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Versions and Licences

Note that the ECLiPSe library described here is just an interface to CPLEX or XPRESS-MP. In order to be able to use it, you need to have a licence for one of these solvers on your machine.

Depending on whether you have CPLEX or XPRESS-MP, which version of it, and which hardware and operating system, you need to use the matching version of this interface. Because an ECLiPSe installation can be shared between several computers on a network, we have provided you with the possibility to tell the system which licence you have on which machine. To configure your local installation, simply add one line for each computer with a CPLEX or XPRESS-MP licence to the file <eclipsedir>/lib/eplex_lic_info.ecl, where <eclipsedir> is the directory or folder where your ECLiPSe installation resides. For example, if you have CPLEX version 6.5 on machine workhorse, you would add the line

licence(workhorse, cplex, '65', '', 0).
Note that the set of supported solver versions may vary between different releases of ECLiPSe.




1999-08-06