always-cautious/ortools-clone
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Create a presubmit CI (#4934)

Browse Source
This commit is contained in:
Guillaume Chatelet
2025-12-15 15:26:50 +01:00
committed by Corentin Le Molgat
parent 39b915c763
commit 7f22b7208c
33 changed files with 176 additions and 74 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
examples/cpp/xpress_use.cc
View File

@@ -25,7 +25,8 @@ using namespace operations_research;
/**
* This method shows two ways to initialize a Xpress solver instance.
* Two environment variables are used to specify the Xpress installation paths:
* * XPRESSDIR : Path to the Xpress root directory (containing bin and lib folders)
* * XPRESSDIR : Path to the Xpress root directory containing bin and lib
* folders
* * XPRESS : Path to the directory containing Xpress license
*/
void useXpressSolver(bool solveAsMip, bool useFactory) {
@@ -36,9 +37,9 @@ void useXpressSolver(bool solveAsMip, bool useFactory) {
std::string xpressName = (solveAsMip ? "XPRESS" : "XPRESS_LP");
solver.reset(MPSolver::CreateSolver(xpressName));
} else {
MPSolver::OptimizationProblemType problemType = (solveAsMip ?
MPSolver::XPRESS_MIXED_INTEGER_PROGRAMMING
: MPSolver::XPRESS_LINEAR_PROGRAMMING);
MPSolver::OptimizationProblemType problemType =
(solveAsMip ? MPSolver::XPRESS_MIXED_INTEGER_PROGRAMMING
: MPSolver::XPRESS_LINEAR_PROGRAMMING);
/* MPSolver::SupportsProblemType(problem_type) will test if Xpress is
correctly loaded and has a valid license. This check is important to keep
the program running if Xpress is not correctly installed. With the
@@ -46,12 +47,12 @@ void useXpressSolver(bool solveAsMip, bool useFactory) {
with the license, the program will abort (SIGABRT)
*/
if (MPSolver::SupportsProblemType(problemType)) {
solver.reset(new MPSolver("IntegerProgrammingExample", problemType));
solver.reset(new MPSolver("IntegerProgrammingExample", problemType));
}
}
if (solver == nullptr) {
LOG(WARNING) << "Xpress solver is not available";
return;
LOG(WARNING) << "Xpress solver is not available";
return;
}
// Use the solver
/*
@@ -78,7 +79,6 @@ void useXpressSolver(bool solveAsMip, bool useFactory) {
c1->SetCoefficient(x1, 30.0);
c1->SetCoefficient(x2, 3.5);
const MPSolver::ResultStatus result_status = solver->Solve();
// Check that the problem has an optimal solution.
@@ -94,9 +94,9 @@ int main(int argc, char** argv) {
InitGoogle(argv[0], &argc, &argv, true);
std::cout << "start\n";
LOG(WARNING) << "start";
for (bool solveAsMip: {true, false}) {
for (bool useFactory: {true, false}) {
useXpressSolver(solveAsMip, useFactory);
for (bool solveAsMip : {true, false}) {
for (bool useFactory : {true, false}) {
useXpressSolver(solveAsMip, useFactory);
}
}
return EXIT_SUCCESS;