Function TEST

src/colmap/optim/sparse_cholesky_test.cc:64–78

}

TEST(SparseCholeskyWithFallbackSolver, ComputeAndSolveDiagonal) {
  Eigen::SparseMatrix<double> A(3, 3);
  A.insert(0, 0) = 2;
  A.insert(1, 1) = 3;
  A.insert(2, 2) = 4;

  SparseCholeskyWithFallbackSolver solver;
  ASSERT_TRUE(solver.Compute(A));

  Eigen::VectorXd b(3);
  b << 2, 6, 12;
  Eigen::VectorXd x;
  ASSERT_TRUE(solver.Solve(b, &x));
  EXPECT_THAT(x, EigenMatrixNear(Eigen::Vector3d(1, 2, 3)));
}

TEST(SparseCholeskyWithFallbackSolver, ComputeAndSolveChain) {
  const Eigen::SparseMatrix<double> A = ChainLaplacianGaugeFixed(10);