MasterElementUtils.h

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/*------------------------------------------------------------------------*/
/*  Copyright 2014 Sandia Corporation.                                    */
/*  This software is released under the license detailed                  */
/*  in the file, LICENSE, which is located in the top-level Nalu          */
/*  directory structure                                                   */
/*------------------------------------------------------------------------*/
#ifndef MasterElementUtils_h
#define MasterElementUtils_h

#include <vector>
#include <array>
#include <limits>

#ifdef __INTEL_COMPILER
#define POINTER_RESTRICT restrict
#else
#define POINTER_RESTRICT __restrict__
#endif

namespace sierra{
namespace nalu{
  class LagrangeBasis;

  bool isoparameteric_coordinates_for_point_2d(
    LagrangeBasis& basis,
    const double* POINTER_RESTRICT elemNodalCoords,
    const double* POINTER_RESTRICT pointCoord,
    double* POINTER_RESTRICT isoParCoord,
    std::array<double,2> initialGuess,
    int maxIter,
    double tolerance,
    double deltaLimit = 1.0e4
  );

  bool isoparameteric_coordinates_for_point_3d(
    LagrangeBasis& basis,
    const double* POINTER_RESTRICT elemNodalCoords,
    const double* POINTER_RESTRICT pointCoord,
    double* POINTER_RESTRICT isoParCoord,
    std::array<double,3> initialGuess,
    int maxIter,
    double tolerance,
    double deltaLimit = 1.0e4
  );

}
}

#endif