Re: [boost] [GIL] runtime assertion error

Subject: Re: [boost] [GIL] runtime assertion error
From: Christian Henning (chhenning_at_[hidden])
Date: 2015-01-03 17:44:35

Hi Stephan,

Hello,
>
> I was playing with GIL a little and started out with the tutorial. After
> adapting it a bit I noticed a runtime assertion error here in
> color_base.hpp +343:
>
> template <typename Element, typename Layout, int K>
> typename element_reference_type<homogeneous_color_base<Element,Layout,K>
> >::type
> dynamic_at_c(homogeneous_color_base<Element,Layout,K>& cb, std::size_t i) {
>     assert(i<K);
>     return (gil_reinterpret_cast<Element*>(&cb))[i];
> }
>
> The example works if I compile in release but I still wanted to bring it up
> because of an extensive comment above this template that states that this
> assertion checks for compiler specific behavior and mentions flags that
> need to be set but not which flags.
>
> I believe there might be a bug there. Also, since it's the tutorial, I
> suppose it should work under most circumstances.
>
> I have a sample of the code attached. It's gcc 4.8 here in Linux 64.
> Nothing fancy. Boost 1.56.
>
>
Could you try out the develop branch for gil/extension folder?

Regards,
Christian