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| Direktori : /proc/thread-self/root/lib/python3/dist-packages/pythran/pythonic/include/numpy/ |
| Current File : //proc/thread-self/root/lib/python3/dist-packages/pythran/pythonic/include/numpy/vstack.hpp |
#ifndef PYTHONIC_INCLUDE_NUMPY_VSTACK_HPP
#define PYTHONIC_INCLUDE_NUMPY_VSTACK_HPP
#include <pythonic/include/numpy/concatenate.hpp>
PYTHONIC_NS_BEGIN
namespace numpy
{
namespace impl
{
template <class T>
using vstack_helper = decltype(concatenate(std::declval<T>(), 0));
}
template <class ArraySequence>
auto vstack(ArraySequence &&seq) ->
typename std::enable_if<(impl::vstack_helper<ArraySequence>::value > 1),
impl::vstack_helper<ArraySequence>>::type;
// according to the numpy.vstack doc:
// Equivalent to ``np.concatenate(tup, axis=0)`` if `tup` contains arrays
// that
// are at least 2-dimensional.
//
// the enable if is there to match this behavior
template <class ArraySequence>
auto vstack(ArraySequence &&seq) -> typename std::enable_if<
(impl::vstack_helper<ArraySequence>::value == 1),
decltype(std::declval<impl::vstack_helper<ArraySequence>>().reshape(
std::declval<types::array<long, 2>>()))>::type;
DEFINE_FUNCTOR(pythonic::numpy, vstack);
}
PYTHONIC_NS_END
#endif