mirror of
https://github.com/hb9fxq/gr-digitalhf
synced 2024-11-05 13:55:53 +00:00
81 lines
2 KiB
C
81 lines
2 KiB
C
|
/* -*- C++ -*- */
|
||
|
|
/*
|
||
|
|
* Copyright 2019 Free Software Foundation, Inc.
|
||
|
|
*
|
||
|
|
* This file is part of GNU Radio
|
||
|
|
*
|
||
|
|
* GNU Radio is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation; either version 3, or (at your option)
|
||
|
|
* any later version.
|
||
|
|
*
|
||
|
|
* GNU Radio is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with GNU Radio; see the file COPYING. If not, write to
|
||
|
|
* the Free Software Foundation, Inc., 51 Franklin Street,
|
||
|
|
* Boston, MA 02110-1301, USA.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef INCLUDED_VOLK_ALLOC_H
|
||
|
|
#define INCLUDED_VOLK_ALLOC_H
|
||
|
|
|
||
|
|
#include <cstdlib>
|
||
|
|
#include <limits>
|
||
|
|
#include <new>
|
||
|
|
#include <vector>
|
||
|
|
|
||
|
|
#include <volk/volk.h>
|
||
|
|
|
||
|
|
namespace volk {
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* \brief C++11 allocator using volk_malloc and volk_free
|
||
|
|
*
|
||
|
|
* \details
|
||
|
|
* adapted from https://en.cppreference.com/w/cpp/named_req/Alloc
|
||
|
|
*/
|
||
|
|
template <class T>
|
||
|
|
struct alloc {
|
||
|
|
typedef T value_type;
|
||
|
|
|
||
|
|
alloc() = default;
|
||
|
|
|
||
|
|
template <class U> constexpr alloc(alloc<U> const&) noexcept {}
|
||
|
|
|
||
|
|
T* allocate(std::size_t n) {
|
||
|
|
if (n > std::numeric_limits<std::size_t>::max() / sizeof(T)) throw std::bad_alloc();
|
||
|
|
|
||
|
|
if (auto p = static_cast<T*>(volk_malloc(n*sizeof(T), volk_get_alignment())))
|
||
|
|
return p;
|
||
|
|
|
||
|
|
throw std::bad_alloc();
|
||
|
|
}
|
||
|
|
|
||
|
|
void deallocate(T* p, std::size_t) noexcept { volk_free(p); }
|
||
|
|
|
||
|
|
} ;
|
||
|
|
|
||
|
|
template <class T, class U>
|
||
|
|
bool operator==(alloc<T> const&, alloc<U> const&) { return true; }
|
||
|
|
|
||
|
|
template <class T, class U>
|
||
|
|
bool operator!=(alloc<T> const&, alloc<U> const&) { return false; }
|
||
|
|
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* \brief type alias for std::vector using volk::alloc
|
||
|
|
*
|
||
|
|
* \details
|
||
|
|
* example code:
|
||
|
|
* volk::vector<float> v(100); // vector using volk_malloc, volk_free
|
||
|
|
*/
|
||
|
|
template<class T>
|
||
|
|
using vector = std::vector<T, alloc<T> >;
|
||
|
|
|
||
|
|
} // namespace volk
|
||
|
|
#endif // INCLUDED_VOLK_ALLOC_H
|