11 August 2025 12:13:30.444 PM cosine_integral_test(): Fortran77 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 SI(X) 0.500000 -0.1777840788066129 -0.1777840788066129 0.600000 -0.2227070695927976E-01 -0.2227070695927979E-01 0.700000 0.1005147070088978 0.1005147070088978 0.800000 0.1982786159524672 0.1982786159524672 0.900000 0.2760678304677729 0.2760678304677728 1.00000 0.3374039229009681 0.3374039229009682 1.20000 0.4204591828942405 0.4204591828942404 1.40000 0.4620065850946773 0.4620065850946772 1.60000 0.4717325169318778 0.4717325169318777 1.80000 0.4568111294183369 0.4568111294183367 2.00000 0.4229808287748650 0.4229808287748649 2.50000 0.2858711963653835 0.2858711963653835 3.00000 0.1196297860080003 0.1196297860080005 3.50000 -0.3212854851248112E-01 -0.3212854851248127E-01 4.00000 -0.1409816978869304 -0.1409816978869304 4.50000 -0.1934911221017388 -0.1934911221017388 cosine_integral_test(): Normal end of execution. 11 August 2025 12:13:30.444 PM