coeff /= tmp;
e_rec3x += coeff*eps_self(nx, info->nkx[0], info->recipbox[XX], info->pme_order[0], x[ci]);
e_rec3y += coeff*eps_self(ny, info->nky[0], info->recipbox[YY], info->pme_order[0], x[ci]);
coeff /= tmp;
e_rec3x += coeff*eps_self(nx, info->nkx[0], info->recipbox[XX], info->pme_order[0], x[ci]);
e_rec3y += coeff*eps_self(ny, info->nky[0], info->recipbox[YY], info->pme_order[0], x[ci]);