NT2_TEST_CASE_TPL ( cscd_signed_int__1_0, NT2_INTEGRAL_SIGNED_TYPES)
{
using nt2::cscd;
using nt2::tag::cscd_;
typedef typename nt2::meta::as_integer<T>::type iT;
typedef typename nt2::meta::call<cscd_(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(cscd(-nt2::_45<T>()), -nt2::Sqrt_2<r_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(-nt2::_90<T>()), nt2::Mone<r_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(nt2::Zero<T>()), nt2::Nan<r_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(nt2::_45<T>()), nt2::Sqrt_2<r_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(nt2::_90<T>()), nt2::One<r_t>(), 0.5);
} // end of test for signed_int_
NT2_TEST_CASE_TPL ( cscd_unsigned_int__1_0, NT2_UNSIGNED_TYPES)
{
using nt2::cscd;
using nt2::tag::cscd_;
typedef typename nt2::meta::as_integer<T>::type iT;
typedef typename nt2::meta::call<cscd_(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;
// specific values tests
NT2_TEST_ULP_EQUAL(cscd(nt2::Zero<T>()), nt2::Inf<r_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(nt2::_180<T>()), nt2::Nan<r_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(nt2::_45<T>()), nt2::Sqrt_2<r_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(nt2::_90<T>()), nt2::One<r_t>(), 0.5);
} // end of test for unsigned_int_
NT2_TEST_CASE_TPL ( cscd_real__1_0, NT2_SIMD_REAL_TYPES)
{
using nt2::cscd;
using nt2::tag::cscd_;
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<cscd_(vT)>::type r_t;
typedef typename nt2::meta::call<cscd_(T)>::type sr_t;
typedef typename nt2::meta::scalar_of<r_t>::type ssr_t;
// specific values tests
NT2_TEST_ULP_EQUAL(cscd(-nt2::Zero<vT>())[0], nt2::Minf<sr_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(-nt2::_180<vT>())[0], nt2::Nan<sr_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(-nt2::_45<vT>())[0], -nt2::Sqrt_2<sr_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(-nt2::_90<vT>())[0], nt2::Mone<sr_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(nt2::Inf<vT>())[0], nt2::Nan<sr_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(nt2::Minf<vT>())[0], nt2::Nan<sr_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(nt2::Nan<vT>())[0], nt2::Nan<sr_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(nt2::Zero<vT>())[0], nt2::Inf<sr_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(nt2::_180<vT>())[0], nt2::Nan<sr_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(nt2::_45<vT>())[0], nt2::Sqrt_2<sr_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(nt2::_90<vT>())[0], nt2::One<sr_t>(), 0.5);
} // end of test for floating_
NT2_TEST_CASE_TPL ( cscd_real__1_0, NT2_REAL_TYPES)
{
using nt2::cscd;
using nt2::tag::cscd_;
typedef typename nt2::meta::as_integer<T>::type iT;
typedef typename nt2::meta::call<cscd_(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(cscd(-nt2::Zero<T>()), nt2::Minf<r_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(-nt2::_180<T>()), nt2::Nan<r_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(-nt2::_45<T>()), -nt2::Sqrt_2<r_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(-nt2::_90<T>()), nt2::Mone<r_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(nt2::Inf<T>()), nt2::Nan<r_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(nt2::Minf<T>()), nt2::Nan<r_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(nt2::Nan<T>()), nt2::Nan<r_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(nt2::Zero<T>()), nt2::Inf<r_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(nt2::_180<T>()), nt2::Nan<r_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(nt2::_45<T>()), nt2::Sqrt_2<r_t>(), 0.5);
NT2_TEST_ULP_EQUAL(cscd(nt2::_90<T>()), nt2::One<r_t>(), 0.5);
// random verifications
static const uint32_t NR = NT2_NB_RANDOM_TEST;
{
NT2_CREATE_BUF(tab_a0,T, NR, T(-79), T(79));
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::cscd(a0),1.0l/(::cephes_sinl(nt2::long_deginrad*(a0))),1.0);
ulp0=nt2::max(ulpd,ulp0);
}
std::cout << "max ulp found is: " << ulp0 << std::endl;
}
} // end of test for real_
