NT2_TEST_CASE_TPL ( atan2_real__2_0, NT2_SIMD_REAL_TYPES) { using nt2::atan2; using nt2::tag::atan2_; using boost::simd::native; using nt2::meta::cardinal_of; using nt2::aligned_load; typedef BOOST_SIMD_DEFAULT_EXTENSION ext_t; typedef native<T,ext_t> vT; static const nt2::uint32_t NR = NT2_NB_RANDOM_TEST; { NT2_CREATE_BUF(tab_a0,T, NR, nt2::Zero<T>(), nt2::One<T>()); NT2_CREATE_BUF(tab_a1,T, NR, nt2::Zero<T>(), nt2::One<T>()); for(nt2::uint32_t j = 0; j < NR;j+=cardinal_of<vT>::value) { vT a0 = aligned_load<vT>(&tab_a0[0],j); vT a1 = aligned_load<vT>(&tab_a1[0],j); vT v = atan2(a0,a1); for(nt2::uint32_t i = 0; i< cardinal_of<vT>::value; i++) { NT2_TEST_ULP_EQUAL( v[i],T(nt2::atan2 (a0[i],a1[i])), 1); } } } } // end of test for floating_
NT2_TEST_CASE_TPL ( atan2_unsigned_int__2_0, NT2_UNSIGNED_TYPES) { using nt2::atan2; using nt2::tag::atan2_; typedef typename nt2::meta::as_integer<T>::type iT; typedef typename nt2::meta::call<atan2_(T,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::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(atan2(nt2::One<T>(), nt2::One<T>()), nt2::Pi<r_t>()/4, 0.5); NT2_TEST_ULP_EQUAL(atan2(nt2::Zero<T>(), nt2::Zero<T>()), nt2::Zero<r_t>(), 0.5); } // end of test for unsigned_int_
NT2_TEST_CASE_TPL ( atan2_int_convert__2_0, NT2_SIMD_INT_CONVERT_TYPES) { using nt2::atan2; using nt2::tag::atan2_; 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<atan2_(vT,vT)>::type r_t; typedef typename nt2::meta::call<atan2_(T,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(atan2(nt2::One<vT>(), nt2::One<vT>())[0], nt2::Pi<sr_t>()/4, 0.5); NT2_TEST_ULP_EQUAL(atan2(nt2::Zero<vT>(), nt2::Zero<vT>())[0], nt2::Zero<sr_t>(), 0.5); } // end of test for int_convert_
NT2_TEST_CASE_TPL ( atan2_int_convert__2_0, NT2_SIMD_INT_CONVERT_TYPES) { using nt2::atan2; using nt2::tag::atan2_; 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<atan2_(vT,vT)>::type r_t; typedef typename nt2::meta::call<atan2_(T,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, nt2::Zero<T>(), nt2::One<T>()); NT2_CREATE_BUF(tab_a1,T, NR, nt2::Zero<T>(), nt2::One<T>()); 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); vT a1 = load<vT>(&tab_a1[0],j); r_t v = atan2(a0,a1); for(nt2::uint32_t i = 0; i< cardinal_of<n_t>::value; i++) { NT2_TEST_ULP_EQUAL( v[i],ssr_t(nt2::atan2 (a0[i],a1[i])), 1); ulp0 = nt2::max(ulpd,ulp0); } } std::cout << "max ulp found is: " << ulp0 << std::endl; } } // end of test for int_convert_