IJK_Field_tools.tpp

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#ifndef IJK_Field_tools_TPP_H
#define IJK_Field_tools_TPP_H
 
template<typename _TYPE_, typename _TYPE_ARRAY_>
double norme_ijk(const IJK_Field_template<_TYPE_, _TYPE_ARRAY_>& residu)
{
  const int ni = residu.ni();
  const int nj = residu.nj();
  const int nk = residu.nk();
  double somme = 0.;
  for (int k = 0; k < nk; k++)
    {
      double partial1 = 0.;
      for (int j = 0; j < nj; j++)
        {
          double partial2 = 0.;
          for (int i = 0; i < ni; i++)
            {
              double x = residu(i, j, k);
              partial2 += x * x;
            }
          partial1 += partial2;
        }
      somme += partial1;
    }
  somme = Process::mp_sum(somme);
  return sqrt(somme);
}
 
template<typename _TYPE_, typename _TYPE_ARRAY_>
_TYPE_ prod_scal_ijk(const IJK_Field_template<_TYPE_,_TYPE_ARRAY_>& x, const IJK_Field_template<_TYPE_,_TYPE_ARRAY_>& y)
{
  const int ni = x.ni();
  const int nj = x.nj();
  const int nk = x.nk();
  _TYPE_ somme = 0.;
  const _TYPE_ARRAY_& xd = x.data();
  const _TYPE_ARRAY_& yd = y.data();
  for (int k = 0; k < nk; k++)
    {
      for (int j = 0; j < nj; j++)
        {
          for (int i = 0; i < ni; i++)
            {
              int index = x.linear_index(i,j,k);
              assert(index == y.linear_index(i,j,k));
              somme += xd[index] * yd[index];
            }
        }
    }
  somme = (_TYPE_)Process::mp_sum(somme); //!!!! WARNING: possible conversion to double to float!!!!!!!!
  return somme;
}
 
template<typename _TYPE_, typename _TYPE_ARRAY_>
double somme_ijk(const IJK_Field_template<_TYPE_, _TYPE_ARRAY_>& residu)
{
  const int ni = residu.ni();
  const int nj = residu.nj();
  const int nk = residu.nk();
  double somme = 0.;
  for (int k = 0; k < nk; k++)
    {
      double partial1 = 0.;
      for (int j = 0; j < nj; j++)
        {
          double partial2 = 0.;
          for (int i = 0; i < ni; i++)
            {
              double x = residu(i, j, k);
              partial2 += x;
            }
          partial1 += partial2;
        }
      somme += partial1;
    }
  somme = Process::mp_sum(somme);
  return somme;
}
 
template<typename _TYPE_, typename _TYPE_ARRAY_>
_TYPE_ max_ijk(const IJK_Field_template<_TYPE_, _TYPE_ARRAY_>& residu)
{
  const int ni = residu.ni();
  const int nj = residu.nj();
  const int nk = residu.nk();
  _TYPE_ res = (_TYPE_)-1.e30;
  for (int k = 0; k < nk; k++)
    for (int j = 0; j < nj; j++)
      for (int i = 0; i < ni; i++)
        {
          _TYPE_ x = residu(i,j,k);
          res = std::max(x,res);
        }
  res = (_TYPE_)Process::mp_max(res);
  return res;
}
 
#endif /* IJK_Field_tools_TPP_H */