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Add message when optimal solution is found during presolve #623

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Add message when optimal solution is found during presolve #623

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646e9d4
Add message when optimal solution is found during presolve
adityasinghz Nov 24, 2025
527cd60
Move optimal solution message to presolve function
adityasinghz Nov 24, 2025
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5 changes: 5 additions & 0 deletions cpp/src/mip/presolve/third_party_presolve.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -425,6 +425,11 @@ std::optional<third_party_presolve_result_t<i_t, f_t>> third_party_presolve_t<i_
papilo_problem.getNCols(),
papilo_problem.getConstraintMatrix().getNnz());

// Check if presolve found the optimal solution (problem fully reduced)
if (papilo_problem.getNRows() == 0 && papilo_problem.getNCols() == 0) {
CUOPT_LOG_INFO("Optimal solution found during presolve");
}

auto opt_problem =
build_optimization_problem<i_t, f_t>(papilo_problem, op_problem.get_handle_ptr());
auto col_flags = papilo_problem.getColFlags();
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