Vc  1.3.2-dev
SIMD Vector Classes for C++
alignedbase.h
1 /* This file is part of the Vc library. {{{
2 Copyright © 2015 Matthias Kretz <kretz@kde.org>
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26 }}}*/
27 
28 #ifndef VC_COMMON_ALIGNEDBASE_H_
29 #define VC_COMMON_ALIGNEDBASE_H_
30 
31 #include "types.h"
32 #include "macros.h"
33 
34 namespace Vc_VERSIONED_NAMESPACE
35 {
36 namespace Detail
37 {
41 template <typename T> constexpr T max(T a) { return a; }
45 template <typename T, typename... Ts> constexpr T max(T a, T b, Ts... rest)
46 {
47  return a > b ? max(a, rest...) : max(b, rest...);
48 }
49 } // namespace Detail
50 namespace Common
51 {
52 template <std::size_t> Vc_INTRINSIC void *aligned_malloc(std::size_t);
53 Vc_ALWAYS_INLINE void free(void *);
54 } // namespace Common
55 
67 template <std::size_t Alignment> struct alignas(Alignment) AlignedBase
68 {
69  Vc_FREE_STORE_OPERATORS_ALIGNED(Alignment);
70 };
71 
87  Detail::max(alignof(Vector<float>), alignof(Vector<double>), alignof(Vector<ullong>),
88  alignof(Vector<llong>), alignof(Vector<ulong>), alignof(Vector<long>),
89  alignof(Vector<uint>), alignof(Vector<int>), alignof(Vector<ushort>),
90  alignof(Vector<short>), alignof(Vector<uchar>), alignof(Vector<schar>))>;
91 
100 template <typename V> using VectorAlignedBaseT = AlignedBase<alignof(V)>;
101 
123 
133 }
134 
135 #endif // VC_COMMON_ALIGNEDBASE_H_
136 
137 // vim: foldmethod=marker
void free(T *p)
Frees memory that was allocated with Vc::malloc.
Definition: memory.h:102
The main vector class for expressing data parallelism.
Definition: types.h:44
Vc::Vector< T > max(const Vc::Vector< T > &x, const Vc::Vector< T > &y)
Helper class to ensure a given alignment.
Definition: alignedbase.h:67