Line data    Source code

       1            0 : // Distributed under the MIT License.
       2              : // See LICENSE.txt for details.
       3              : 
       4              : #pragma once
       5              : 
       6              : #include <string>
       7              : 
       8              : #include "DataStructures/DataBox/Tag.hpp"
       9              : #include "Time/OptionTags/InitialSlabSize.hpp"
      10              : #include "Time/OptionTags/InitialTimeStep.hpp"
      11              : #include "Utilities/ErrorHandling/Error.hpp"
      12              : #include "Utilities/TMPL.hpp"
      13              : 
      14              : namespace Initialization {
      15              : /// \ingroup InitializationGroup
      16              : /// \brief %Tags used during initialization of parallel components.
      17            1 : namespace Tags {
      18            0 : struct InitialTimeDelta : db::SimpleTag {
      19            0 :   using type = double;
      20            0 :   using option_tags = tmpl::list<OptionTags::InitialTimeStep>;
      21              : 
      22            0 :   static constexpr bool pass_metavariables = false;
      23            0 :   static double create_from_options(const double initial_time_step) {
      24              :     if (initial_time_step == 0.0) {
      25              :       ERROR_NO_TRACE("InitialTimeStep must be nonzero");
      26              :     }
      27              :     return initial_time_step;
      28              :   }
      29              : };
      30              : 
      31            0 : struct InitialSlabSize : db::SimpleTag {
      32            0 :   using type = double;
      33            0 :   using option_tags = tmpl::list<OptionTags::InitialSlabSize>;
      34              : 
      35            0 :   static constexpr bool pass_metavariables = false;
      36            0 :   static double create_from_options(const double initial_slab_size) {
      37              :     if (initial_slab_size == 0.0) {
      38              :       ERROR_NO_TRACE("InitialSlabSize must be nonzero");
      39              :     }
      40              :     return initial_slab_size;
      41              :   }
      42              : };
      43              : }  // namespace Tags
      44              : }  // namespace Initialization