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Merge pull request #154 from annagrin/dev/annagrin/remove_rank1_specialization

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Removed specializations for Rank=1
This commit is contained in:
Neil MacIntosh 2015-10-19 14:45:15 -07:00
commit 2f25ace31f
1 changed files with 8 additions and 263 deletions
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271
include/array_view.h
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@ -74,6 +74,13 @@ namespace details
{ {
static const SizeType max_value = std::numeric_limits<SizeType>::max(); static const SizeType max_value = std::numeric_limits<SizeType>::max();
}; };
template<typename... Ts>
class are_integral : public std::integral_constant<bool, true> {};
template<typename T, typename... Ts>
class are_integral<T, Ts...> : public std::integral_constant<bool, std::is_integral<T>::value && are_integral<Ts...>::value> {};
} }
template <size_t Rank, typename ValueType = size_t> template <size_t Rank, typename ValueType = size_t>
@ -99,7 +106,7 @@ public:
std::copy(values, values + Rank, elems); std::copy(values, values + Rank, elems);
} }
template<typename... Ts, bool Enabled = (sizeof...(Ts) == Rank), typename Dummy = std::enable_if_t<Enabled, bool>> template<typename... Ts, bool Enabled1 = (sizeof...(Ts) == Rank), bool Enabled2 = details::are_integral<Ts...>::value, typename Dummy = std::enable_if_t<Enabled1 && Enabled2, bool>>
constexpr index(Ts... ds) noexcept : elems{ static_cast<value_type>(ds)... } constexpr index(Ts... ds) noexcept : elems{ static_cast<value_type>(ds)... }
{} {}
@ -227,142 +234,6 @@ private:
value_type elems[Rank] = {}; value_type elems[Rank] = {};
}; };
template <typename ValueType>
class index<1, ValueType>
{
template <size_t, typename OtherValueType>
friend class index;
public:
static const size_t rank = 1;
using value_type = std::remove_reference_t<ValueType>;
using reference = std::add_lvalue_reference_t<value_type>;
using const_reference = std::add_lvalue_reference_t<std::add_const_t<value_type>>;
constexpr index() noexcept : value(0)
{}
constexpr index(value_type e) noexcept : value(e)
{}
constexpr index(const value_type(&values)[1]) noexcept : index(values[0])
{}
constexpr index(const index &) noexcept = default;
template <typename OtherValueType,
bool Enabled = (details::SizeTypeTraits<OtherValueType>::max_value <= details::SizeTypeTraits<value_type>::max_value),
typename Other = std::enable_if_t<Enabled, index<1, OtherValueType>>>
constexpr index(const index<1, OtherValueType>& other) noexcept
{
value = static_cast<ValueType>(other.value);
}
template <typename OtherValueType,
bool Enabled = (details::SizeTypeTraits<OtherValueType>::max_value > details::SizeTypeTraits<value_type>::max_value),
typename Other = std::enable_if_t<Enabled, index<1, OtherValueType>>>
constexpr index(const index<1, OtherValueType>& other, void* ptr=0) noexcept
{
fail_fast_assert(other.value <= static_cast<OtherValueType>(details::SizeTypeTraits<value_type>::max_value));
value = static_cast<value_type>(other.value);
}
// Preconditions: component_idx < 1
constexpr reference operator[](value_type component_idx) noexcept
{
fail_fast_assert(component_idx == 0, "Component index must be less than rank");
(void)(component_idx);
return value;
}
// Preconditions: component_idx < 1
constexpr const_reference operator[](value_type component_idx) const noexcept
{
fail_fast_assert(component_idx == 0, "Component index must be less than rank");
(void)(component_idx);
return value;
}
constexpr bool operator==(const index& rhs) const noexcept
{
return value == rhs.value;
}
constexpr bool operator!=(const index& rhs) const noexcept
{
return !(*this == rhs);
}
constexpr index operator+() const noexcept
{
return *this;
}
constexpr index operator-() const noexcept
{
return index(-value);
}
constexpr index operator+(const index& rhs) const noexcept
{
return index(value + rhs.value);
}
constexpr index operator-(const index& rhs) const noexcept
{
return index(value - rhs.value);
}
constexpr index& operator+=(const index& rhs) noexcept
{
value += rhs.value;
return *this;
}
constexpr index& operator-=(const index& rhs) noexcept
{
value -= rhs.value;
return *this;
}
constexpr index& operator++() noexcept
{
++value;
return *this;
}
constexpr index operator++(int) noexcept
{
index ret = *this;
++(*this);
return ret;
}
constexpr index& operator--() noexcept
{
--value;
return *this;
}
constexpr index operator--(int) noexcept
{
index ret = *this;
--(*this);
return ret;
}
constexpr index operator*(value_type v) const noexcept
{
return index(value * v);
}
constexpr index operator/(value_type v) const noexcept
{
return index(value / v);
}
constexpr index& operator*=(value_type v) noexcept
{
value *= v;
return *this;
}
constexpr index& operator/=(value_type v) noexcept
{
value /= v;
return *this;
}
friend constexpr index operator*(value_type v, const index& rhs) noexcept
{
return{ rhs * v };
}
private:
value_type value;
};
#ifndef _MSC_VER #ifndef _MSC_VER
struct static_bounds_dynamic_range_t struct static_bounds_dynamic_range_t
@ -1128,132 +999,6 @@ private:
std::remove_const_t<value_type> curr; std::remove_const_t<value_type> curr;
}; };
template <typename SizeType>
class bounds_iterator<index<1, SizeType>> : public std::iterator<std::random_access_iterator_tag, index<1, SizeType>>
{
using Base = std::iterator<std::random_access_iterator_tag, index<1, SizeType>>;
public:
using typename Base::reference;
using typename Base::pointer;
using typename Base::difference_type;
using typename Base::value_type;
using index_type = value_type;
using index_size_type = typename index_type::value_type;
template <typename Bounds>
constexpr explicit bounds_iterator(const Bounds&, value_type curr) noexcept
: curr(std::move(curr))
{}
constexpr reference operator*() const noexcept
{
return curr;
}
constexpr pointer operator->() const noexcept
{
&curr;
}
constexpr bounds_iterator& operator++() noexcept
{
++curr;
return *this;
}
constexpr bounds_iterator operator++(int) noexcept
{
auto ret = *this;
++(*this);
return ret;
}
constexpr bounds_iterator& operator--() noexcept
{
curr--;
return *this;
}
constexpr bounds_iterator operator--(int) noexcept
{
auto ret = *this;
--(*this);
return ret;
}
constexpr bounds_iterator operator+(difference_type n) const noexcept
{
bounds_iterator ret{ *this };
return ret += n;
}
constexpr bounds_iterator& operator+=(difference_type n) noexcept
{
curr += n;
return *this;
}
constexpr bounds_iterator operator-(difference_type n) const noexcept
{
bounds_iterator ret{ *this };
return ret -= n;
}
constexpr bounds_iterator& operator-=(difference_type n) noexcept
{
return *this += -n;
}
constexpr difference_type operator-(const bounds_iterator& rhs) const noexcept
{
return curr[0] - rhs.curr[0];
}
constexpr reference operator[](difference_type n) const noexcept
{
return curr + n;
}
constexpr bool operator==(const bounds_iterator& rhs) const noexcept
{
return curr == rhs.curr;
}
constexpr bool operator!=(const bounds_iterator& rhs) const noexcept
{
return !(*this == rhs);
}
constexpr bool operator<(const bounds_iterator& rhs) const noexcept
{
return curr[0] < rhs.curr[0];
}
constexpr bool operator<=(const bounds_iterator& rhs) const noexcept
{
return !(rhs < *this);
}
constexpr bool operator>(const bounds_iterator& rhs) const noexcept
{
return rhs < *this;
}
constexpr bool operator>=(const bounds_iterator& rhs) const noexcept
{
return !(rhs > *this);
}
constexpr void swap(bounds_iterator& rhs) noexcept
{
std::swap(curr, rhs.curr);
}
private:
std::remove_const_t<value_type> curr;
};
template <typename IndexType> template <typename IndexType>
bounds_iterator<IndexType> operator+(typename bounds_iterator<IndexType>::difference_type n, const bounds_iterator<IndexType>& rhs) noexcept bounds_iterator<IndexType> operator+(typename bounds_iterator<IndexType>::difference_type n, const bounds_iterator<IndexType>& rhs) noexcept
{ {