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46 lines
1.5 KiB
C++
46 lines
1.5 KiB
C++
// Copyright 2015-2018 Hans Dembinski
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt
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// or copy at http://www.boost.org/LICENSE_1_0.txt)
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//[ guide_histogram_streaming
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#include <boost/histogram.hpp>
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#include <boost/histogram/axis/ostream_operators.hpp>
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#include <boost/histogram/ostream_operators.hpp>
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#include <cassert>
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#include <memory>
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#include <sstream>
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#include <string>
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namespace bh = boost::histogram;
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int main() {
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namespace axis = bh::axis;
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auto h = bh::make_histogram(
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axis::regular<>(2, -1, 1),
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axis::regular<axis::transform::log<>>(2, 1, 10, "axis 1"),
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axis::circular<double, axis::null_type>(4, 0.1, 1.0), // axis without metadata
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axis::variable<int, std::allocator<int>, std::string, axis::option_type::none>(
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{-1, 0, 1}, "axis 3"),
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axis::category<>({2, 1, 3}, "axis 4"), axis::integer<>(-1, 1, "axis 5"));
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std::ostringstream os;
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os << h;
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std::cout << os.str() << std::endl;
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assert(os.str() == "histogram(\n"
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" regular(2, -1, 1, options=uoflow),\n"
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" regular_log(2, 1, 10, metadata=\"axis 1\", options=uoflow),\n"
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" circular(4, 0.1, 1.1, options=overflow),\n"
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" variable(-1, 0, 1, metadata=\"axis 3\", options=none),\n"
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" category(2, 1, 3, metadata=\"axis 4\", options=overflow),\n"
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" integer(-1, 1, metadata=\"axis 5\", options=uoflow),\n"
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")");
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}
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//]
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