mirror of
https://github.com/microsoft/GSL.git
synced 2024-11-03 17:56:43 -05:00
Merge branch 'master' of https://github.com/Microsoft/GSL
Conflicts: include/array_view.h tests/array_view_tests.cpp
This commit is contained in:
Neil MacIntosh
commit
a4fa2b3bd9
@ -1,4 +1,4 @@
|
||||
# GSL: Guidelines Support Library [](https://travis-ci.org/Microsoft/GSL)
|
||||
# GSL: Guidelines Support Library [](https://travis-ci.org/Microsoft/GSL) [](https://ci.appveyor.com/project/neilmacintosh/GSL)
|
||||
|
||||
The Guidelines Support Library (GSL) contains functions and types that are suggested for use by the
|
||||
[C++ Core Guidelines](https://github.com/isocpp/CppCoreGuidelines) maintained by the [Standard C++ Foundation](https://isocpp.org).
|
||||
|
||||
@ -30,6 +30,7 @@
|
||||
#include <array>
|
||||
#include <iterator>
|
||||
#include <algorithm>
|
||||
#include <functional>
|
||||
#include "fail_fast.h"
|
||||
|
||||
#ifdef _MSC_VER
|
||||
@ -68,24 +69,18 @@ namespace gsl {
|
||||
*/
|
||||
namespace details
|
||||
{
|
||||
template <typename T>
|
||||
class arrow_proxy
|
||||
template <typename SizeType>
|
||||
struct SizeTypeTraits
|
||||
{
|
||||
public:
|
||||
explicit arrow_proxy(T t)
|
||||
: val(t)
|
||||
{}
|
||||
const T operator*() const noexcept
|
||||
{
|
||||
return val;
|
||||
}
|
||||
const T* operator->() const noexcept
|
||||
{
|
||||
return &val;
|
||||
}
|
||||
private:
|
||||
T val;
|
||||
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>
|
||||
@ -111,14 +106,12 @@ public:
|
||||
std::copy(values, values + Rank, elems);
|
||||
}
|
||||
|
||||
// Preconditions: il.size() == rank
|
||||
constexpr index(std::initializer_list<value_type> il) noexcept
|
||||
{
|
||||
fail_fast_assert(il.size() == Rank, "The size of the initializer list must match the rank of the array");
|
||||
std::copy(begin(il), end(il), elems);
|
||||
}
|
||||
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(const index& other) noexcept = default;
|
||||
|
||||
constexpr index& operator=(const index& rhs) noexcept = default;
|
||||
|
||||
// Preconditions: component_idx < rank
|
||||
@ -218,144 +211,46 @@ private:
|
||||
value_type elems[Rank] = {};
|
||||
};
|
||||
|
||||
template<>
|
||||
class index<1>
|
||||
#ifndef _MSC_VER
|
||||
|
||||
struct static_bounds_dynamic_range_t
|
||||
{
|
||||
public:
|
||||
static const size_t rank = 1;
|
||||
using size_type = std::ptrdiff_t;
|
||||
using value_type = std::ptrdiff_t;
|
||||
using reference = std::add_lvalue_reference_t<std::ptrdiff_t>;
|
||||
using const_reference = const std::ptrdiff_t&;//std::add_const_t<std::add_lvalue_reference_t<std::ptrdiff_t>>;
|
||||
|
||||
template <size_t>
|
||||
friend class index;
|
||||
|
||||
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;
|
||||
|
||||
// Preconditions: component_idx < rank
|
||||
constexpr reference operator[](size_type component_idx) noexcept
|
||||
template <typename T, typename Dummy = std::enable_if_t<std::is_integral<T>::value>>
|
||||
constexpr operator T() const noexcept
|
||||
{
|
||||
fail_fast_assert(component_idx == 0, "Component index must be less than rank");
|
||||
return value;
|
||||
return static_cast<T>(-1);
|
||||
}
|
||||
|
||||
// Preconditions: component_idx < rank
|
||||
constexpr const_reference operator[](size_type component_idx) const noexcept
|
||||
template <typename T, typename Dummy = std::enable_if_t<std::is_integral<T>::value>>
|
||||
constexpr bool operator ==(T other) const noexcept
|
||||
{
|
||||
fail_fast_assert(component_idx == 0, "Component index must be less than rank");
|
||||
return value;
|
||||
return static_cast<T>(-1) == other;
|
||||
}
|
||||
|
||||
constexpr bool operator==(const index& rhs) const noexcept
|
||||
template <typename T, typename Dummy = std::enable_if_t<std::is_integral<T>::value>>
|
||||
constexpr bool operator !=(T other) const noexcept
|
||||
{
|
||||
return value == rhs.value;
|
||||
return static_cast<T>(-1) != other;
|
||||
}
|
||||
|
||||
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;
|
||||
};
|
||||
|
||||
template <typename T, typename Dummy = std::enable_if_t<std::is_integral<T>::value>>
|
||||
constexpr bool operator ==(T left, static_bounds_dynamic_range_t right) noexcept
|
||||
{
|
||||
return right == left;
|
||||
}
|
||||
|
||||
template <typename T, typename Dummy = std::enable_if_t<std::is_integral<T>::value>>
|
||||
constexpr bool operator !=(T left, static_bounds_dynamic_range_t right) noexcept
|
||||
{
|
||||
return right != left;
|
||||
}
|
||||
|
||||
constexpr static_bounds_dynamic_range_t dynamic_range{};
|
||||
#else
|
||||
const std::ptrdiff_t dynamic_range = -1;
|
||||
#endif
|
||||
|
||||
struct generalized_mapping_tag {};
|
||||
struct contiguous_mapping_tag : generalized_mapping_tag {};
|
||||
@ -652,12 +547,13 @@ public:
|
||||
|
||||
using size_type = std::ptrdiff_t;
|
||||
using index_type = index<rank>;
|
||||
using iterator = bounds_iterator<index_type>;
|
||||
using const_iterator = bounds_iterator<index_type>;
|
||||
using const_index_type = std::add_const_t<index_type>;
|
||||
using iterator = bounds_iterator<const_index_type>;
|
||||
using const_iterator = bounds_iterator<const_index_type>;
|
||||
using difference_type = std::ptrdiff_t;
|
||||
using sliced_type = static_bounds<RestRanges...>;
|
||||
using mapping_type = contiguous_mapping_tag;
|
||||
public:
|
||||
|
||||
constexpr static_bounds(const static_bounds&) = default;
|
||||
|
||||
template <std::ptrdiff_t... Ranges, typename Dummy = std::enable_if_t<
|
||||
@ -667,7 +563,7 @@ public:
|
||||
|
||||
constexpr static_bounds(std::initializer_list<size_type> il) : m_ranges(il.begin())
|
||||
{
|
||||
fail_fast_assert(MyRanges::DynamicNum == il.size(), "Size of the initializer list must match the rank of the array");
|
||||
fail_fast_assert((MyRanges::DynamicNum == 0 && il.size() == 1 && *il.begin() == static_size) || MyRanges::DynamicNum == il.size(), "Size of the initializer list must match the rank of the array");
|
||||
fail_fast_assert(m_ranges.totalSize() <= PTRDIFF_MAX, "Size of the range is larger than the max element of the size type");
|
||||
}
|
||||
|
||||
@ -742,7 +638,7 @@ public:
|
||||
|
||||
constexpr const_iterator begin() const noexcept
|
||||
{
|
||||
return const_iterator(*this);
|
||||
return const_iterator(*this, index_type{});
|
||||
}
|
||||
|
||||
constexpr const_iterator end() const noexcept
|
||||
@ -765,9 +661,10 @@ public:
|
||||
using size_type = value_type;
|
||||
using difference_type = value_type;
|
||||
using index_type = index<rank>;
|
||||
using iterator = bounds_iterator<index_type>;
|
||||
using const_iterator = bounds_iterator<index_type>;
|
||||
static const size_t dynamic_rank = rank;
|
||||
using const_index_type = std::add_const_t<index_type>;
|
||||
using iterator = bounds_iterator<const_index_type>;
|
||||
using const_iterator = bounds_iterator<const_index_type>;
|
||||
static const value_type dynamic_rank = rank;
|
||||
static const value_type static_size = dynamic_range;
|
||||
using sliced_type = std::conditional_t<rank != 0, strided_bounds<rank - 1>, void>;
|
||||
using mapping_type = generalized_mapping_tag;
|
||||
@ -850,13 +747,12 @@ public:
|
||||
{
|
||||
return m_extents;
|
||||
}
|
||||
|
||||
const_iterator begin() const noexcept
|
||||
constexpr const_iterator begin() const noexcept
|
||||
{
|
||||
return const_iterator{ *this };
|
||||
return const_iterator{ *this, index_type{} };
|
||||
}
|
||||
|
||||
const_iterator end() const noexcept
|
||||
constexpr const_iterator end() const noexcept
|
||||
{
|
||||
return const_iterator{ *this, index_bounds() };
|
||||
}
|
||||
@ -874,15 +770,11 @@ template <size_t Rank>
|
||||
struct is_bounds<strided_bounds<Rank>> : std::integral_constant<bool, true> {};
|
||||
|
||||
template <typename IndexType>
|
||||
class bounds_iterator
|
||||
: public std::iterator<std::random_access_iterator_tag,
|
||||
IndexType,
|
||||
ptrdiff_t,
|
||||
const details::arrow_proxy<IndexType>,
|
||||
const IndexType>
|
||||
class bounds_iterator: public std::iterator<std::random_access_iterator_tag, IndexType>
|
||||
{
|
||||
private:
|
||||
using Base = std::iterator <std::random_access_iterator_tag, IndexType, ptrdiff_t, const details::arrow_proxy<IndexType>, const IndexType>;
|
||||
using Base = std::iterator <std::random_access_iterator_tag, IndexType>;
|
||||
|
||||
public:
|
||||
static const size_t rank = IndexType::rank;
|
||||
using typename Base::reference;
|
||||
@ -892,79 +784,88 @@ public:
|
||||
using index_type = value_type;
|
||||
using index_size_type = typename IndexType::value_type;
|
||||
template <typename Bounds>
|
||||
explicit bounds_iterator(const Bounds& bnd, value_type curr = value_type{}) noexcept
|
||||
: boundary(bnd.index_bounds())
|
||||
, curr(std::move(curr))
|
||||
explicit bounds_iterator(const Bounds& bnd, value_type curr) noexcept
|
||||
: boundary(bnd.index_bounds()), curr(std::move(curr))
|
||||
{
|
||||
static_assert(is_bounds<Bounds>::value, "Bounds type must be provided");
|
||||
}
|
||||
reference operator*() const noexcept
|
||||
|
||||
constexpr reference operator*() const noexcept
|
||||
{
|
||||
return curr;
|
||||
}
|
||||
pointer operator->() const noexcept
|
||||
|
||||
constexpr pointer operator->() const noexcept
|
||||
{
|
||||
return details::arrow_proxy<value_type>{ curr };
|
||||
return &curr;
|
||||
}
|
||||
bounds_iterator& operator++() noexcept
|
||||
|
||||
constexpr bounds_iterator& operator++() noexcept
|
||||
{
|
||||
for (size_t i = rank; i-- > 0;)
|
||||
{
|
||||
if (++curr[i] < boundary[i])
|
||||
if (curr[i] < boundary[i] - 1)
|
||||
{
|
||||
curr[i]++;
|
||||
return *this;
|
||||
}
|
||||
else
|
||||
{
|
||||
curr[i] = 0;
|
||||
}
|
||||
}
|
||||
// If we're here we've wrapped over - set to past-the-end.
|
||||
for (size_t i = 0; i < rank; ++i)
|
||||
{
|
||||
curr[i] = boundary[i];
|
||||
}
|
||||
curr = boundary;
|
||||
return *this;
|
||||
}
|
||||
bounds_iterator operator++(int) noexcept
|
||||
|
||||
constexpr bounds_iterator operator++(int) noexcept
|
||||
{
|
||||
auto ret = *this;
|
||||
++(*this);
|
||||
return ret;
|
||||
}
|
||||
bounds_iterator& operator--() noexcept
|
||||
|
||||
constexpr bounds_iterator& operator--() noexcept
|
||||
{
|
||||
for (size_t i = rank; i-- > 0;)
|
||||
if (!less(curr, boundary))
|
||||
{
|
||||
if (curr[i]-- > 0)
|
||||
{
|
||||
return *this;
|
||||
}
|
||||
else
|
||||
// if at the past-the-end, set to last element
|
||||
for (size_t i = 0; i < rank; ++i)
|
||||
{
|
||||
curr[i] = boundary[i] - 1;
|
||||
}
|
||||
return *this;
|
||||
}
|
||||
for (size_t i = rank; i-- > 0;)
|
||||
{
|
||||
if (curr[i] >= 1)
|
||||
{
|
||||
curr[i]--;
|
||||
return *this;
|
||||
}
|
||||
curr[i] = boundary[i] - 1;
|
||||
}
|
||||
// If we're here the preconditions were violated
|
||||
// "pre: there exists s such that r == ++s"
|
||||
fail_fast_assert(false);
|
||||
return *this;
|
||||
}
|
||||
bounds_iterator operator--(int) noexcept
|
||||
|
||||
constexpr bounds_iterator operator--(int) noexcept
|
||||
{
|
||||
auto ret = *this;
|
||||
--(*this);
|
||||
return ret;
|
||||
}
|
||||
bounds_iterator operator+(difference_type n) const noexcept
|
||||
|
||||
constexpr bounds_iterator operator+(difference_type n) const noexcept
|
||||
{
|
||||
bounds_iterator ret{ *this };
|
||||
return ret += n;
|
||||
}
|
||||
bounds_iterator& operator+=(difference_type n) noexcept
|
||||
|
||||
constexpr bounds_iterator& operator+=(difference_type n) noexcept
|
||||
{
|
||||
auto linear_idx = linearize(curr) + n;
|
||||
value_type stride;
|
||||
std::remove_const_t<value_type> stride;
|
||||
stride[rank - 1] = 1;
|
||||
for (size_t i = rank - 1; i-- > 0;)
|
||||
{
|
||||
@ -975,76 +876,84 @@ public:
|
||||
curr[i] = linear_idx / stride[i];
|
||||
linear_idx = linear_idx % stride[i];
|
||||
}
|
||||
fail_fast_assert(!less(curr, index_type{}) && !less(boundary, curr), "index is out of bounds of the array");
|
||||
return *this;
|
||||
}
|
||||
bounds_iterator operator-(difference_type n) const noexcept
|
||||
|
||||
constexpr bounds_iterator operator-(difference_type n) const noexcept
|
||||
{
|
||||
bounds_iterator ret{ *this };
|
||||
return ret -= n;
|
||||
}
|
||||
bounds_iterator& operator-=(difference_type n) noexcept
|
||||
|
||||
constexpr bounds_iterator& operator-=(difference_type n) noexcept
|
||||
{
|
||||
return *this += -n;
|
||||
}
|
||||
difference_type operator-(const bounds_iterator& rhs) const noexcept
|
||||
|
||||
constexpr difference_type operator-(const bounds_iterator& rhs) const noexcept
|
||||
{
|
||||
return linearize(curr) - linearize(rhs.curr);
|
||||
}
|
||||
reference operator[](difference_type n) const noexcept
|
||||
|
||||
constexpr value_type operator[](difference_type n) const noexcept
|
||||
{
|
||||
return *(*this + n);
|
||||
}
|
||||
bool operator==(const bounds_iterator& rhs) const noexcept
|
||||
|
||||
constexpr bool operator==(const bounds_iterator& rhs) const noexcept
|
||||
{
|
||||
return curr == rhs.curr;
|
||||
}
|
||||
bool operator!=(const bounds_iterator& rhs) const noexcept
|
||||
|
||||
constexpr bool operator!=(const bounds_iterator& rhs) const noexcept
|
||||
{
|
||||
return !(*this == rhs);
|
||||
}
|
||||
bool operator<(const bounds_iterator& rhs) const noexcept
|
||||
|
||||
constexpr bool operator<(const bounds_iterator& rhs) const noexcept
|
||||
{
|
||||
for (size_t i = 0; i < rank; ++i)
|
||||
{
|
||||
if (curr[i] < rhs.curr[i])
|
||||
return true;
|
||||
return less(curr, rhs.curr);
|
||||
}
|
||||
return false;
|
||||
}
|
||||
bool operator<=(const bounds_iterator& rhs) const noexcept
|
||||
|
||||
constexpr bool operator<=(const bounds_iterator& rhs) const noexcept
|
||||
{
|
||||
return !(rhs < *this);
|
||||
}
|
||||
bool operator>(const bounds_iterator& rhs) const noexcept
|
||||
|
||||
constexpr bool operator>(const bounds_iterator& rhs) const noexcept
|
||||
{
|
||||
return rhs < *this;
|
||||
}
|
||||
bool operator>=(const bounds_iterator& rhs) const noexcept
|
||||
|
||||
constexpr bool operator>=(const bounds_iterator& rhs) const noexcept
|
||||
{
|
||||
return !(rhs > *this);
|
||||
}
|
||||
|
||||
void swap(bounds_iterator& rhs) noexcept
|
||||
{
|
||||
std::swap(boundary, rhs.boundary);
|
||||
std::swap(curr, rhs.curr);
|
||||
}
|
||||
private:
|
||||
index_size_type linearize(const value_type& idx) const noexcept
|
||||
constexpr bool less(index_type& one, index_type& other) const noexcept
|
||||
{
|
||||
for (size_t i = 0; i < rank; ++i)
|
||||
{
|
||||
if (one[i] < other[i])
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
constexpr index_size_type linearize(const value_type& idx) const noexcept
|
||||
{
|
||||
// TODO: Smarter impl.
|
||||
// Check if past-the-end
|
||||
bool pte = true;
|
||||
for (size_t i = 0; i < rank; ++i)
|
||||
{
|
||||
if (idx[i] != boundary[i])
|
||||
{
|
||||
pte = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
index_size_type multiplier = 1;
|
||||
index_size_type res = 0;
|
||||
if (pte)
|
||||
if (!less(idx, boundary))
|
||||
{
|
||||
res = 1;
|
||||
for (size_t i = rank; i-- > 0;)
|
||||
@ -1063,119 +972,9 @@ private:
|
||||
}
|
||||
return res;
|
||||
}
|
||||
|
||||
value_type boundary;
|
||||
value_type curr;
|
||||
};
|
||||
|
||||
template <>
|
||||
class bounds_iterator<index<1>>
|
||||
: public std::iterator<std::random_access_iterator_tag,
|
||||
index<1>,
|
||||
ptrdiff_t,
|
||||
const details::arrow_proxy<index<1>>,
|
||||
const index<1>>
|
||||
{
|
||||
using Base = std::iterator<std::random_access_iterator_tag, index<1>, std::ptrdiff_t, const details::arrow_proxy<index<1>>, const index<1>>;
|
||||
|
||||
public:
|
||||
using Base::reference;
|
||||
using Base::pointer;
|
||||
using Base::difference_type;
|
||||
using Base::value_type;
|
||||
using index_type = value_type;
|
||||
using index_size_type = index_type::size_type;
|
||||
|
||||
template <typename Bounds>
|
||||
explicit bounds_iterator(const Bounds&, value_type curr = value_type{}) noexcept
|
||||
: curr( std::move(curr) )
|
||||
{}
|
||||
reference operator*() const noexcept
|
||||
{
|
||||
return curr;
|
||||
}
|
||||
pointer operator->() const noexcept
|
||||
{
|
||||
return details::arrow_proxy<value_type>{ curr };
|
||||
}
|
||||
bounds_iterator& operator++() noexcept
|
||||
{
|
||||
++curr;
|
||||
return *this;
|
||||
}
|
||||
bounds_iterator operator++(int) noexcept
|
||||
{
|
||||
auto ret = *this;
|
||||
++(*this);
|
||||
return ret;
|
||||
}
|
||||
bounds_iterator& operator--() noexcept
|
||||
{
|
||||
curr--;
|
||||
return *this;
|
||||
}
|
||||
bounds_iterator operator--(int) noexcept
|
||||
{
|
||||
auto ret = *this;
|
||||
--(*this);
|
||||
return ret;
|
||||
}
|
||||
bounds_iterator operator+(difference_type n) const noexcept
|
||||
{
|
||||
bounds_iterator ret{ *this };
|
||||
return ret += n;
|
||||
}
|
||||
bounds_iterator& operator+=(difference_type n) noexcept
|
||||
{
|
||||
curr += n;
|
||||
return *this;
|
||||
}
|
||||
bounds_iterator operator-(difference_type n) const noexcept
|
||||
{
|
||||
bounds_iterator ret{ *this };
|
||||
return ret -= n;
|
||||
}
|
||||
bounds_iterator& operator-=(difference_type n) noexcept
|
||||
{
|
||||
return *this += -n;
|
||||
}
|
||||
difference_type operator-(const bounds_iterator& rhs) const noexcept
|
||||
{
|
||||
return curr[0] - rhs.curr[0];
|
||||
}
|
||||
reference operator[](difference_type n) const noexcept
|
||||
{
|
||||
return curr + n;
|
||||
}
|
||||
bool operator==(const bounds_iterator& rhs) const noexcept
|
||||
{
|
||||
return curr == rhs.curr;
|
||||
}
|
||||
bool operator!=(const bounds_iterator& rhs) const noexcept
|
||||
{
|
||||
return !(*this == rhs);
|
||||
}
|
||||
bool operator<(const bounds_iterator& rhs) const noexcept
|
||||
{
|
||||
return curr[0] < rhs.curr[0];
|
||||
}
|
||||
bool operator<=(const bounds_iterator& rhs) const noexcept
|
||||
{
|
||||
return !(rhs < *this);
|
||||
}
|
||||
bool operator>(const bounds_iterator& rhs) const noexcept
|
||||
{
|
||||
return rhs < *this;
|
||||
}
|
||||
bool operator>=(const bounds_iterator& rhs) const noexcept
|
||||
{
|
||||
return !(rhs > *this);
|
||||
}
|
||||
void swap(bounds_iterator& rhs) noexcept
|
||||
{
|
||||
std::swap(curr, rhs.curr);
|
||||
}
|
||||
private:
|
||||
value_type curr;
|
||||
std::remove_const_t<value_type> curr;
|
||||
};
|
||||
|
||||
template <typename IndexType>
|
||||
@ -1237,10 +1036,11 @@ public:
|
||||
using size_type = typename bounds_type::size_type;
|
||||
using index_type = typename bounds_type::index_type;
|
||||
using value_type = ValueType;
|
||||
using const_value_type = std::add_const_t<value_type>;
|
||||
using pointer = ValueType*;
|
||||
using reference = ValueType&;
|
||||
using iterator = std::conditional_t<std::is_same<typename BoundsType::mapping_type, contiguous_mapping_tag>::value, contiguous_array_view_iterator<basic_array_view>, general_array_view_iterator<basic_array_view>>;
|
||||
using const_iterator = std::conditional_t<std::is_same<typename BoundsType::mapping_type, contiguous_mapping_tag>::value, contiguous_array_view_iterator<basic_array_view<const ValueType, BoundsType>>, general_array_view_iterator<basic_array_view<const ValueType, BoundsType>>>;
|
||||
using const_iterator = std::conditional_t<std::is_same<typename BoundsType::mapping_type, contiguous_mapping_tag>::value, contiguous_array_view_iterator<basic_array_view<const_value_type, BoundsType>>, general_array_view_iterator<basic_array_view<const_value_type, BoundsType>>>;
|
||||
using reverse_iterator = std::reverse_iterator<iterator>;
|
||||
using const_reverse_iterator = std::reverse_iterator<const_iterator>;
|
||||
using sliced_type = std::conditional_t<rank == 1, value_type, basic_array_view<value_type, typename BoundsType::sliced_type>>;
|
||||
@ -1293,7 +1093,7 @@ public:
|
||||
}
|
||||
constexpr iterator end() const
|
||||
{
|
||||
return iterator {this};
|
||||
return iterator {this, false};
|
||||
}
|
||||
constexpr const_iterator cbegin() const
|
||||
{
|
||||
@ -1301,7 +1101,7 @@ public:
|
||||
}
|
||||
constexpr const_iterator cend() const
|
||||
{
|
||||
return const_iterator {reinterpret_cast<const basic_array_view<const value_type, bounds_type> *>(this)};
|
||||
return const_iterator {reinterpret_cast<const basic_array_view<const value_type, bounds_type> *>(this), false};
|
||||
}
|
||||
|
||||
constexpr reverse_iterator rbegin() const
|
||||
@ -1557,9 +1357,9 @@ public:
|
||||
|
||||
// from n-dimensions static array with size
|
||||
template <typename T, size_t N, typename Helper = details::ArrayViewArrayTraits<T, N>,
|
||||
typename Dummy = std::enable_if_t<std::is_convertible<Helper::value_type(*)[], typename Base::value_type(*)[]>::value>
|
||||
typename = std::enable_if_t<std::is_convertible<Helper::value_type(*)[], typename Base::value_type(*)[]>::value>
|
||||
>
|
||||
constexpr array_view(T(&arr)[N], size_type size) : Base(arr, typename Helper::bounds_type{ size })
|
||||
constexpr array_view(T(&arr)[N], size_type size) : Base(arr, Helper::bounds_type{size})
|
||||
{
|
||||
fail_fast_assert(size <= N);
|
||||
}
|
||||
@ -1608,10 +1408,9 @@ public:
|
||||
{}
|
||||
|
||||
// reshape
|
||||
template <typename... Dimensions2>
|
||||
template <typename... Dimensions2, typename = std::enable_if_t<(sizeof...(Dimensions2) > 0)>>
|
||||
constexpr array_view<ValueType, Dimensions2::value...> as_array_view(Dimensions2... dims)
|
||||
{
|
||||
static_assert(sizeof...(Dimensions2) > 0, "the target array_view must have at least one dimension.");
|
||||
using BoundsType = typename array_view<ValueType, (Dimensions2::value)...>::bounds_type;
|
||||
auto tobounds = details::static_as_array_view_helper<BoundsType>(dims..., details::Sep{});
|
||||
details::verifyBoundsReshape(this->bounds(), tobounds);
|
||||
@ -1635,7 +1434,7 @@ public:
|
||||
|
||||
// from bytes array
|
||||
template<typename U, bool IsByte = std::is_same<value_type, const byte>::value, typename = std::enable_if_t<IsByte && sizeof...(RestDimensions) == 0>>
|
||||
constexpr auto as_array_view() const noexcept -> array_view<const U, dynamic_range, (Base::bounds_type::static_size != dynamic_range ? static_cast<size_t>(Base::bounds_type::static_size) / sizeof(U) : dynamic_range)>
|
||||
constexpr auto as_array_view() const noexcept -> array_view<const U, (Base::bounds_type::static_size != dynamic_range ? static_cast<size_t>(Base::bounds_type::static_size) / sizeof(U) : dynamic_range)>
|
||||
{
|
||||
static_assert(std::is_standard_layout<U>::value && (Base::bounds_type::static_size == dynamic_range || Base::bounds_type::static_size % static_cast<size_type>(sizeof(U)) == 0),
|
||||
"Target type must be standard layout and its size must match the byte array size");
|
||||
@ -1643,8 +1442,8 @@ public:
|
||||
return { reinterpret_cast<const U*>(this->data()), this->bytes() / static_cast<size_type>(sizeof(U)) };
|
||||
}
|
||||
|
||||
template<typename U, bool IsByte = std::is_same<value_type, byte>::value, typename Dummy = std::enable_if_t<IsByte && sizeof...(RestDimensions) == 0>>
|
||||
constexpr auto as_array_view() const noexcept -> array_view<U, dynamic_range, (Base::bounds_type::static_size != dynamic_range ? static_cast<size_t>(Base::bounds_type::static_size) / sizeof(U) : dynamic_range)>
|
||||
template<typename U, bool IsByte = std::is_same<value_type, byte>::value, typename = std::enable_if_t<IsByte && sizeof...(RestDimensions) == 0>>
|
||||
constexpr auto as_array_view() const noexcept -> array_view<U, (Base::bounds_type::static_size != dynamic_range ? static_cast<size_t>(Base::bounds_type::static_size) / sizeof(U) : dynamic_range)>
|
||||
{
|
||||
static_assert(std::is_standard_layout<U>::value && (Base::bounds_type::static_size == dynamic_range || Base::bounds_type::static_size % static_cast<size_t>(sizeof(U)) == 0),
|
||||
"Target type must be standard layout and its size must match the byte array size");
|
||||
@ -1925,10 +1724,8 @@ private:
|
||||
{
|
||||
fail_fast_assert(m_pdata >= m_validator->m_pdata && m_pdata < m_validator->m_pdata + m_validator->size(), "iterator is out of range of the array");
|
||||
}
|
||||
|
||||
contiguous_array_view_iterator (const ArrayView *container, bool isbegin = false) :
|
||||
contiguous_array_view_iterator (const ArrayView *container, bool isbegin) :
|
||||
m_pdata(isbegin ? container->m_pdata : container->m_pdata + container->size()), m_validator(container) {}
|
||||
|
||||
public:
|
||||
reference operator*() const noexcept
|
||||
{
|
||||
@ -2044,17 +1841,15 @@ private:
|
||||
|
||||
const ArrayView * m_container;
|
||||
typename ArrayView::bounds_type::iterator m_itr;
|
||||
|
||||
general_array_view_iterator(const ArrayView *container, bool isbegin = false) :
|
||||
general_array_view_iterator(const ArrayView *container, bool isbegin) :
|
||||
m_container(container), m_itr(isbegin ? m_container->bounds().begin() : m_container->bounds().end())
|
||||
{}
|
||||
|
||||
public:
|
||||
reference operator*() const noexcept
|
||||
reference operator*() noexcept
|
||||
{
|
||||
return (*m_container)[*m_itr];
|
||||
}
|
||||
pointer operator->() const noexcept
|
||||
pointer operator->() noexcept
|
||||
{
|
||||
return &(*m_container)[*m_itr];
|
||||
}
|
||||
|
||||
@ -197,6 +197,19 @@ private:
|
||||
|
||||
} // namespace gsl
|
||||
|
||||
namespace std
|
||||
{
|
||||
template<class T>
|
||||
struct hash<gsl::not_null<T>>
|
||||
{
|
||||
size_t operator()(const gsl::not_null<T> & value) const
|
||||
{
|
||||
return hash<T>{}(value);
|
||||
}
|
||||
};
|
||||
|
||||
} // namespace std
|
||||
|
||||
#ifdef _MSC_VER
|
||||
|
||||
#undef constexpr
|
||||
|
||||
@ -16,16 +16,11 @@
|
||||
|
||||
#include <UnitTest++/UnitTest++.h>
|
||||
#include <array_view.h>
|
||||
#include <numeric>
|
||||
#include <limits>
|
||||
#include <array>
|
||||
|
||||
#include <string>
|
||||
#include <vector>
|
||||
#include <list>
|
||||
#include <iostream>
|
||||
#include <functional>
|
||||
#include <algorithm>
|
||||
|
||||
|
||||
using namespace std;
|
||||
using namespace gsl;
|
||||
@ -408,71 +403,71 @@ SUITE(array_view_tests)
|
||||
array_view<const int, 2> av2{ av };
|
||||
CHECK(av2[1] == 5);
|
||||
|
||||
static_assert(std::is_convertible<const array_view<int, 2>, array_view<const int, 2>>::value, "ctor is not implicit!");
|
||||
|
||||
const strided_array_view<int, 1> src{ arr, {2, 1} };
|
||||
strided_array_view<const int, 1> sav{ src };
|
||||
CHECK(sav.bounds().index_bounds() == index<1>{ 2 });
|
||||
CHECK(sav.bounds().stride() == 1);
|
||||
CHECK(sav[1] == 5);
|
||||
|
||||
static_assert(std::is_convertible<const strided_array_view<int, 1>, strided_array_view<const int, 1>>::value, "ctor is not implicit!");
|
||||
}
|
||||
|
||||
// Check copy constructor
|
||||
{
|
||||
int arr1[2] = { 3, 4 };
|
||||
const strided_array_view<int, 1> src1{ arr1, {2, 1} };
|
||||
strided_array_view<int, 1> sav1{ src1 };
|
||||
|
||||
CHECK(sav1.bounds().index_bounds() == index<1>{ 2 });
|
||||
CHECK(sav1.bounds().stride() == 1);
|
||||
CHECK(sav1[0] == 3);
|
||||
|
||||
int arr2[6] = { 1, 2, 3, 4, 5, 6 };
|
||||
const strided_array_view<const int, 2> src2{ arr2, {{ 3, 2 }, { 2, 1 }} };
|
||||
strided_array_view<const int, 2> sav2{ src2 };
|
||||
CHECK((sav2.bounds().index_bounds() == index<2>{ 3, 2 }));
|
||||
CHECK((sav2.bounds().strides() == index<2>{ 2, 1 }));
|
||||
CHECK((sav2[{0, 0}] == 1 && sav2[{2, 0}] == 5));
|
||||
}
|
||||
|
||||
// Check const-casting assignment operator
|
||||
{
|
||||
int arr1[2] = { 1, 2 };
|
||||
int arr2[6] = { 3, 4, 5, 6, 7, 8 };
|
||||
|
||||
const strided_array_view<int, 1> src{ arr1, {{2}, {1}} };
|
||||
strided_array_view<const int, 1> sav{ arr2, {{3}, {2}} };
|
||||
strided_array_view<const int, 1>& sav_ref = (sav = src);
|
||||
CHECK(sav.bounds().index_bounds() == index<1>{ 2 });
|
||||
CHECK(sav.bounds().strides() == index<1>{ 1 });
|
||||
CHECK(sav[0] == 1);
|
||||
CHECK(&sav_ref == &sav);
|
||||
}
|
||||
|
||||
// Check copy assignment operator
|
||||
{
|
||||
int arr1[2] = { 3, 4 };
|
||||
int arr1b[1] = { 0 };
|
||||
const strided_array_view<int, 1> src1{ arr1, {2, 1} };
|
||||
strided_array_view<int, 1> sav1{ arr1b, {1, 1} };
|
||||
strided_array_view<int, 1>& sav1_ref = (sav1 = src1);
|
||||
CHECK(sav1.bounds().index_bounds() == index<1>{ 2 });
|
||||
CHECK(sav1.bounds().strides() == index<1>{ 1 });
|
||||
CHECK(sav1[0] == 3);
|
||||
CHECK(&sav1_ref == &sav1);
|
||||
|
||||
const int arr2[6] = { 1, 2, 3, 4, 5, 6 };
|
||||
const int arr2b[1] = { 0 };
|
||||
const strided_array_view<const int, 2> src2{ arr2, {{ 3, 2 },{ 2, 1 }} };
|
||||
strided_array_view<const int, 2> sav2{ arr2b, {{ 1, 1 },{ 1, 1 }} };
|
||||
strided_array_view<const int, 2>& sav2_ref = (sav2 = src2);
|
||||
CHECK((sav2.bounds().index_bounds() == index<2>{ 3, 2 }));
|
||||
CHECK((sav2.bounds().strides() == index<2>{ 2, 1 }));
|
||||
CHECK((sav2[{0, 0}] == 1 && sav2[{2, 0}] == 5));
|
||||
CHECK(&sav2_ref == &sav2);
|
||||
// static_assert(std::is_convertible<const array_view<int, 2>, array_view<const int, 2>>::value, "ctor is not implicit!");
|
||||
//
|
||||
// const strided_array_view<int, 1> src{ arr, {2, 1} };
|
||||
// strided_array_view<const int, 1> sav{ src };
|
||||
// CHECK(sav.bounds().index_bounds() == index<1>{ 2 });
|
||||
// CHECK(sav.bounds().stride() == 1);
|
||||
// CHECK(sav[1] == 5);
|
||||
//
|
||||
// static_assert(std::is_convertible<const strided_array_view<int, 1>, strided_array_view<const int, 1>>::value, "ctor is not implicit!");
|
||||
}
|
||||
//
|
||||
// // Check copy constructor
|
||||
// {
|
||||
// int arr1[2] = { 3, 4 };
|
||||
// const strided_array_view<int, 1> src1{ arr1, {2, 1} };
|
||||
// strided_array_view<int, 1> sav1{ src1 };
|
||||
//
|
||||
// CHECK(sav1.bounds().index_bounds() == index<1>{ 2 });
|
||||
// CHECK(sav1.bounds().stride() == 1);
|
||||
// CHECK(sav1[0] == 3);
|
||||
//
|
||||
// int arr2[6] = { 1, 2, 3, 4, 5, 6 };
|
||||
// const strided_array_view<const int, 2> src2{ arr2, {{ 3, 2 }, { 2, 1 }} };
|
||||
// strided_array_view<const int, 2> sav2{ src2 };
|
||||
// CHECK((sav2.bounds().index_bounds() == index<2>{ 3, 2 }));
|
||||
// CHECK((sav2.bounds().strides() == index<2>{ 2, 1 }));
|
||||
// CHECK((sav2[{0, 0}] == 1 && sav2[{2, 0}] == 5));
|
||||
// }
|
||||
//
|
||||
// // Check const-casting assignment operator
|
||||
// {
|
||||
// int arr1[2] = { 1, 2 };
|
||||
// int arr2[6] = { 3, 4, 5, 6, 7, 8 };
|
||||
//
|
||||
// const strided_array_view<int, 1> src{ arr1, {{2}, {1}} };
|
||||
// strided_array_view<const int, 1> sav{ arr2, {{3}, {2}} };
|
||||
// strided_array_view<const int, 1>& sav_ref = (sav = src);
|
||||
// CHECK(sav.bounds().index_bounds() == index<1>{ 2 });
|
||||
// CHECK(sav.bounds().strides() == index<1>{ 1 });
|
||||
// CHECK(sav[0] == 1);
|
||||
// CHECK(&sav_ref == &sav);
|
||||
// }
|
||||
//
|
||||
// // Check copy assignment operator
|
||||
// {
|
||||
// int arr1[2] = { 3, 4 };
|
||||
// int arr1b[1] = { 0 };
|
||||
// const strided_array_view<int, 1> src1{ arr1, {2, 1} };
|
||||
// strided_array_view<int, 1> sav1{ arr1b, {1, 1} };
|
||||
// strided_array_view<int, 1>& sav1_ref = (sav1 = src1);
|
||||
// CHECK(sav1.bounds().index_bounds() == index<1>{ 2 });
|
||||
// CHECK(sav1.bounds().strides() == index<1>{ 1 });
|
||||
// CHECK(sav1[0] == 3);
|
||||
// CHECK(&sav1_ref == &sav1);
|
||||
//
|
||||
// const int arr2[6] = { 1, 2, 3, 4, 5, 6 };
|
||||
// const int arr2b[1] = { 0 };
|
||||
// const strided_array_view<const int, 2> src2{ arr2, {{ 3, 2 },{ 2, 1 }} };
|
||||
// strided_array_view<const int, 2> sav2{ arr2b, {{ 1, 1 },{ 1, 1 }} };
|
||||
// strided_array_view<const int, 2>& sav2_ref = (sav2 = src2);
|
||||
// CHECK((sav2.bounds().index_bounds() == index<2>{ 3, 2 }));
|
||||
// CHECK((sav2.bounds().strides() == index<2>{ 2, 1 }));
|
||||
// CHECK((sav2[{0, 0}] == 1 && sav2[{2, 0}] == 5));
|
||||
// CHECK(&sav2_ref == &sav2);
|
||||
// }
|
||||
}
|
||||
|
||||
TEST(strided_array_view_slice)
|
||||
@ -640,23 +635,14 @@ SUITE(array_view_tests)
|
||||
|
||||
index<1> index{ 0, 1 };
|
||||
strided_array_view<int, 1> sav8{ arr,{ 1,{ 1,1 } } };
|
||||
#ifdef _MSC_VER
|
||||
strided_array_view<int, 1> sav9{ arr,{ { 1,1 },{ 1,1 } } };
|
||||
#endif
|
||||
strided_array_view<int, 1> sav10{ av,{ 1,{ 1,1 } } };
|
||||
#ifdef _MSC_VER
|
||||
strided_array_view<int, 1> sav11{ av,{ { 1,1 },{ 1,1 } } };
|
||||
#endif
|
||||
strided_array_view<int, 2> sav12{ av.as_array_view(dim<2>(), dim<2>()),{ { 1 },{ 1 } } };
|
||||
strided_array_view<int, 2> sav13{ av.as_array_view(dim<2>(), dim<2>()),{ { 1 },{ 1,1,1 } } };
|
||||
strided_array_view<int, 2> sav14{ av.as_array_view(dim<2>(), dim<2>()),{ { 1,1,1 },{ 1 } } };
|
||||
}
|
||||
#endif
|
||||
|
||||
{
|
||||
CHECK_THROW((strided_array_view<int, 2>{ av.as_array_view(dim<2>(), dim<2>()), {{1}, {1}} }), fail_fast);
|
||||
CHECK_THROW((strided_array_view<int, 2>{ av.as_array_view(dim<2>(), dim<2>()), {{1}, {1,1,1}} }), fail_fast);
|
||||
#ifdef _MSC_VER
|
||||
CHECK_THROW((strided_array_view<int, 2>{ av.as_array_view(dim<2>(), dim<2>()), {{1,1,1}, {1}} }), fail_fast);
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
TEST(strided_array_view_type_conversion)
|
||||
@ -840,6 +826,78 @@ SUITE(array_view_tests)
|
||||
delete[] arr;
|
||||
}
|
||||
|
||||
TEST(index_constructors)
|
||||
{
|
||||
{
|
||||
// components of the same type
|
||||
index<3> i1(0, 1, 2);
|
||||
CHECK(i1[0] == 0);
|
||||
|
||||
// components of different types
|
||||
size_t c0 = 0;
|
||||
size_t c1 = 1;
|
||||
index<3> i2(c0, c1, 2);
|
||||
CHECK(i2[0] == 0);
|
||||
|
||||
// from array
|
||||
index<3> i3 = { 0,1,2 };
|
||||
CHECK(i3[0] == 0);
|
||||
|
||||
// from other index of the same size type
|
||||
index<3> i4 = i3;
|
||||
CHECK(i4[0] == 0);
|
||||
|
||||
// default
|
||||
index<3> i7;
|
||||
CHECK(i7[0] == 0);
|
||||
|
||||
// default
|
||||
index<3> i9 = {};
|
||||
CHECK(i9[0] == 0);
|
||||
}
|
||||
|
||||
{
|
||||
// components of the same type
|
||||
index<1> i1(0);
|
||||
CHECK(i1[0] == 0);
|
||||
|
||||
// components of different types
|
||||
size_t c0 = 0;
|
||||
index<1> i2(c0);
|
||||
CHECK(i2[0] == 0);
|
||||
|
||||
// from array
|
||||
index<1> i3 = { 0 };
|
||||
CHECK(i3[0] == 0);
|
||||
|
||||
// from int
|
||||
index<1> i4 = 0;
|
||||
CHECK(i4[0] == 0);
|
||||
|
||||
// from other index of the same size type
|
||||
index<1> i5 = i3;
|
||||
CHECK(i5[0] == 0);
|
||||
|
||||
// default
|
||||
index<1> i8;
|
||||
CHECK(i8[0] == 0);
|
||||
|
||||
// default
|
||||
index<1> i9 = {};
|
||||
CHECK(i9[0] == 0);
|
||||
}
|
||||
|
||||
#ifdef CONFIRM_COMPILATION_ERRORS
|
||||
{
|
||||
index<3> i1(0, 1);
|
||||
index<3> i2(0, 1, 2, 3);
|
||||
index<3> i3 = { 0 };
|
||||
index<3> i4 = { 0, 1, 2, 3 };
|
||||
index<1> i5 = { 0,1 };
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
TEST(index_operations)
|
||||
{
|
||||
ptrdiff_t a[3] = { 0, 1, 2 };
|
||||
@ -926,12 +984,36 @@ SUITE(array_view_tests)
|
||||
}
|
||||
}
|
||||
|
||||
ptrdiff_t idx = 0;
|
||||
size_t check_sum = 0;
|
||||
for (auto i = 0; i < length; ++i)
|
||||
{
|
||||
check_sum += av[i][1];
|
||||
}
|
||||
|
||||
{
|
||||
auto idx = 0;
|
||||
size_t sum = 0;
|
||||
for (auto num : section)
|
||||
{
|
||||
CHECK(num == av[idx][1]);
|
||||
sum += num;
|
||||
idx++;
|
||||
}
|
||||
|
||||
CHECK(sum == check_sum);
|
||||
}
|
||||
{
|
||||
size_t idx = length - 1;
|
||||
size_t sum = 0;
|
||||
for (auto iter = section.rbegin(); iter != section.rend(); ++iter)
|
||||
{
|
||||
CHECK(*iter == av[idx][1]);
|
||||
sum += *iter;
|
||||
idx--;
|
||||
}
|
||||
|
||||
CHECK(sum == check_sum);
|
||||
}
|
||||
}
|
||||
|
||||
TEST(array_view_section_iteration)
|
||||
@ -955,7 +1037,7 @@ SUITE(array_view_tests)
|
||||
}
|
||||
// both bounds are dynamic
|
||||
{
|
||||
array_view<int, dynamic_range, dynamic_range> av(arr, 4);
|
||||
array_view<int, dynamic_range, dynamic_range> av = arr;
|
||||
iterate_second_column(av);
|
||||
}
|
||||
}
|
||||
@ -1569,7 +1651,36 @@ SUITE(array_view_tests)
|
||||
CHECK(wav.data() == (byte*)&a[0]);
|
||||
CHECK(wav.length() == sizeof(a));
|
||||
}
|
||||
}
|
||||
|
||||
TEST(NonConstIterator)
|
||||
{
|
||||
int a[] = { 1, 2, 3, 4 };
|
||||
|
||||
{
|
||||
array_view<int, dynamic_range> av = a;
|
||||
auto wav = av.as_writeable_bytes();
|
||||
for (auto& b : wav)
|
||||
{
|
||||
b = byte(0);
|
||||
}
|
||||
for (size_t i = 0; i < 4; ++i)
|
||||
{
|
||||
CHECK(a[i] == 0);
|
||||
}
|
||||
}
|
||||
|
||||
{
|
||||
array_view<int, dynamic_range> av = a;
|
||||
for (auto& n : av)
|
||||
{
|
||||
n = 1;
|
||||
}
|
||||
for (size_t i = 0; i < 4; ++i)
|
||||
{
|
||||
CHECK(a[i] == 1);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
TEST(ArrayViewComparison)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user