Line data    Source code

       1           0 : // Distributed under the MIT License.
       2             : // See LICENSE.txt for details.
       3             : 
       4             : #pragma once
       5             : 
       6             : #include "DataStructures/DataBox/Tag.hpp"
       7             : #include "Time/OptionTags/InitialTime.hpp"
       8             : #include "Utilities/TMPL.hpp"
       9             : 
      10             : namespace Tags {
      11             : /// \ingroup DataBoxTagsGroup
      12             : /// \ingroup TimeGroup
      13             : /// \brief Tag for the current time as a double
      14             : ///
      15             : /// The meaning of "current time" varies during the algorithm, but
      16             : /// generally is whatever time is appropriate for the calculation
      17             : /// being run.  Usually this is the substep time, but things such as
      18             : /// dense-output calculations may temporarily change the value.
      19           1 : struct Time : db::SimpleTag {
      20           0 :   using type = double;
      21           0 :   using option_tags = tmpl::list<OptionTags::InitialTime>;
      22             : 
      23           0 :   static constexpr bool pass_metavariables = false;
      24           0 :   static double create_from_options(const double initial_time) {
      25             :     return initial_time;
      26             :   }
      27             : };
      28             : }  // namespace Tags