gm_to_dirac_approx_i.h

#ifndef GM_TO_DIRAC_I_H
#define GM_TO_DIRAC_I_H
 
#include <gsl/gsl_matrix.h>
#include <gsl/gsl_matrix_float.h>
#include <gsl/gsl_matrix_long_double.h>
 
#include <type_traits>
 
#include "approximate_options.h"
#include "gsl_minimizer.h"
#include "gsl_vector_matrix_types.h"
 
template <typename T>
class gm_to_dirac_approx_i {
 public:
  using GSLVectorType = typename GSLTemplateTypeAlias<T>::VectorType;
  using GSLVectorViewType = typename GSLTemplateTypeAlias<T>::VectorViewType;
  using GSLMatrixType = typename GSLTemplateTypeAlias<T>::MatrixType;
 
  virtual ~gm_to_dirac_approx_i() = default;
 
  virtual bool approximate(const T* covDiag, size_t L, size_t N, size_t bMax,
                           T* x, const T* wX, GslminimizerResult* result,
                           const ApproximateOptions& options) = 0;
 
  virtual void modified_van_mises_distance_sq(const T* covDiag, T* distance,
                                              size_t L, size_t N, size_t bMax,
                                              T* x, const T* wX) = 0;
 
  virtual void modified_van_mises_distance_sq_derivative(const T* covDiag,
                                                         T* gradient, size_t L,
                                                         size_t N, size_t bMax,
                                                         T* x, const T* wX) = 0;
 
  virtual bool approximate(const GSLVectorType* covDiag, size_t L, size_t N,
                           size_t bMax, GSLVectorType* x,
                           const GSLVectorType* wX, GslminimizerResult* result,
                           const ApproximateOptions& options) = 0;
 
  virtual void modified_van_mises_distance_sq(const GSLVectorType* covDiag,
                                              T* distance, size_t L, size_t N,
                                              size_t bMax, GSLVectorType* x,
                                              const GSLVectorType* wX) = 0;
 
  virtual void modified_van_mises_distance_sq_derivative(
      const GSLVectorType* covDiag, GSLVectorType* gradient, size_t L, size_t N,
      size_t bMax, GSLVectorType* x, const GSLVectorType* wX) = 0;
 
  virtual bool approximate(const GSLVectorType* covDiag, size_t L, size_t N,
                           size_t bMax, GSLMatrixType* x,
                           const GSLVectorType* wX, GslminimizerResult* result,
                           const ApproximateOptions& options) = 0;
 
  virtual void modified_van_mises_distance_sq(const GSLVectorType* covDiag,
                                              T* distance, size_t L, size_t N,
                                              size_t bMax, GSLMatrixType* x,
                                              const GSLVectorType* wX) = 0;
 
  virtual void modified_van_mises_distance_sq_derivative(
      const GSLVectorType* covDiag, GSLMatrixType* gradient, size_t L, size_t N,
      size_t bMax, GSLMatrixType* x, const GSLVectorType* wX) = 0;
};
 
#endif  // GM_TO_DIRAC_I_H