I have seen other libraries with a release+asserts mode. I don't think
having a third variant of the deal.II internals makes a lot of sense,
but one could talk about having a compile option for it.
If you want something like Assert() in release mode inside your
programs, you could easily do something like this (steal it from
base/exceptions.h):
#if defined(DEBUG) || defined(MODERATE)
#define ModerateAssert(cond, exc)
\
{ \
if (!(cond)) \
::dealii::deal_II_exceptions::internals:: \
issue_error(::dealii::deal_II_exceptions::internals::abort_on_exception,\
__FILE__, __LINE__, __PRETTY_FUNCTION__, #cond, #exc, exc); \
}
#else
#define ModerateAssert(cond, exc)
\
{}
#endif
On Sun, Dec 3, 2017 at 5:17 PM, RAJAT ARORA <rajat.arora9...@gmail.com> wrote:
> Hello all,
>
> This is more of a discussion than a question.
>
> I was wondering if there is a need for a new class which does something like
> Assert (Lets call it myAssert for now). Its function is as defined below.
>
> While developing an application code, once I am confident that I am not
> making a mistake using any of the deal.ii functions (no Asserts are
> triggered), I switch to release mode.However, there can still be bugs in my
> own code: physical or just programming based.
>
> So, lets say my code is bug free from deal.ii point of view (No internal
> Asserts), I want to find a problem in my own code.
> Lets say that I want to find when in time does a variable become negative
> and why?
>
>
> I dont want to use Assert as it causes huge overhead which is not needed at
> the moment. So, the best thing would be to run code in release mode
> and use AssertThrow or print commands to find source of error. Now, once the
> bug is fixed, all the manual Asserthrow needs to be removed or commented. If
> they are ever needed again, they need to be uncommented again and this could
> span several files.
>
> So, my point is if there is a new class "myAssert" that can function just
> like Assert but in release mode.
>
> One solution could be having a new mode : like debug and release,
> "Moderate" mode, where only user-defined myAsserts + AsserThrow will be
> checked.
>
> So when build in moderate mode: myAssert (+ Asserthrow) would work like
> "Assert". This is just to avoid huge overhead that debug mode will cause
> because of all internal checks.
>
> When built in release mode: No myAssert would be checked. (AssertThrow will
> still be active).
>
> The other way to thing about this is to have a new mode "Mode 3": where no
> Asserts or AssertThrow will be checked. In this case, AssertThrow behaves as
> "myAssert" class.
>
> At the moment, I am not sure if that would be helpful to everyone or not but
> I am certainly interested in something like that.
> If there exists something like that in deal.ii currenlty, please let me
> know.
>
> Thanks.
>
>
>
>
> --
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--
Timo Heister
http://www.math.clemson.edu/~heister/
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