.. _program_listing_file_src_modules_crop_rotation.cpp:

Program Listing for File crop_rotation.cpp
==========================================

|exhale_lsh| :ref:`Return to documentation for file <file_src_modules_crop_rotation.cpp>` (``src/modules/crop_rotation.cpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   //
   // Canadian Hydrological Model - The Canadian Hydrological Model (CHM) is a novel
   // modular unstructured mesh based approach for hydrological modelling
   // Copyright (C) 2018 Christopher Marsh
   //
   // This file is part of Canadian Hydrological Model.
   //
   // Canadian Hydrological Model is free software: you can redistribute it and/or
   // modify
   // it under the terms of the GNU General Public License as published by
   // the Free Software Foundation, either version 3 of the License, or
   // (at your option) any later version.
   //
   // Canadian Hydrological Model is distributed in the hope that it will be useful,
   // but WITHOUT ANY WARRANTY; without even the implied warranty of
   // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   // GNU General Public License for more details.
   //
   // You should have received a copy of the GNU General Public License
   // along with Canadian Hydrological Model.  If not, see
   // <http://www.gnu.org/licenses/>.
   //
   
   #include "crop_rotation.hpp"
   REGISTER_MODULE_CPP(crop_rotation);
   
   crop_rotation::crop_rotation(config_file cfg)
           : module_base("crop_rotation", parallel::data, cfg)
   {
       provides_parameter("crop");
   }
   
   crop_rotation::~crop_rotation()
   {
   
   }
   
   void crop_rotation::run(mesh_elem& face)
   {
   
       int year = global_param->year();
   
       if(year % 2 == 0)
           face->parameter("crop"_s) = face->parameter("annual_crop_inventory_1"_s);
       else
           face->parameter("crop"_s) = face->parameter("annual_crop_inventory_2"_s);
   
   }