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#ifndef PYTHONIC_NUMPY_ARRAYEQUIV_HPP
#define PYTHONIC_NUMPY_ARRAYEQUIV_HPP

#include "pythonic/include/numpy/array_equiv.hpp"

#include "pythonic/numpy/array_equal.hpp"
#include "pythonic/numpy/asarray.hpp"

PYTHONIC_NS_BEGIN

namespace numpy
{
  namespace
  {
    template <class I0, class U>
    bool _array_equiv(I0 vbegin, I0 vend, U const &uu)
    {
      for (; vbegin != vend; ++vbegin)
        if (!array_equiv(uu, *vbegin))
          return false;
      return true;
    }
  }

  template <class U, class V>
  typename std::enable_if<U::value == V::value, bool>::type
  array_equiv(U const &u, V const &v)
  {
    return array_equal(u, v);
  }

  template <class U, class V>
      typename std::enable_if <
      U::value<V::value, bool>::type array_equiv(U const &u, V const &v)
  {
    if (v.flat_size() % u.flat_size() == 0)
      // requires allocation for u' as it is used multiple times.
      return _array_equiv(v.begin(), v.end(), asarray(u));
    return false;
  }

  template <class U, class V>
  typename std::enable_if<(U::value > V::value), bool>::type
  array_equiv(U const &u, V const &v)
  {
    return array_equiv(v, u);
  }
}
PYTHONIC_NS_END

#endif

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