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// Copyright 2015-2018 Hans Dembinski
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt
// or copy at http://www.boost.org/LICENSE_1_0.txt)
//[ guide_histogram_serialization
#include <boost/archive/text_iarchive.hpp>
#include <boost/archive/text_oarchive.hpp>
#include <boost/histogram.hpp>
#include <boost/histogram/serialization.hpp> // includes serialization code
#include <cassert>
#include <sstream>
int main() {
using namespace boost::histogram;
auto a = make_histogram(axis::regular<>(3, -1.0, 1.0, "axis 0"),
axis::integer<>(0, 2, "axis 1"));
a(0.5, 1);
std::string buf; // to hold persistent representation
// store histogram
{
std::ostringstream os;
boost::archive::text_oarchive oa(os);
oa << a;
buf = os.str();
}
auto b = decltype(a)(); // create a default-constructed second histogram
assert(b != a); // b is empty, a is not
// load histogram
{
std::istringstream is(buf);
boost::archive::text_iarchive ia(is);
ia >> b;
}
assert(b == a); // now b is equal to a
}
//]
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