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