test(solvers): verify thread scope across retained size transitions

This commit is contained in:
KOKO\Mimi
2026-10-14 16:07:24 +09:00
parent 9c4e6854ae
commit 6fc701170e
2 changed files with 52 additions and 0 deletions
@@ -193,6 +193,32 @@ TEST(MklPardisoSolver, RefactorizesWithoutLeakingState) {
1.0e-10);
}
TEST(MklPardisoSolver, SingleEquationScopeTransitionsBetweenRetainedSizes) {
const int previous = mkl_set_num_threads_local(0);
struct Restore {
int previous;
~Restore() { static_cast<void>(mkl_set_num_threads_local(previous)); }
} restore{previous};
const int default_threads = mkl_get_max_threads();
fesa::MklPardisoSolver solver;
ASSERT_TRUE(solver.Factorize(MakeDenseCsr(1U, {2.0})).IsOk());
auto single = MakeVector({0.0});
ASSERT_TRUE(solver.Solve(MakeVector({4.0}), single).IsOk());
EXPECT_DOUBLE_EQ(single[0U], 2.0);
ASSERT_TRUE(solver.Factorize(MakeDenseCsr(2U, {2, 0, 0, 3})).IsOk());
fesa::Vector pair{2U};
ASSERT_TRUE(solver.Solve(MakeVector({4, 6}), pair).IsOk());
EXPECT_NEAR(pair[0U], 2, 1e-14);
EXPECT_NEAR(pair[1U], 2, 1e-14);
EXPECT_EQ(mkl_get_max_threads(), default_threads);
EXPECT_EQ(mkl_set_num_threads_local(0), 0);
ASSERT_TRUE(solver.Factorize(MakeDenseCsr(1U, {4.0})).IsOk());
ASSERT_TRUE(solver.Solve(MakeVector({8.0}), single).IsOk());
EXPECT_DOUBLE_EQ(single[0U], 2.0);
EXPECT_EQ(mkl_get_max_threads(), default_threads);
EXPECT_EQ(mkl_set_num_threads_local(0), 0);
}
TEST(MklPardisoSolver, ClassifiesSingularIndefiniteAndNonfiniteFailures) {
fesa::MklPardisoSolver solver;
@@ -205,4 +205,30 @@ TEST(TangentSolver, SingleEquationScopeRestoresTlsAcrossFreshFailureAndReuse) {
EXPECT_TRUE(second.get());
}
TEST(TangentSolver, SingleEquationScopeTransitionsBetweenRetainedSizes) {
const int previous = mkl_set_num_threads_local(0);
struct Restore {
int previous;
~Restore() { static_cast<void>(mkl_set_num_threads_local(previous)); }
} restore{previous};
const int default_threads = mkl_get_max_threads();
fesa::MklPardisoTangentSolver solver;
ASSERT_TRUE(solver.FactorizeFresh(MakeDenseCsr(1U, {2.0})).IsOk());
auto single = MakeVector({0.0});
ASSERT_TRUE(solver.SolveCorrection(MakeVector({4.0}), single).IsOk());
EXPECT_DOUBLE_EQ(single[0U], 2.0);
ASSERT_TRUE(solver.FactorizeFresh(MakeDenseCsr(2U, {2, 1, 0, 3})).IsOk());
fesa::Vector pair{2U};
ASSERT_TRUE(solver.SolveCorrection(MakeVector({6, 6}), pair).IsOk());
EXPECT_NEAR(pair[0U], 2, 1e-14);
EXPECT_NEAR(pair[1U], 2, 1e-14);
EXPECT_EQ(mkl_get_max_threads(), default_threads);
EXPECT_EQ(mkl_set_num_threads_local(0), 0);
ASSERT_TRUE(solver.FactorizeFresh(MakeDenseCsr(1U, {4.0})).IsOk());
ASSERT_TRUE(solver.SolveCorrection(MakeVector({8.0}), single).IsOk());
EXPECT_DOUBLE_EQ(single[0U], 2.0);
EXPECT_EQ(mkl_get_max_threads(), default_threads);
EXPECT_EQ(mkl_set_num_threads_local(0), 0);
}
} // namespace