.. _program_listing_file_SPlisHSPlasH_Drag_DragBase.cpp:

Program Listing for File DragBase.cpp
=====================================

|exhale_lsh| :ref:`Return to documentation for file <file_SPlisHSPlasH_Drag_DragBase.cpp>` (``SPlisHSPlasH/Drag/DragBase.cpp``)

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

.. code-block:: cpp

   #include "DragBase.h"
   
   using namespace SPH;
   using namespace GenParam;
   
   int DragBase::DRAG_COEFFICIENT = -1;
   
   
   DragBase::DragBase(FluidModel *model) :
       NonPressureForceBase(model)
   {
       m_dragCoefficient = static_cast<Real>(0.01);
   }
   
   DragBase::~DragBase(void)
   {
   }
   
   void DragBase::initParameters()
   {
       NonPressureForceBase::initParameters();
   
       DRAG_COEFFICIENT = createNumericParameter("drag", "Drag coefficient", &m_dragCoefficient);
       setGroup(DRAG_COEFFICIENT, "Fluid Model|Drag force");
       setDescription(DRAG_COEFFICIENT, "Coefficient for the drag force computation");
       RealParameter* rparam = static_cast<RealParameter*>(getParameter(DRAG_COEFFICIENT));
       rparam->setMinValue(0.0);
   }