5#ifndef DUNE_ALIGNED_ALLOCATOR_HH
6#define DUNE_ALIGNED_ALLOCATOR_HH
22 template<
class T,
int Alignment = -1>
37 static constexpr int fixAlignment(
int align)
39 return ((Alignment==-1) ? std::alignment_of<T>::value : Alignment) > align
40 ? fixAlignment(align << 1) : align;
49 static constexpr int fixAlignment(
int align)
51 return (Alignment==-1) ? std::alignment_of<T>::value : Alignment;
63 static constexpr int alignment = fixAlignment(
sizeof(
void*));
69 throw std::bad_alloc();
84 throw std::bad_alloc();
Allocators that use malloc/free.
Dune namespace.
Definition alignedallocator.hh:13
Allocators which guarantee alignment of the memory.
Definition alignedallocator.hh:23
typename MallocAllocator< T >::size_type size_type
Definition alignedallocator.hh:58
pointer allocate(size_type n, const void *hint=0)
allocate n objects of type T
Definition alignedallocator.hh:66
typename MallocAllocator< T >::pointer pointer
Definition alignedallocator.hh:57
static constexpr int alignment
Definition alignedallocator.hh:63
Definition alignedallocator.hh:59
AlignedAllocator< U, Alignment > other
Definition alignedallocator.hh:60
Allocators implementation which simply calls malloc/free.
Definition mallocallocator.hh:24
T * pointer
Definition mallocallocator.hh:28
std::size_t size_type
Definition mallocallocator.hh:26
size_type max_size() const noexcept
max size for allocate
Definition mallocallocator.hh:74