[Users] cctk_alignment

[Steven R. Brandt]

Yes, that was it. I was missing an update. Thanks.

--Steve

On 11/7/18 12:50 PM, Roland Haas wrote:
> Hello Steve,
>
> cctk_alignment is new in the slew of Carpet related changes that were
> just recently pushed. Those changes concerned Cactus, Carpet and PUGH.
> Can you make sure you are running the very newest version of PUGH?
>
> To answer your question: cctk_alignment should always be 1 for PUGH:
> --8<--
> commit 1df75fdbf6f80805f58a0237dd0bc277bae75207 (HEAD -> master, origin/master, origin/HEAD)
> Author: Erik Schnetter <schnetter at gmail.com>
> Date:   Thu Feb 2 16:33:42 2017 -0500
>
>      PUGH: Initialize new cGH fields “cctk_alignment” and “cctk_alignment_offset”
>
> diff --git a/PUGH/src/GHExtension.c b/PUGH/src/GHExtension.c
> index 9d3a641..e5b76ad 100644
> --- a/PUGH/src/GHExtension.c
> +++ b/PUGH/src/GHExtension.c
> @@ -210,6 +210,8 @@ static void PUGH_InitGHBasics (cGH *GH)
>       GH->cctk_ubnd[dim]        = GFExtras->ub[mypGH->myproc][dim];
>
>       GH->cctk_ash[dim] = GH->cctk_lsh[dim];
> +    GH->cctk_alignment = 1;
> +    GH->cctk_alignment_offset = 0;
>     }
>   }
> --8<--
>
> Yours,
> Roland
>
>> I'm debugging a modification to Cactus, and something I've done has
>> tripped an assertion error when running  the RK2-central.par test. The
>> message is:
>>
>> cactus_sim:
>> /home/sbrandt/et-tester/Cactus/configs/sim/build/TestMoL/Init.c:40:
>> TestMoL_InitVars: Assertion `cctki0_ialn>0' failed.
>>
>> The variable cctki0_ialn seems to get filled in from
>> cctkGH->cctk_alignment, which is (as far as I can see) only set in
>> mode.cc by carpet.
>>
>> The test in question, however, uses PUGH.
>>
>> Valgrind confirms that just before the assertion error, I am tripping a
>> conditional depends on uninitialized value error. However, I don't see
>> this same problem when running with the unmodified Cactus source--so
>> somehow I've broken something relating to this infrastructure.
>>
>> How and where is cctk_alignment supposed to get set when running PUGH?
>> What should its value be? Thanks.
>>
>> --Steve
>>
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>
>