示例#1
0
文件: atanh.cpp 项目: ethanrublee/nt2
NT2_TEST_CASE_TPL ( atanh_real__1_0,  NT2_SIMD_REAL_TYPES)
{
  using nt2::atanh;
  using nt2::tag::atanh_;
  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<atanh_(vT)>::type r_t;
  typedef typename nt2::meta::call<atanh_(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(atanh(nt2::Inf<vT>())[0], nt2::Nan<sr_t>(), 0.5);
  NT2_TEST_ULP_EQUAL(atanh(nt2::Minf<vT>())[0], nt2::Nan<sr_t>(), 0.5);
  NT2_TEST_ULP_EQUAL(atanh(nt2::Mone<vT>())[0], nt2::Minf<sr_t>(), 0.5);
  NT2_TEST_ULP_EQUAL(atanh(nt2::Nan<vT>())[0], nt2::Nan<sr_t>(), 0.5);
  NT2_TEST_ULP_EQUAL(atanh(nt2::One<vT>())[0], nt2::Inf<sr_t>(), 0.5);
  NT2_TEST_ULP_EQUAL(atanh(nt2::Zero<vT>())[0], nt2::Zero<sr_t>(), 0.5);
} // end of test for floating_
示例#2
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NT2_TEST_CASE_TPL ( atanh_signed_int__1_0,  NT2_INTEGRAL_SIGNED_TYPES)
{
  
  using nt2::atanh;
  using nt2::tag::atanh_;
  typedef typename nt2::meta::as_integer<T>::type iT;
  typedef typename nt2::meta::call<atanh_(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(atanh(nt2::Zero<T>()), nt2::Zero<r_t>(), 0.5);
} // end of test for signed_int_
示例#3
0
文件: atanh.cpp 项目: KWMalik/nt2
NT2_TEST_CASE_TPL ( atanh_real__1_0,  NT2_SIMD_REAL_TYPES)
{
  using nt2::atanh;
  using nt2::tag::atanh_;
  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<atanh_(vT)>::type r_t;
  typedef typename nt2::meta::call<atanh_(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(nt2::uint32_t j = 0; j < NR;j+=cardinal_of<n_t>::value)
      {
        vT a0 = load<vT>(&tab_a0[0],j);
        r_t v = atanh(a0);
        for(nt2::uint32_t i = 0; i< cardinal_of<n_t>::value; i++)
        {
          
          NT2_TEST_ULP_EQUAL( v[i],ssr_t(nt2::atanh (a0[i])), 1.0);
          ulp0 = nt2::max(ulpd,ulp0);
        }
      }
    std::cout << "max ulp found is: " << ulp0 << std::endl;
  }
} // end of test for floating_
示例#4
0
NT2_TEST_CASE_TPL ( atanh_real__1_0,  NT2_REAL_TYPES)
{
  
  using nt2::atanh;
  using nt2::tag::atanh_;
  typedef typename nt2::meta::as_integer<T>::type iT;
  typedef typename nt2::meta::call<atanh_(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(atanh(nt2::Inf<T>()), nt2::Nan<r_t>(), 0.5);
  NT2_TEST_ULP_EQUAL(atanh(nt2::Minf<T>()), nt2::Nan<r_t>(), 0.5);
  NT2_TEST_ULP_EQUAL(atanh(nt2::Mone<T>()), nt2::Minf<r_t>(), 0.5);
  NT2_TEST_ULP_EQUAL(atanh(nt2::Nan<T>()), nt2::Nan<r_t>(), 0.5);
  NT2_TEST_ULP_EQUAL(atanh(nt2::One<T>()), nt2::Inf<r_t>(), 0.5);
  NT2_TEST_ULP_EQUAL(atanh(nt2::Zero<T>()), nt2::Zero<r_t>(), 0.5);
  // random verifications
  static const 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;
    T a0;
    for (uint32_t j =0; j < NR; ++j )
      {
        std::cout << "for param "
                  << "  a0 = "<< u_t(a0 = tab_a0[j])
                  << std::endl;
        NT2_TEST_ULP_EQUAL( nt2::atanh(a0),::cephes_atanhl(a0),1.5);
        ulp0=nt2::max(ulpd,ulp0);
        NT2_TEST_ULP_EQUAL( nt2::atanh(a0),nt2::boost_math::atanh(a0),1.0);
        ulp0=nt2::max(ulpd,ulp0);
     }
     std::cout << "max ulp found is: " << ulp0 << std::endl;
   }
} // end of test for real_