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// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
// SPDX-FileCopyrightText: Bradley M. Bell <bradbell@seanet.com>
// SPDX-FileContributor: 2003-22 Bradley M. Bell
// ----------------------------------------------------------------------------
/*
{xrst_begin set_union.cpp}
Set Union: Example and Test
###########################
{xrst_literal
// BEGIN C++
// END C++
}
{xrst_end set_union.cpp}
*/
// BEGIN C++
# include <cppad/utility/set_union.hpp>
bool set_union(void)
{ bool ok = true;
// create empty sets
std::set<size_t> left, right, result;
// set left = {1, 2}
left.insert(1);
left.insert(2);
// set right = {2, 3}
right.insert(2);
right.insert(3);
// set result = {1, 2} U {2, 3}
result = CppAD::set_union(left, right);
// expected result
size_t check_vec[] = {1, 2, 3};
std::set<size_t> check_set(check_vec, check_vec + 3);
// check result
ok &= result == check_set;
return ok;
}
// END C++
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