mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-11-19 10:32:02 -05:00
65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
// Copyright 2003-2008 Jan Gaspar.
|
|
// Copyright 2013 Paul A. Bristow. Added some Quickbook snippet markers.
|
|
|
|
// Distributed under the Boost Software License, Version 1.0.
|
|
// (See the accompanying file LICENSE_1_0.txt
|
|
// or a copy at <http://www.boost.org/LICENSE_1_0.txt>.)
|
|
|
|
//[circular_buffer_sum_example_1
|
|
|
|
/*`This example shows several functions, including summing all valid values.
|
|
*/
|
|
|
|
#include <boost/circular_buffer.hpp>
|
|
#include <numeric>
|
|
#include <assert.h>
|
|
|
|
int main(int /*argc*/, char* /*argv*/[])
|
|
{
|
|
// Create a circular buffer of capacity 3.
|
|
boost::circular_buffer<int> cb(3);
|
|
assert(cb.capacity() == 3);
|
|
// Check is empty.
|
|
assert(cb.size() == 0);
|
|
assert(cb.empty());
|
|
|
|
// Insert some elements into the circular buffer.
|
|
cb.push_back(1);
|
|
cb.push_back(2);
|
|
|
|
// Assertions to check push_backs have expected effect.
|
|
assert(cb[0] == 1);
|
|
assert(cb[1] == 2);
|
|
assert(!cb.full());
|
|
assert(cb.size() == 2);
|
|
assert(cb.capacity() == 3);
|
|
|
|
// Insert some other elements.
|
|
cb.push_back(3);
|
|
cb.push_back(4);
|
|
|
|
// Evaluate the sum of all elements.
|
|
int sum = std::accumulate(cb.begin(), cb.end(), 0);
|
|
|
|
// Assertions to check state.
|
|
assert(sum == 9);
|
|
assert(cb[0] == 2);
|
|
assert(cb[1] == 3);
|
|
assert(cb[2] == 4);
|
|
assert(*cb.begin() == 2);
|
|
assert(cb.front() == 2);
|
|
assert(cb.back() == 4);
|
|
assert(cb.full());
|
|
assert(cb.size() == 3);
|
|
assert(cb.capacity() == 3);
|
|
|
|
return 0;
|
|
}
|
|
|
|
//] [/circular_buffer_sum_example_1]
|
|
|
|
|
|
/*
|
|
There is no output from this example.
|
|
*/
|