本文整理汇总了C++中nt2::divround方法的典型用法代码示例。如果您正苦于以下问题：C++ nt2::divround方法的具体用法？C++ nt2::divround怎么用？C++ nt2::divround使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类nt2的用法示例。
在下文中一共展示了nt2::divround方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: NT2_TEST_CASE_TPL
NT2_TEST_CASE_TPL ( divround_unsigned_int__2_0, NT2_UNSIGNED_TYPES)
{
using nt2::divround;
using nt2::tag::divround_;
typedef typename nt2::meta::as_integer<T>::type iT;
typedef typename nt2::meta::call<divround_(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::common_type<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(divround(nt2::Five<T>(),nt2::Three<T>()), nt2::Two<r_t>(), 0);
NT2_TEST_ULP_EQUAL(divround(nt2::Four<T>(),nt2::Three<T>()), nt2::One<r_t>(), 0);
NT2_TEST_ULP_EQUAL(divround(nt2::Four<T>(),nt2::Zero<T>()), nt2::Valmax<r_t>(), 0);
NT2_TEST_ULP_EQUAL(divround(nt2::One<T>(), nt2::One<T>()), nt2::One<r_t>(), 0);
} // end of test for unsigned_int_示例2: NT2_TEST_CASE_TPL
NT2_TEST_CASE_TPL ( divround_all_types, NT2_SIMD_TYPES)
{
using nt2::divround;
using nt2::tag::divround_;
using boost::simd::native;
typedef NT2_SIMD_DEFAULT_EXTENSION ext_t;
typedef native<T,ext_t> nT;
typedef typename nt2::meta::call<divround_(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] = divround(in1[i], in2[i]);
NT2_COVER_ULP_EQUAL(divround_, ((nT, in1))((nT, in2)), ref, 0);
}示例3: NT2_TEST_CASE_TPL
NT2_TEST_CASE_TPL ( divround_real__2_0, NT2_SIMD_REAL_TYPES)
{
using nt2::divround;
using nt2::tag::divround_;
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<divround_(vT,vT)>::type r_t;
typedef typename nt2::meta::call<divround_(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, T(-10), T(10));
NT2_CREATE_BUF(tab_a1,T, NR, T(-10), T(10));
double ulp0, ulpd ; ulpd=ulp0=0.0;
for(nt2::uint32_t j = 0; j < NR/cardinal_of<n_t>::value; j++)
{
vT a0 = load<vT>(&tab_a0[0],j);
vT a1 = load<vT>(&tab_a1[0],j);
r_t v = divround(a0,a1);
for(int i = 0; i< cardinal_of<n_t>::value; i++)
{
int k = i+j*cardinal_of<n_t>::value;
NT2_TEST_ULP_EQUAL( v[i],ssr_t(nt2::divround (tab_a0[k],tab_a1[k])), 2.5);
ulp0 = nt2::max(ulpd,ulp0);
}
}
std::cout << "max ulp found is: " << ulp0 << std::endl;
}
} // end of test for real_