already fixed that example into a working code. I just 
need to clean it up a little and I'll submit a pull request.

Also, I'm encountering this issue where tests fail because a zero error 
ends up being around 1e-13 due to round-off errors. This not only happens 
for my test, but for a lot of other deal.II tests. I see that most of 
deal.II's testing framework relies on picking up tests based on a .cc + 
.output file, making all the tests "regression"-like. I usually have some 
tolerance for comparing doubles, which I thought would be the common way to 
do this. 

How do you provide tests in the deal.II testsuite to account for different 
round-off errors that might occur?

On Monday, August 19, 2019 at 1:17:10 PM UTC-4, Wolfgang Bangerth wrote:
>
> On 8/18/19 10:44 PM, Doug wrote: 
> > 
> > I'd be happy to add this test to the list if that's something you are 
> > interested in. I just have to take the time to read through how to. 
>
> I think this would be fantastic -- this area is new, so there aren't 
> that many tests yet. Anything that does what it is supposed to do will 
> therefore make for a good test, and since you already know how tests 
> look, it shouldn't even be very difficult to convert your code example 
> into a working test. Want to give this a try? 
>
> Best 
>   W. 
>
>
> -- 
> ------------------------------------------------------------------------ 
> Wolfgang Bangerth          email:                 bang...@colostate.edu 
> <javascript:> 
>                             www: http://www.math.colostate.edu/~bangerth/ 
>

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