Fully zero-init MEAM data structure

  maxneigh = 0;

  scrfcn = dscrfcn = fcpair = NULL;

  neltypes = 0;

  for (int i = 0; i < maxelt; i++) {

    Omega_meam[i] = Z_meam[i] = A_meam[i] = rho0_meam[i] = beta0_meam[i] = 

      beta1_meam[i]= beta2_meam[i] = beta3_meam[i] = 

      t0_meam[i] = t1_meam[i] = t2_meam[i] = t3_meam[i] = 

      rho_ref_meam[i] = ibar_meam[i] = ielt_meam[i] = 0.0;

    for (int j = 0; j < maxelt; j++) {

      lattce_meam[i][j] = FCC;

      Ec_meam[i][j] = re_meam[i][j] = alpha_meam[i][j] = delta_meam[i][j] = Ec_meam[i][j] = ebound_meam[i][j] = attrac_meam[i][j] = repuls_meam[i][j] = 0.0;

      nn2_meam[i][j] = zbl_meam[i][j] = eltind[i][j] = 0;

    }

  }

}

MEAM::~MEAM()