計算結果として折れ線の形状を出力する
call cg_iric_write_sol_polydata_polyline_f(numpoints, x, y, ier)
ier = cg_iRIC_Write_Sol_PolyData_Polyline(numpoints, x, y);
cg_iRIC_Write_Sol_PolyData_Polyline(x, y)