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/LtsMode.hpp"
       8             : #include "Utilities/ErrorHandling/Error.hpp"
       9             : #include "Utilities/TMPL.hpp"
      10             : 
      11             : namespace Tags {
      12             : /// \ingroup DataBoxTagsGroup
      13             : /// \ingroup TimeGroup
      14             : /// \brief The version of local time-stepping in use
      15           1 : struct LtsMode : db::SimpleTag {
      16           0 :   using type = ::LtsMode;
      17             : 
      18           0 :   static constexpr bool pass_metavariables = true;
      19             : 
      20             :   template <typename Metavars>
      21           0 :   using option_tags = tmpl::list<>;
      22             : 
      23             :   template <typename Metavars>
      24           0 :   static type create_from_options() {
      25             :     return Metavars::local_time_stepping ? ::LtsMode::Conservative
      26             :                                          : ::LtsMode::Off;
      27             :   }
      28             : };
      29             : 
      30             : /// \ingroup DataBoxTagsGroup
      31             : /// \ingroup TimeGroup
      32             : /// Version of LtsMode that forces a specific value, primarily for
      33             : /// executables without LTS support.
      34             : template <::LtsMode Mode>
      35           1 : struct LtsModeForced : LtsMode {
      36           0 :   using base = LtsMode;
      37             : 
      38             :   template <typename Metavars>
      39           0 :   static type create_from_options() {
      40             :     // Check consistency rather than just returning the forced mode so
      41             :     // that other tag creation functions can rely on the parsed value
      42             :     // being correct.
      43             :     const auto lts_mode = Metavars::local_time_stepping
      44             :                               ? ::LtsMode::Conservative
      45             :                               : ::LtsMode::Off;
      46             :     if (lts_mode != Mode) {
      47             :       ERROR_NO_TRACE(
      48             :           "This executable only supports LocalTimeStepping: " << Mode);
      49             :     }
      50             :     return lts_mode;
      51             :   }
      52             : };
      53             : }  // namespace Tags