11-Aug-2025 08:23:25

cosine_integral_test():
  MATLAB/Octave version 6.4.0
  Test cosine_integral().

ci_plot():
  ci() evaluates the cosine integral function.
  Graphics saved as "ci_plot.png"

ci_test():
  ci() evaluates the Cosine Integral function CI(X).

          X           CI(X)

             0.5       -0.1777840788066129       -0.1777840788066129
             0.6      -0.02227070695927976      -0.02227070695927979
             0.7        0.1005147070088978        0.1005147070088978
             0.8        0.1982786159524672        0.1982786159524672
             0.9        0.2760678304677729        0.2760678304677728
               1        0.3374039229009681        0.3374039229009682
             1.2        0.4204591828942405        0.4204591828942404
             1.4        0.4620065850946773        0.4620065850946772
             1.6        0.4717325169318778        0.4717325169318777
             1.8        0.4568111294183369        0.4568111294183367
               2         0.422980828774865        0.4229808287748649
             2.5        0.2858711963653835        0.2858711963653835
               3        0.1196297860080003        0.1196297860080005
             3.5      -0.03212854851248112      -0.03212854851248127
               4       -0.1409816978869304       -0.1409816978869304
             4.5       -0.1934911221017388       -0.1934911221017388

cosine_integral_test():
  Normal end of execution.

11-Aug-2025 08:23:25