Fresnel Integrals
    X      Actual          S(X)          Actual          C(X)
  0.10   0.523600E-03   0.523589E-03   0.999975E-01   0.999975E-01
  1.00   0.438259E+00   0.438259E+00   0.779893E+00   0.779893E+00
  1.50   0.697505E+00   0.697505E+00   0.445261E+00   0.445261E+00
  2.00   0.343416E+00   0.343416E+00   0.488253E+00   0.488253E+00
  5.00   0.499191E+00   0.499191E+00   0.563631E+00   0.563631E+00
 20.00   0.484084E+00   0.484085E+00   0.499987E+00   0.499988E+00