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_
