NT2_TEST_CASE_TPL ( digamma_real, NT2_SIMD_REAL_TYPES) { using nt2::digamma; using nt2::tag::digamma_; using boost::simd::native; typedef BOOST_SIMD_DEFAULT_EXTENSION ext_t; typedef native<T,ext_t> vT; // specific values tests NT2_TEST_ULP_EQUAL(digamma(nt2::One<vT>()), nt2::splat<vT>(-0.57721566490153286555), 0.5); }
NT2_TEST_CASE_TPL ( digamma_real, NT2_REAL_TYPES) { using nt2::digamma; using nt2::tag::digamma_; typedef typename nt2::meta::call<digamma_(T)>::type r_t; typedef T wished_r_t; // return type conformity test NT2_TEST_TYPE_IS(r_t, wished_r_t); // specific values tests NT2_TEST_ULP_EQUAL(digamma(nt2::One<T>()), T(-0.57721566490153286555), 0.5); }
NT2_TEST_CASE_TPL ( digamma_real, NT2_REAL_TYPES) { using nt2::digamma; using nt2::tag::digamma_; typedef typename nt2::meta::call<digamma_(T)>::type r_t; typedef T wished_r_t; // return type conformity test NT2_TEST_TYPE_IS(r_t, wished_r_t); // specific values tests NT2_TEST_ULP_EQUAL(digamma(nt2::Zero<T>()), nt2::Inf<T>(), 0.5); NT2_TEST_ULP_EQUAL(digamma(nt2::Mzero<T>()), nt2::Minf<T>(), 0.5); NT2_TEST_ULP_EQUAL(digamma(nt2::One<T>()), boost::math::digamma(nt2::One<T>()), 0.5); NT2_TEST_ULP_EQUAL(digamma(T(1.4669020846486091614)),T(boost::math::digamma(double(T(1.4669020846486091614)))), 0.5); NT2_TEST_ULP_EQUAL(digamma(T(1.461632133e+00)), T(boost::math::digamma(double(T(1.461632133e+00)))), 7.5); NT2_TEST_ULP_EQUAL(digamma(T(-3.5)), T(boost::math::digamma(double(T(-3.5)))), 0.5); NT2_TEST_ULP_EQUAL(digamma(T(-3.51)), T(boost::math::digamma(double(T(-3.51)))), 0.5); NT2_TEST_ULP_EQUAL(digamma(T(-6)), nt2::Nan<T>(), 0.5); NT2_TEST_ULP_EQUAL(digamma(T(6)) , T(1.706117668431801e+00), 1); // NT2_TEST_ULP_EQUAL(digamma(T(-1.221245221e-15)), T(8.188363203e+14), 0.5); // NT2_TEST_ULP_EQUAL(digamma(T(-1.221245221e-15)), T(boost::math::digamma(double(T(-1.221245221e-15)))), 0.5); }
NT2_TEST_CASE_TPL ( digamma_real__1_0, NT2_REAL_TYPES) { using nt2::digamma; using nt2::tag::digamma_; typedef typename nt2::meta::as_integer<T>::type iT; typedef typename nt2::meta::call<digamma_(T)>::type r_t; typedef typename nt2::meta::scalar_of<r_t>::type ssr_t; typedef typename nt2::meta::upgrade<T>::type u_t; typedef typename boost::dispatch::meta::as_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(digamma(nt2::One<T>()), T(-0.57721566490153286555), 0.5); } // end of test for floating_
NT2_TEST_CASE_TPL ( digamma_real__1_0, NT2_SIMD_REAL_TYPES) { using nt2::digamma; using nt2::tag::digamma_; 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<digamma_(vT)>::type r_t; typedef typename nt2::meta::call<digamma_(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(2)); 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 = digamma(a0); for(nt2::uint32_t i = 0; i< cardinal_of<n_t>::value; i++) { NT2_TEST_ULP_EQUAL( v[i],ssr_t(nt2::digamma (a0[i])), 2.5); ulp0 = nt2::max(ulpd,ulp0); } } std::cout << "max ulp found is: " << ulp0 << std::endl; } } // end of test for floating_
NT2_TEST_CASE_TPL ( digamma_real__1_0, NT2_SIMD_REAL_TYPES) { using nt2::digamma; using nt2::tag::digamma_; 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<digamma_(vT)>::type r_t; typedef typename nt2::meta::call<digamma_(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(digamma(nt2::One<vT>())[0], T(-0.57721566490153286555), 0.5); } // end of test for floating_