85 lines
2.5 KiB
C++
85 lines
2.5 KiB
C++
/*
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Copyright (c) Marshall Clow 2014.
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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For more information, see http://www.boost.org
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*/
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#include <iostream>
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#include <functional>
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#include <boost/config.hpp>
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#include <boost/algorithm/algorithm.hpp>
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#define BOOST_TEST_MAIN
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#include <boost/test/unit_test.hpp>
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namespace ba = boost::algorithm;
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void test_power ()
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{
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BOOST_CHECK ( ba::power(0, 0) == 1);
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BOOST_CHECK ( ba::power(5, 0) == 1);
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BOOST_CHECK ( ba::power(1, 1) == 1);
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BOOST_CHECK ( ba::power(1, 4) == 1);
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BOOST_CHECK ( ba::power(3, 2) == 9);
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BOOST_CHECK ( ba::power(2, 3) == 8);
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BOOST_CHECK ( ba::power(3, 3) == 27);
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BOOST_CHECK ( ba::power(2, 30) == 0x40000000);
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BOOST_CHECK ( ba::power(5L, 10) == 3125*3125);
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BOOST_CHECK ( ba::power(18, 3) == 18*18*18);
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BOOST_CHECK ( ba::power(3,2) == ba::power(3,2, std::multiplies<int>()));
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BOOST_CHECK ( ba::power(3,2, std::plus<int>()) == 6);
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}
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void test_power_constexpr ()
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{
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BOOST_CXX14_CONSTEXPR bool check_zero_power1 =
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ba::power(0, 0) == 1;
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BOOST_CHECK(check_zero_power1);
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BOOST_CXX14_CONSTEXPR bool check_zero_power2 =
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ba::power(5, 0) == 1;
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BOOST_CHECK(check_zero_power2);
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BOOST_CXX14_CONSTEXPR bool check_one_base1 =
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ba::power(1, 1) == 1;
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BOOST_CHECK(check_one_base1);
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BOOST_CXX14_CONSTEXPR bool check_one_base2 =
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ba::power(1, 4) == 1;
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BOOST_CHECK(check_one_base2);
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BOOST_CXX14_CONSTEXPR bool check_power1 =
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ba::power(3, 2) == 9;
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BOOST_CHECK(check_power1);
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BOOST_CXX14_CONSTEXPR bool check_power2 =
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ba::power(2, 3) == 8;
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BOOST_CHECK(check_power2);
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BOOST_CXX14_CONSTEXPR bool check_power3 =
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ba::power(3, 3) == 27;
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BOOST_CHECK(check_power3);
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BOOST_CXX14_CONSTEXPR bool check_power4 =
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ba::power(2, 30) == 0x40000000;
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BOOST_CHECK(check_power4);
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BOOST_CXX14_CONSTEXPR bool check_power5 =
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ba::power(5L, 10) == 3125*3125;
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BOOST_CHECK(check_power5);
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BOOST_CXX14_CONSTEXPR bool check_power6 =
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ba::power(18, 3) == 18*18*18;
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BOOST_CHECK(check_power6);
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BOOST_CXX14_CONSTEXPR bool check_multiple =
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ba::power(3, 2, std::multiplies<int>()) == ba::power(3, 2);
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BOOST_CHECK(check_multiple);
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BOOST_CXX14_CONSTEXPR bool check_plus =
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ba::power(3, 2, std::plus<int>()) == 6;
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BOOST_CHECK(check_plus);
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}
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BOOST_AUTO_TEST_CASE( test_main ) {
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test_power ();
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test_power_constexpr ();
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}
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