.. _program_listing_file_src_modules_sub_grid.cpp:

Program Listing for File sub_grid.cpp
=====================================

|exhale_lsh| :ref:`Return to documentation for file <file_src_modules_sub_grid.cpp>` (``src/modules/sub_grid.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 "sub_grid.hpp"
   REGISTER_MODULE_CPP(sub_grid);
   
   sub_grid::sub_grid(config_file cfg)
           : module_base("sub_grid", parallel::data, cfg)
   
   {
       depends("snowdepthavg");
   
       provides("snowcoverfraction");
   
       SPDLOG_DEBUG("Successfully instantiated module {}",this->ID);
   }
   
   sub_grid::~sub_grid()
   {
   
   
   }
   
   void sub_grid::run(mesh_elem &face) {
   
       double snowdepthavg = (*face)["snowdepthavg"_s];
       double snowcoverfraction;
   
       if(snowdepthavg>0) {
           snowcoverfraction = 1;
       } else {
           snowcoverfraction = 0;
       }
   
       (*face)["snowcoverfraction"_s]=snowcoverfraction;
   
   }