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Example with low-level C interface? #87

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dpo opened this issue May 15, 2020 · 2 comments
Closed

Example with low-level C interface? #87

dpo opened this issue May 15, 2020 · 2 comments

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@dpo
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dpo commented May 15, 2020

Could you show (in the README and/or tests) an example of passing a QP to Xpress using the low-level interface? Is it possible to pass entire matrices as with Gurobi.jl and CPLEX.jl? Thanks.
@joaquimg
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Since new release Gurobi.jl and CPLEX.jl followed Xpress.jl and a julian low level interface was removed.
Currently, all three packages only have two usage options:

  • MathOptInterface (and consequently everything that uses MOI such as JuMP.jl and Convex.jl)
  • a low level API which is basically just thin wrappers on ccall

What is you use case?
Some matrix interface are being develop in https://github.com/jump-dev/MatrixOptInterface.jl

@joaquimg
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closing as stale. feel free to reopen with more details.

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@dpo @joaquimg