/* ************************************************************************* */
TEST( SubgraphPreconditioner, planarGraph )
  {
  // Check planar graph construction
  GaussianFactorGraph A;
  VectorValues xtrue;
  boost::tie(A, xtrue) = planarGraph(3);
  LONGS_EQUAL(13,A.size());
  LONGS_EQUAL(9,xtrue.size());
  DOUBLES_EQUAL(0,error(A,xtrue),1e-9); // check zero error for xtrue

  // Check that xtrue is optimal
  GaussianBayesNet::shared_ptr R1 = GaussianSequentialSolver(A).eliminate();
  VectorValues actual = optimize(*R1);
  CHECK(assert_equal(xtrue,actual));
}
Ejemplo n.º 2
0
/* ************************************************************************* */
TEST(VectorValues, assignment) {

  VectorValues actual;

  {
    // insert, with out-of-order indices
    VectorValues original;
    original.insert(0, Vector_(1, 1.0));
    original.insert(1, Vector_(2, 2.0, 3.0));
    original.insert(5, Vector_(2, 6.0, 7.0));
    original.insert(2, Vector_(2, 4.0, 5.0));
    actual = original;
  }

  // Check dimensions
  LONGS_EQUAL(6, actual.size());
  LONGS_EQUAL(7, actual.dim());
  LONGS_EQUAL(1, actual.dim(0));
  LONGS_EQUAL(2, actual.dim(1));
  LONGS_EQUAL(2, actual.dim(2));
  LONGS_EQUAL(2, actual.dim(5));

  // Logic
  EXPECT(actual.exists(0));
  EXPECT(actual.exists(1));
  EXPECT(actual.exists(2));
  EXPECT(!actual.exists(3));
  EXPECT(!actual.exists(4));
  EXPECT(actual.exists(5));
  EXPECT(!actual.exists(6));

  // Check values
  EXPECT(assert_equal(Vector_(1, 1.0), actual[0]));
  EXPECT(assert_equal(Vector_(2, 2.0, 3.0), actual[1]));
  EXPECT(assert_equal(Vector_(2, 4.0, 5.0), actual[2]));
  EXPECT(assert_equal(Vector_(2, 6.0, 7.0), actual[5]));
  EXPECT(assert_equal(Vector_(7, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0), actual.vector()));

  // Check exceptions
  CHECK_EXCEPTION(actual.insert(1, Vector()), invalid_argument);
}
Ejemplo n.º 3
0
/* ************************************************************************* */
TEST(VectorValues, append) {
  // insert
  VectorValues actual;
  actual.insert(0, Vector_(1, 1.0));
  actual.insert(1, Vector_(2, 2.0, 3.0));
  actual.insert(2, Vector_(2, 4.0, 5.0));

  // append
  vector<size_t> dims(2);
  dims[0] = 3;
  dims[1] = 5;
  actual.append(dims);

  // Check dimensions
  LONGS_EQUAL(5, actual.size());
  LONGS_EQUAL(13, actual.dim());
  LONGS_EQUAL(1, actual.dim(0));
  LONGS_EQUAL(2, actual.dim(1));
  LONGS_EQUAL(2, actual.dim(2));
  LONGS_EQUAL(3, actual.dim(3));
  LONGS_EQUAL(5, actual.dim(4));

  // Logic
  EXPECT(actual.exists(0));
  EXPECT(actual.exists(1));
  EXPECT(actual.exists(2));
  EXPECT(actual.exists(3));
  EXPECT(actual.exists(4));
  EXPECT(!actual.exists(5));

  // Check values
  EXPECT(assert_equal(Vector_(1, 1.0), actual[0]));
  EXPECT(assert_equal(Vector_(2, 2.0, 3.0), actual[1]));
  EXPECT(assert_equal(Vector_(2, 4.0, 5.0), actual[2]));

  // Check exceptions
  CHECK_EXCEPTION(actual.insert(3, Vector()), invalid_argument);
}