Chapter 4. Boost.Align

Glen Fernandes

Distributed under the Boost Software License, Version 1.0.

Introduction

This library provides an alignment function, aligned allocation and deallocation functions, an aligned allocator, an aligned allocator adaptor, an aligned deleter, a type trait to query alignment requirements, a macro to hint pointer alignment, and a function to verify pointer value alignment.

Table 4.1. The Boost.Align Library

Component	Description
`align`	Pointer alignment function
`align_up`, `align_down`	Pointer and integral alignment functions
`aligned_alloc`, `aligned_free`	Aligned allocation and deallocation functions
`aligned_allocator`	Alignment aware allocator
`aligned_allocator_adaptor`	Alignment aware allocator adaptor
`aligned_delete`	Deleter for deallocation of aligned allocations
`alignment_of`	Trait to query alignment requirement of a type
`assume_aligned`	Macro for static pointer alignment hint
`is_aligned`	Pointer and integral alignment checking