interface.hpp

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//
// This file is subject to the terms and conditions defined in
// file 'LICENSE', which is part of this source code package.
//
 
#pragma once
 
#include "common/execspaces.hpp"
#include "common/types.hpp"
#include <vector>
 
namespace PACMAN {
 
// ---------------------------------------------------------------------------
// Execution-space constants — re-exported for convenience
// (same values as ExecSpaces members in common/execspaces.hpp).
// ---------------------------------------------------------------------------
using ExecSpaces = PACMAN::ExecSpaces;
 
// ---------------------------------------------------------------------------
// RBF function constants
// ---------------------------------------------------------------------------
struct RbfFunctions {
  static constexpr unsigned char WENDLANDC0 = 0x10;
  static constexpr unsigned char WENDLANDC2 = 0x11;
  static constexpr unsigned char WENDLANDC4 = 0x12;
  static constexpr unsigned char WENDLANDC6 = 0x13;
  static constexpr unsigned char WENDLANDC8 = 0x14;
};
 
struct FeInterpolateResult {
  std::vector<fp_t>
      targetValues; 
  std::vector<int_t>
      targetStatus; 
};
 
FeInterpolateResult
fe_interpolate(int_t spaceDimension, unsigned char execSpace, method_t method,
               coordinates_t *sourcePoints, int_t nSourcePoints,
               fp_t *sourceValues, int_t *connVal, int_t connValSize,
               offset_t *connOff, int_t connOffSize, cell_t *cellTypes,
               coordinates_t *targetPoints, int_t nTargetPoints, bool fortranIndexing = false);
 
void vtk_to_pacman_cell_type(const int_t *vtkTypes, cell_t *pacmanTypes,
                             int_t n);
 
int_t vtk_cell_dim(int_t vtkCellType);
 
// ---------------------------------------------------------------------------
// RBF-PUM C++ interface
// ---------------------------------------------------------------------------
 
struct RbfInterpolateResult {
  std::vector<fp_t>
      targetValues; 
};
 
RbfInterpolateResult
rbf_interpolate(int_t spaceDimension, unsigned char execSpace,
                unsigned char rbfFunction, coordinates_t *sourcePoints,
                int_t nSourcePoints, fp_t *sourceValues,
                coordinates_t *targetPoints, int_t nTargetPoints);
 
// ---------------------------------------------------------------------------
// MLS C++ interface
// ---------------------------------------------------------------------------
 
struct MLSInterpolateResult {
  std::vector<fp_t>
      targetValues; 
};
 
MLSInterpolateResult
MLS_interpolate(int_t spaceDimension, unsigned char execSpace,
                coordinates_t *sourcePoints, int_t nSourcePoints,
                fp_t *sourceValues, coordinates_t *targetPoints,
                int_t nTargetPoints);
 
} // namespace PACMAN