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Change Eigen::aligned_allocator to not inherit from std::allocator

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Markus Vieth 2025-01-20 16:04:43 +00:00 committed by Charles Schlosser
parent abac563f5d
commit c486af5ad3
1 changed files with 12 additions and 5 deletions
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17
Eigen/src/Core/util/Memory.h
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@ -913,7 +913,7 @@ EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void* eigen_aligned_alloca_helper(void* pt
* \sa \blank \ref TopicStlContainers. * \sa \blank \ref TopicStlContainers.
*/ */
template <class T> template <class T>
class aligned_allocator : public std::allocator<T> { class aligned_allocator {
public: public:
typedef std::size_t size_type; typedef std::size_t size_type;
typedef std::ptrdiff_t difference_type; typedef std::ptrdiff_t difference_type;
@ -928,14 +928,21 @@ class aligned_allocator : public std::allocator<T> {
typedef aligned_allocator<U> other; typedef aligned_allocator<U> other;
}; };
aligned_allocator() : std::allocator<T>() {} aligned_allocator() = default;
aligned_allocator(const aligned_allocator& other) : std::allocator<T>(other) {} aligned_allocator(const aligned_allocator&) = default;
template <class U> template <class U>
aligned_allocator(const aligned_allocator<U>& other) : std::allocator<T>(other) {} aligned_allocator(const aligned_allocator<U>&) {}
~aligned_allocator() {} template <class U>
constexpr bool operator==(const aligned_allocator<U>&) const noexcept {
return true;
}
template <class U>
constexpr bool operator!=(const aligned_allocator<U>&) const noexcept {
return false;
}
#if EIGEN_COMP_GNUC_STRICT && EIGEN_GNUC_STRICT_AT_LEAST(7, 0, 0) #if EIGEN_COMP_GNUC_STRICT && EIGEN_GNUC_STRICT_AT_LEAST(7, 0, 0)
// In gcc std::allocator::max_size() is bugged making gcc triggers a warning: // In gcc std::allocator::max_size() is bugged making gcc triggers a warning: