本文整理汇总了C++中types::ndarray::end方法的典型用法代码示例。如果您正苦于以下问题：C++ ndarray::end方法的具体用法？C++ ndarray::end怎么用？C++ ndarray::end使用的例子？那么恭喜您, 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types::ndarray的用法示例。
在下文中一共展示了ndarray::end方法的4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: ValueError
types::ndarray<T,N - 1>
prod(types::ndarray<T,N> const& array, long axis)
{
if(axis<0 || axis >=long(N))
throw types::ValueError("axis out of bounds");
auto shape = array.shape;
if(axis==0)
{
types::array<long, N> shp;
shp[0] = 1;
std::copy(shape.begin() + 1, shape.end(), shp.begin() + 1);
types::ndarray<T,N> out(shp, 1);
return std::accumulate(array.begin(), array.end(), *out.begin(), proxy::multiply());
}
else
{
types::array<long, N-1> shp;
std::copy(shape.begin(), shape.end() - 1, shp.begin());
types::ndarray<T,N-1> prody(shp, __builtin__::None);
std::transform(array.begin(), array.end(), prody.begin(), [=](types::ndarray<T,N-1> const& other) {return prod(other, axis-1);});
return prody;
}
}示例2: ValueError
types::ndarray<T,N - 1 >
max(types::ndarray<T,N> const& array, long axis)
{
if(axis<0 || axis >=long(N))
throw types::ValueError("axis out of bounds");
auto shape = array.shape;
if(axis==0)
{
types::array<long, N> shp;
shp[0] = 1;
std::copy(shape.begin() + 1, shape.end(), shp.begin() + 1);
types::ndarray<T,N> out(shp, std::numeric_limits<T>::lowest());
return std::accumulate(array.begin(), array.end(), *out.begin(), numpy::proxy::maximum());
}
else
{
types::array<long, N-1> shp;
std::copy(shape.begin(), shape.end() - 1, shp.begin());
types::ndarray<T,N-1> maxy(shp, __builtin__::None);
std::transform(array.begin(), array.end(), maxy.begin(), [=](types::ndarray<T,N-1> const& other) {return max(other, axis-1);});
return maxy;
}
}示例3: out
typename std::enable_if<types::is_iterable<I>::value,
types::list<types::ndarray<T, N>>>::type
array_split(types::ndarray<T, N> const &a, I const &split_mask)
{
long sz = std::distance(a.begin(), a.end());
types::list<types::ndarray<T, N>> out(1 + split_mask.flat_size());
long index = 0;
auto inserter = out.begin();
for (auto next_index : split_mask) {
*inserter++ = a[types::contiguous_slice(index, next_index)];
index = next_index;
}
*inserter = a[types::contiguous_slice(index, sz)];
return out;
}示例4: ValueError
types::ndarray<typename types::numpy_type<dtype>::type,N> cumprod(types::ndarray<T,N> const& expr, long axis, dtype d = dtype()) {
if(axis<0 || axis >=long(N))
throw types::ValueError("axis out of bounds");
auto shape = expr.shape;
types::ndarray<typename types::numpy_type<dtype>::type,N> cumprody(shape, __builtin__::None);
if(axis==0) {
std::copy(expr.buffer, expr.buffer + shape[N-1], cumprody.buffer);
std::transform(cumprody.begin(), cumprody.end()-1, expr.begin() + 1, cumprody.begin() + 1, std::multiplies<types::ndarray<T,N-1>>());
}
else {
std::transform(expr.begin(), expr.end(), cumprody.begin(), [=](types::ndarray<T,N-1> const& e) { return cumprod(e, axis-1, d); });
}
return cumprody;
}