C++ (Cpp) nt2::ellint_1 Exemples

Exemple #1

Fichier : ellint_1.cpp Projet : francescog/nt2

NT2_TEST_CASE_TPL ( ellint_1_real__1_0,  NT2_REAL_TYPES)
{
  
  using nt2::ellint_1;
  using nt2::tag::ellint_1_;
  typedef typename nt2::meta::as_integer<T>::type iT;
  typedef typename nt2::meta::call<ellint_1_(T)>::type r_t;
  typedef typename nt2::meta::upgrade<T>::type u_t;
  typedef typename boost::result_of<nt2::meta::floating(T)>::type wished_r_t;


  // return type conformity test 
  NT2_TEST( (boost::is_same < r_t, wished_r_t >::value) );
  std::cout << std::endl; 
  double ulpd;
  ulpd=0.0;


  // specific values tests
  NT2_TEST_ULP_EQUAL(ellint_1(nt2::One<T>()), nt2::Inf<r_t>(), 0);
  NT2_TEST_ULP_EQUAL(ellint_1(nt2::Zero<T>()), nt2::Pio_2<r_t>(), 0);
} // end of test for real_

Exemple #2

Fichier : ellint_1.cpp Projet : joker-eph/nt2

NT2_TEST_CASE_TPL ( ellint_1_real__1_0,  NT2_SIMD_REAL_TYPES)
{
  using nt2::ellint_1;
  using nt2::tag::ellint_1_;
  using nt2::load;
  using boost::simd::native;
  using nt2::meta::cardinal_of;
  typedef NT2_SIMD_DEFAULT_EXTENSION  ext_t;
  typedef typename nt2::meta::upgrade<T>::type   u_t;
  typedef native<T,ext_t>                        n_t;
  typedef n_t                                     vT;
  typedef typename nt2::meta::as_integer<T>::type iT;
  typedef native<iT,ext_t>                       ivT;
  typedef typename nt2::meta::call<ellint_1_(vT)>::type r_t;
  typedef typename nt2::meta::call<ellint_1_(T)>::type sr_t;
  typedef typename nt2::meta::scalar_of<r_t>::type ssr_t;
  double ulpd;
  ulpd=0.0;


  // specific values tests
  NT2_TEST_ULP_EQUAL(ellint_1(nt2::One<vT>())[0], nt2::Inf<sr_t>(), 0);
  NT2_TEST_ULP_EQUAL(ellint_1(nt2::Zero<vT>())[0], nt2::Pio_2<sr_t>(), 0);
} // end of test for floating_

Exemple #3

Fichier : ellint_1.cpp Projet : francescog/nt2

NT2_TEST_CASE_TPL ( ellint_1_real__1_0,  NT2_REAL_TYPES)
{
  using nt2::ellint_1;
  using nt2::tag::ellint_1_;
  using nt2::load; 
  using nt2::simd::native;
  using nt2::meta::cardinal_of;
  typedef NT2_SIMD_DEFAULT_EXTENSION  ext_t;
  typedef typename nt2::meta::upgrade<T>::type   u_t;
  typedef native<T,ext_t>                        n_t;
  typedef n_t                                     vT;
  typedef typename nt2::meta::as_integer<T>::type iT;
  typedef native<iT,ext_t>                       ivT;
  typedef typename nt2::meta::call<ellint_1_(vT)>::type r_t;
  typedef typename nt2::meta::call<ellint_1_(T)>::type sr_t;
  typedef typename nt2::meta::scalar_of<r_t>::type ssr_t;
  double ulpd;
  ulpd=0.0;

  // random verifications
  static const nt2::uint32_t NR = NT2_NB_RANDOM_TEST;
  {
    NT2_CREATE_BUF(tab_a0,T, NR, T(-1), T(1));
    double ulp0, ulpd ; ulpd=ulp0=0.0;
    for(uint32_t j = 0; j < NR/cardinal_of<n_t>::value; j++)
      {
        vT a0 = load<vT>(&tab_a0[0],j);
        r_t v = ellint_1(a0);
        for(int i = 0; i< cardinal_of<n_t>::value; i++)
        {
          int k = i+j*cardinal_of<n_t>::value;
          NT2_TEST_ULP_EQUAL( v[i],ssr_t(nt2::ellint_1 (tab_a0[k])), 2.5);
          ulp0 = nt2::max(ulpd,ulp0);
        }
      }
    std::cout << "max ulp found is: " << ulp0 << std::endl;
  }
} // end of test for real_