06 October 2025 11:37:13 AM

sine_integral_test():
  C++ version
  Test sine_integral().

  Created graphics data file 'si_data.txt'.
  Created graphics command file 'si_commands.txt'.

si_test():
  si() evaluates the sine integral function.

      X            SI(X)

             0.5        0.4931074180430667        0.4931074180430667
             0.6        0.5881288096080801        0.5881288096080799
             0.7        0.6812222391166113        0.6812222391166114
             0.8        0.7720957854819966        0.7720957854819964
             0.9        0.8604707107452929        0.8604707107452929
               1         0.946083070367183         0.946083070367183
             1.2         1.108047199013719         1.108047199013719
             1.4         1.256226732779218         1.256226732779218
             1.6         1.389180485870438         1.389180485870438
             1.8         1.505816780255579         1.505816780255579
               2         1.605412976802695         1.605412976802695
             2.5         1.778520173443827         1.778520173443827
               3         1.848652527999468         1.848652527999468
             3.5         1.833125398665997         1.833125398665997
               4         1.758203138949053         1.758203138949053
             4.5         1.654140414379244         1.654140414379244

sine_integral_test():
  Normal end of execution.

06 October 2025 11:37:13 AM