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# lp_release_license

Release a runtime license token for the external solver.

## Description

The eplex-library interfaces to an external simplex/MIP solver which might require a license to run (e.g. CPLEX, XPRESS-MP, Gurobi). When the eplex-library is loaded, it tries to obtain a license immediately, or a license can be obtained by calling lp_get_license/0. A held license can then be released using lp_release_license/0. The predicate always succeeds, even if no license was held.

## See Also

lp_get_license / 0, lp_get_license / 2