11 August 2025 03:25:27 PM

cosine_integral_test():
  C version
  Test cosine_integral().

  Created graphics data file 'ci_data.txt'.
  Created graphics command file 'ci_commands.txt'.

ci_test():
  ci() evaluates the cosine integral function.

      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 August 2025 03:25:27 PM