discreteNormals.h

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#ifndef GEOMETRY_DISCRETE_NORMAL_H
#define GEOMETRY_DISCRETE_NORMAL_H
 
namespace olb {
 
template <typename T> class BlockIndicatorF2D;
template <typename T> class BlockIndicatorF3D;
 
enum class DiscreteNormalType : int {
  Flat           = 0, 
  ExternalCorner = 1, 
  InternalCorner = 2, 
  ExternalEdge   = 3, 
  InternalEdge   = 4  
};
 
template <concepts::Descriptor DESCRIPTOR>
using DiscreteNormal = Vector<int,DESCRIPTOR::d>;
 
template<concepts::BaseType T>
std::pair<DiscreteNormalType,Vector<int,2>> computeBoundaryTypeAndNormal(
  BlockIndicatorF2D<T>& fluidI,
  BlockIndicatorF2D<T>& outsideI,
  Vector<int,2> latticeR);
 
template<concepts::BaseType T>
std::pair<DiscreteNormalType,Vector<int,3>> computeBoundaryTypeAndNormal(
  BlockIndicatorF3D<T>& fluidI,
  BlockIndicatorF3D<T>& outsideI,
  Vector<int,3> latticeR);
 
}
 
#endif