spherical_angular_quadrature.h

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#ifndef SPHERICAL_ANGULAR_QUADRATURE_H
#define SPHERICAL_ANGULAR_QUADRATURE_H
 
#include "math/Quadratures/curvilinear_angular_quadrature.h"
 
#include "math/Quadratures/quadrature.h"
 
namespace chi_math
{
  class SphericalAngularQuadrature;
}
 
/** Spherical product angular quadrature. */
class chi_math::SphericalAngularQuadrature : public chi_math::CurvilinearAngularQuadrature
{
//  Methods
public:
  /** Effective constructor. Initialize with one-dimensional quadrature.
   *  If not already present in the quadrature, the method inserts
   *  the starting directions. */
  SphericalAngularQuadrature(
    const chi_math::Quadrature& quad_polar,
    const bool verbose=false);
  /** Default destructor. */
  virtual ~SphericalAngularQuadrature() = default;
 
  void MakeHarmonicIndices(unsigned int scattering_order, int dimension) override;
private:
  /** Initialize with one-dimensional quadrature. */
  void Initialize(const chi_math::Quadrature& quad_polar,
                  const bool verbose=false);
  /** Initialize parametrizing factors of the spherical angular quadrature,
   *  starting from a fully initialized underlying product quadrature. */
  void InitializeParameters();
};
 
#endif // SPHERICAL_ANGULAR_QUADRATURE_H