Hello Giuseppe,

time is accessible trough the variable "cctk_time" defined by Cactus.
You need to have "DECLARE_CCTK_ARGUMENTS" in your code but nothing else
is required.

Plesae see:

http://einsteintoolkit.org/usersguide/UsersGuide.html#x1-97000C1.6.2

for further details on which variables are defined by
DECLARE_CCTK_ARGUMENTS and CCTK_ARGUMENTS.

Yours,
Roland

> Dear all,
>
> I am trying to implement a Fortran routine in the Einstein Toolkit that computes a function at every timestep in the evolution.
> In order to do this I need to pass the time grid function to this routine but I was unable to locate in which thorn this is defined.
> Can anyone point me in the right direction?
>
> Best regards,
> Giuseppe


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