Stokhos_TotalOrderBasisUnitTest.cpp

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#include "Teuchos_UnitTestHarness.hpp"
#include "Teuchos_TestingHelpers.hpp"
#include "Teuchos_UnitTestRepository.hpp"
#include "Teuchos_GlobalMPISession.hpp"

#include "Stokhos.hpp"
#include "Stokhos_UnitTestHelpers.hpp"

#include <iterator>

namespace TotalOrderBasisUnitTest {

  // Common setup for unit tests
  template <typename OrdinalType, typename ValueType>
  struct UnitTestSetup {
    ValueType rtol, atol, sparse_tol;
    OrdinalType p,d;

    UnitTestSetup() {
      rtol = 1e-12;
      atol = 1e-12;
      sparse_tol = 1e-12;
      d = 3;
      p = 5;
    }

  };

  typedef int ordinal_type;
  typedef double value_type;
  UnitTestSetup<ordinal_type,value_type> setup;

  TEUCHOS_UNIT_TEST( Coefficients, Isotropic ) {
    success = true;

    // Build total order basis of dimension d and order p
    Teuchos::Array< Teuchos::RCP<const Stokhos::OneDOrthogPolyBasis<ordinal_type,value_type> > > bases(setup.d);
    for (ordinal_type i=0; i<setup.d; i++)
      bases[i] = Teuchos::rcp(new Stokhos::LegendreBasis<ordinal_type,value_type>(setup.p, true));
    Teuchos::RCP<const Stokhos::TotalOrderBasis<ordinal_type,value_type> > basis = Teuchos::rcp(new Stokhos::TotalOrderBasis<ordinal_type,value_type>(bases));

    // Compute expected size
    ordinal_type sz = Stokhos::n_choose_k(setup.p+setup.d, setup.d);

    // Check sizes
    TEUCHOS_TEST_EQUALITY(sz, basis->size(), out, success);

    std::ostream_iterator<ordinal_type> out_iterator(out, " ");
    for (ordinal_type i=0; i&l