NT2_TEST_CASE_TPL ( divfloor_real__2_0, NT2_SIMD_REAL_TYPES)
{
using nt2::divfloor;
using nt2::tag::divfloor_;
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<divfloor_(vT,vT)>::type r_t;
typedef typename nt2::meta::call<divfloor_(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(divfloor(nt2::Four<vT>(),nt2::Three<vT>())[0], nt2::One<sr_t>(), 0);
NT2_TEST_ULP_EQUAL(divfloor(nt2::Four<vT>(),nt2::Zero<vT>())[0], nt2::Inf<sr_t>(), 0);
NT2_TEST_ULP_EQUAL(divfloor(nt2::Inf<vT>(), nt2::Inf<vT>())[0], nt2::Nan<sr_t>(), 0);
NT2_TEST_ULP_EQUAL(divfloor(nt2::Minf<vT>(), nt2::Minf<vT>())[0], nt2::Nan<sr_t>(), 0);
NT2_TEST_ULP_EQUAL(divfloor(nt2::Mone<vT>(), nt2::Mone<vT>())[0], nt2::One<sr_t>(), 0);
NT2_TEST_ULP_EQUAL(divfloor(nt2::Nan<vT>(), nt2::Nan<vT>())[0], nt2::Nan<sr_t>(), 0);
NT2_TEST_ULP_EQUAL(divfloor(nt2::One<vT>(), nt2::One<vT>())[0], nt2::One<sr_t>(), 0);
} // end of test for floating_
NT2_TEST_CASE_TPL ( divfloor_signed_int__2_0, NT2_INTEGRAL_SIGNED_TYPES)
{
using nt2::divfloor;
using nt2::tag::divfloor_;
typedef typename nt2::meta::as_integer<T>::type iT;
typedef typename nt2::meta::call<divfloor_(T,T)>::type r_t;
typedef typename nt2::meta::upgrade<T>::type u_t;
typedef typename boost::result_of<nt2::meta::arithmetic(T,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(divfloor(4,3), 1, 0);
NT2_TEST_ULP_EQUAL(divfloor(T(4),T(0)), 0, 0);
NT2_TEST_ULP_EQUAL(divfloor(nt2::Mone<T>(), nt2::Mone<T>()), nt2::One<T>(), 0);
NT2_TEST_ULP_EQUAL(divfloor(nt2::One<T>(), nt2::One<T>()), nt2::One<T>(), 0);
// random verifications
static const uint32_t NR = NT2_NB_RANDOM_TEST;
{
NT2_CREATE_BUF(tab_a0,T, NR, -100, 100);
NT2_CREATE_BUF(tab_a1,T, NR, -100, 100);
double ulp0, ulpd ; ulpd=ulp0=0.0;
T a0;
T a1;
for (uint32_t j =0; j < NR; ++j )
{
std::cout << "for params "
<< " a0 = "<< u_t(a0 = tab_a0[j])
<< ", a1 = "<< u_t(a1 = tab_a1[j])
<< std::endl;
NT2_TEST_ULP_EQUAL( nt2::divfloor(a0,a1),r_t(a1 ? nt2::floor((1.0*a0)/a1) : 0),0);
ulp0=nt2::max(ulpd,ulp0);
}
std::cout << "max ulp found is: " << ulp0 << std::endl;
}
} // end of test for signed_int_
NT2_TEST_CASE_TPL ( divfloor_real_types, NT2_SIMD_REAL_TYPES)
{
using nt2::divfloor;
using nt2::tag::divfloor_;
using boost::simd::native;
typedef NT2_SIMD_DEFAULT_EXTENSION ext_t;
typedef native<T,ext_t> nT;
typedef typename nt2::meta::call<divfloor_(T, T)>::type r_t;
// random verifications
nt2::uint32_t NR = NT2_NB_RANDOM_TEST;
std::vector<T> in1(NR), in2(NR);
nt2::roll(in1, nt2::Valmin<T>()/2, nt2::Valmax<T>()/2);
nt2::roll(in2, nt2::Valmin<T>()/2, nt2::Valmax<T>()/2);
std::vector<r_t> ref(NR);
for(nt2::uint32_t i=0; i < NR ; ++i) ref[i] = divfloor(in1[i], in2[i]);
NT2_COVER_ULP_EQUAL(divfloor_, ((nT, in1))((nT, in2)), ref, 0);
}
