From bc74ac627b0fb35361f26bc29ed65d90dd3796ad Mon Sep 17 00:00:00 2001
From: John Forrest <jjhforrest@gmail.com>
Date: Fri, 13 Sep 2024 11:31:19 +0100
Subject: [PATCH] fix for mipstart ans maximization

---
 Cbc/src/CbcSolver.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Cbc/src/CbcSolver.cpp b/Cbc/src/CbcSolver.cpp
index e0a067409..e42a3ffa8 100644
--- a/Cbc/src/CbcSolver.cpp
+++ b/Cbc/src/CbcSolver.cpp
@@ -5840,6 +5840,14 @@ int CbcMain1(int argc, const char *argv[],
                     babModel_->createContinuousSolver();
                     babModel_->setBestSolution(CBC_ROUNDING,
                       obj, &x[0], 1);
+		    /* But this is outside branchAndBound so needs to know 
+		       about direction */
+		    if (babModel_->getObjSense()==-1.0) {
+		      babModel_->setCutoff(-obj);
+		      babModel_->setMinimizationObjValue(-obj);
+		      // and solver (solver will flip)
+		      babModel_->solver()->setDblParam(OsiDualObjectiveLimit,obj);
+		    }
                     babModel_->clearContinuousSolver();
                     babModel_->passInSolverCharacteristics(NULL);
                     if (useSolution == 0)