math-opt: add CPLEX solver backend#5125

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sschnug:math_opt_add_cplex_support

Commits on Apr 4, 2026

math-opt: rewrite message callback impl in CPLEX solver
sschnug
committed
copyright headers update relatex to math-opt CPLEX work
sschnug
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math-opt: fix undefined behaviour bug in cplex impl due to unhandled case leading to async data
sschnug
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math-opt: add missing include of <functional> in CPLEX dynamic loading code
sschnug
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math-opt: fix param leaking in CPLEX impl -> reset params in-between solves
sschnug
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math-opt: fix wrong solution status mapping case 110 -> it's no proof of infeasibility
sschnug
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math-opt: fix "dead" branch in CPLEX impl due to -> don't ask for LP code in MIP branch
sschnug
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math-opt: cosmetic improvements for CPLEX impl
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Commits on Apr 5, 2026