LGO Changelog#

20201030.1#

  • Fixed a possible problem in the licensing routines for computer with many MAC addresses.

20201030#

  • Relinked with and updated ASL2, which fixes some more minor problems affecting Hessian computations.

20201018#

  • Relinked with an updated ASL2, fixing a bug affecting Hessian computations.

20190908#

  • Relink to ignore any LOGWAIT keywords in the ampl.lic or ampl.netlic file.

20190315#

  • Relink to fix bugs with “objrep” when several objectives can be adjusted.

20190123#

  • Add keyword “linwarn” (default 1) to control whether a warning about linear problems is given and whether lgo should exit when the problem is linear or when integer variables are present: sum of

       1 = yes (default)
   2 = abort execution if the problem is purely linear
   4 = abort execution if integer variables are present.

20190110#

  • Increase internal array sizes to double the problem size allowed. On some platforms (MS Windows, Raspberry Pi), the resulting binaries fault, so they have not been updated.

20181120#

  • Relink to ignore HEARTBEAT lines in the ampl.lic file.

20170803#

  • Relink to fix possible trouble with objrep when the last constraint replaces the objective.

20170511#

  • New keyword “version” (no value) causes version, platfform, and license details to be printed initially.

20151208#

  • For those who do not have it, add libgfortran.so.3 to Linux bundles.

20150630#

  • Fix some possible trouble with a single-use license.

20150526#

  • Adjust solve_message when interrupted by control-C; add 6 to solve_result_num values in this case.

20150424#

  • Fix a rarely seen licensing glitch.

20150316#

  • README.lgo (in lgo.doc.*): minor edits.

20150218#

  • Update to LGO version 2015-01-17.