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Implemented comparison operators on array_view.

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Neil MacIntosh
2015-08-27 18:13:49 -07:00
parent 3c9dc3b824
commit 9f9fad9620
2 changed files with 145 additions and 8 deletions
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42
include/array_view.h
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@@ -1420,11 +1420,42 @@ public:
}
template <typename OtherValueType, typename OtherBoundsType, typename Dummy = std::enable_if_t<std::is_same<std::remove_cv_t<value_type>, std::remove_cv_t<OtherValueType>>::value>>
_CONSTEXPR auto operator == (const basic_array_view<OtherValueType, OtherBoundsType> & other) const -> decltype(this->m_pdata == other.m_pdata && this->m_bounds == other.m_bounds) _NOEXCEPT
_CONSTEXPR bool operator== (const basic_array_view<OtherValueType, OtherBoundsType> & other) const _NOEXCEPT
{
return m_pdata == other.m_pdata && m_bounds == other.m_bounds;
return m_bounds.size() == other.m_bounds.size() &&
(m_pdata == other.m_pdata || std::equal(this->begin(), this->end(), other.begin(), other.end()));
}
template <typename OtherValueType, typename OtherBoundsType, typename Dummy = std::enable_if_t<std::is_same<std::remove_cv_t<value_type>, std::remove_cv_t<OtherValueType>>::value>>
_CONSTEXPR bool operator!= (const basic_array_view<OtherValueType, OtherBoundsType> & other) const _NOEXCEPT
{
return !(*this == other);
}
template <typename OtherValueType, typename OtherBoundsType, typename Dummy = std::enable_if_t<std::is_same<std::remove_cv_t<value_type>, std::remove_cv_t<OtherValueType>>::value>>
_CONSTEXPR bool operator< (const basic_array_view<OtherValueType, OtherBoundsType> & other) const _NOEXCEPT
{
return std::lexicographical_compare(this->begin(), this->end(), other.begin(), other.end());
}
template <typename OtherValueType, typename OtherBoundsType, typename Dummy = std::enable_if_t<std::is_same<std::remove_cv_t<value_type>, std::remove_cv_t<OtherValueType>>::value>>
_CONSTEXPR bool operator<= (const basic_array_view<OtherValueType, OtherBoundsType> & other) const _NOEXCEPT
{
return !(other < *this);
}
template <typename OtherValueType, typename OtherBoundsType, typename Dummy = std::enable_if_t<std::is_same<std::remove_cv_t<value_type>, std::remove_cv_t<OtherValueType>>::value>>
_CONSTEXPR bool operator> (const basic_array_view<OtherValueType, OtherBoundsType> & other) const _NOEXCEPT
{
return (other < *this);
}
template <typename OtherValueType, typename OtherBoundsType, typename Dummy = std::enable_if_t<std::is_same<std::remove_cv_t<value_type>, std::remove_cv_t<OtherValueType>>::value>>
_CONSTEXPR bool operator>= (const basic_array_view<OtherValueType, OtherBoundsType> & other) const _NOEXCEPT
{
return !(*this < other);
}
public:
template <typename OtherValueType, typename OtherBounds,
typename Dummy = std::enable_if_t<std::is_convertible<OtherValueType(*)[], value_type(*)[]>::value
@@ -1795,6 +1826,13 @@ public:
{
return { &this->operator[](origin), strided_bounds<rank, size_type> {extents, details::make_stride(Base::bounds())}};
}
using Base::operator==;
using Base::operator!=;
using Base::operator<;
using Base::operator<=;
using Base::operator>;
using Base::operator>=;
};
template <typename T, size_t... Dimensions>