Greetings. I am facing a problem with JuMP 0.21.4 and Julia 1.6.2. I am working with an Integer Programming model using CPLEX 12.10 and I using callbacks to add some cuts, however, I need these cuts to be added only when the callback is at the root, i.e, I need to add these cuts only when the node …

Get branch-and-bound node depth with JuMP

odow November 15, 2021, 7:09pm 13

Because your callback gets called multiple times at the root node.

Additionally, you are still not checking the return code of CPXcallbackgetinfolong for success.

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