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/* test_distribution.ipp
*
* Copyright Steven Watanabe 2010
* 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)
*
* $Id$
*
*/
#include <boost/random/linear_congruential.hpp>
#include <boost/random/lagged_fibonacci.hpp>
#include <sstream>
#include "concepts.hpp"
#define BOOST_TEST_MAIN
#include <boost/test/unit_test.hpp>
using boost::random::test::RandomNumberDistribution;
BOOST_CONCEPT_ASSERT((RandomNumberDistribution< BOOST_RANDOM_DISTRIBUTION >));
BOOST_AUTO_TEST_CASE(test_constructors) {
BOOST_RANDOM_DISTRIBUTION dist;
BOOST_CHECK_EQUAL(dist.BOOST_RANDOM_ARG1(), BOOST_RANDOM_ARG1_DEFAULT);
#ifdef BOOST_RANDOM_ARG2
BOOST_CHECK_EQUAL(dist.BOOST_RANDOM_ARG2(), BOOST_RANDOM_ARG2_DEFAULT);
#endif
#ifdef BOOST_RANDOM_ARG3
BOOST_CHECK_EQUAL(dist.BOOST_RANDOM_ARG3(), BOOST_RANDOM_ARG3_DEFAULT);
#endif
BOOST_RANDOM_DISTRIBUTION dist_one(BOOST_RANDOM_ARG1_VALUE);
BOOST_CHECK_EQUAL(dist_one.BOOST_RANDOM_ARG1(), BOOST_RANDOM_ARG1_VALUE);
#ifdef BOOST_RANDOM_ARG2
BOOST_CHECK_EQUAL(dist_one.BOOST_RANDOM_ARG2(), BOOST_RANDOM_ARG2_DEFAULT);
#endif
#ifdef BOOST_RANDOM_ARG3
BOOST_CHECK_EQUAL(dist_one.BOOST_RANDOM_ARG3(), BOOST_RANDOM_ARG3_DEFAULT);
#endif
#ifdef BOOST_RANDOM_ARG2
BOOST_RANDOM_DISTRIBUTION dist_two(BOOST_RANDOM_ARG1_VALUE, BOOST_RANDOM_ARG2_VALUE);
BOOST_CHECK_EQUAL(dist_two.BOOST_RANDOM_ARG1(), BOOST_RANDOM_ARG1_VALUE);
BOOST_CHECK_EQUAL(dist_two.BOOST_RANDOM_ARG2(), BOOST_RANDOM_ARG2_VALUE);
#ifdef BOOST_RANDOM_ARG3
BOOST_CHECK_EQUAL(dist_two.BOOST_RANDOM_ARG3(), BOOST_RANDOM_ARG3_DEFAULT);
#endif
#endif
#ifdef BOOST_RANDOM_ARG3
BOOST_RANDOM_DISTRIBUTION dist_three(BOOST_RANDOM_ARG1_VALUE, BOOST_RANDOM_ARG2_VALUE, BOOST_RANDOM_ARG3_VALUE);
BOOST_CHECK_EQUAL(dist_three.BOOST_RANDOM_ARG1(), BOOST_RANDOM_ARG1_VALUE);
BOOST_CHECK_EQUAL(dist_three.BOOST_RANDOM_ARG2(), BOOST_RANDOM_ARG2_VALUE);
BOOST_CHECK_EQUAL(dist_three.BOOST_RANDOM_ARG3(), BOOST_RANDOM_ARG3_VALUE);
#endif
BOOST_RANDOM_DISTRIBUTION copy(dist);
BOOST_CHECK_EQUAL(dist, copy);
BOOST_RANDOM_DISTRIBUTION copy_one(dist_one);
BOOST_CHECK_EQUAL(dist_one, copy_one);
#ifdef BOOST_RANDOM_ARG2
BOOST_RANDOM_DISTRIBUTION copy_two(dist_two);
BOOST_CHECK_EQUAL(dist_two, copy_two);
#endif
#ifdef BOOST_RANDOM_ARG3
BOOST_RANDOM_DISTRIBUTION copy_three(dist_three);
BOOST_CHECK_EQUAL(dist_three, copy_three);
#endif
}
BOOST_AUTO_TEST_CASE(test_param) {
#if defined(BOOST_RANDOM_ARG3)
BOOST_RANDOM_DISTRIBUTION dist(BOOST_RANDOM_ARG1_VALUE, BOOST_RANDOM_ARG2_VALUE, BOOST_RANDOM_ARG3_VALUE);
#elif defined(BOOST_RANDOM_ARG2)
BOOST_RANDOM_DISTRIBUTION dist(BOOST_RANDOM_ARG1_VALUE, BOOST_RANDOM_ARG2_VALUE);
#else
BOOST_RANDOM_DISTRIBUTION dist(BOOST_RANDOM_ARG1_VALUE);
#endif
BOOST_RANDOM_DISTRIBUTION::param_type param = dist.param();
BOOST_CHECK_EQUAL(param.BOOST_RANDOM_ARG1(), BOOST_RANDOM_ARG1_VALUE);
#ifdef BOOST_RANDOM_ARG2
BOOST_CHECK_EQUAL(param.BOOST_RANDOM_ARG2(), BOOST_RANDOM_ARG2_VALUE);
#endif
#ifdef BOOST_RANDOM_ARG3
BOOST_CHECK_EQUAL(param.BOOST_RANDOM_ARG3(), BOOST_RANDOM_ARG3_VALUE);
#endif
BOOST_RANDOM_DISTRIBUTION copy1(param);
BOOST_CHECK_EQUAL(dist, copy1);
BOOST_RANDOM_DISTRIBUTION copy2;
copy2.param(param);
BOOST_CHECK_EQUAL(dist, copy2);
BOOST_RANDOM_DISTRIBUTION::param_type param_copy = param;
BOOST_CHECK_EQUAL(param, param_copy);
BOOST_CHECK(param == param_copy);
BOOST_CHECK(!(param != param_copy));
BOOST_RANDOM_DISTRIBUTION::param_type param_default;
BOOST_CHECK_EQUAL(param_default.BOOST_RANDOM_ARG1(), BOOST_RANDOM_ARG1_DEFAULT);
#ifdef BOOST_RANDOM_ARG2
BOOST_CHECK_EQUAL(param_default.BOOST_RANDOM_ARG2(), BOOST_RANDOM_ARG2_DEFAULT);
#endif
#ifdef BOOST_RANDOM_ARG3
BOOST_CHECK_EQUAL(param_default.BOOST_RANDOM_ARG3(), BOOST_RANDOM_ARG3_DEFAULT);
#endif
BOOST_CHECK(param != param_default);
BOOST_CHECK(!(param == param_default));
BOOST_RANDOM_DISTRIBUTION::param_type param_one(BOOST_RANDOM_ARG1_VALUE);
BOOST_CHECK_EQUAL(param_one.BOOST_RANDOM_ARG1(), BOOST_RANDOM_ARG1_VALUE);
#ifdef BOOST_RANDOM_ARG2
BOOST_CHECK_EQUAL(param_one.BOOST_RANDOM_ARG2(), BOOST_RANDOM_ARG2_DEFAULT);
#endif
#ifdef BOOST_RANDOM_ARG3
BOOST_CHECK_EQUAL(param_one.BOOST_RANDOM_ARG3(), BOOST_RANDOM_ARG3_DEFAULT);
#endif
#ifdef BOOST_RANDOM_ARG2
BOOST_CHECK(param != param_one);
BOOST_CHECK(!(param == param_one));
#endif
BOOST_CHECK(param_default != param_one);
BOOST_CHECK(!(param_default == param_one));
#ifdef BOOST_RANDOM_ARG2
BOOST_RANDOM_DISTRIBUTION::param_type param_two(BOOST_RANDOM_ARG1_VALUE, BOOST_RANDOM_ARG2_VALUE);
BOOST_CHECK_EQUAL(param_two.BOOST_RANDOM_ARG1(), BOOST_RANDOM_ARG1_VALUE);
BOOST_CHECK_EQUAL(param_two.BOOST_RANDOM_ARG2(), BOOST_RANDOM_ARG2_VALUE);
#ifdef BOOST_RANDOM_ARG3
BOOST_CHECK_EQUAL(param_two.BOOST_RANDOM_ARG3(), BOOST_RANDOM_ARG3_DEFAULT);
#endif
#endif
#ifdef BOOST_RANDOM_ARG3
BOOST_RANDOM_DISTRIBUTION::param_type param_three(BOOST_RANDOM_ARG1_VALUE, BOOST_RANDOM_ARG2_VALUE, BOOST_RANDOM_ARG3_VALUE);
BOOST_CHECK_EQUAL(param_three.BOOST_RANDOM_ARG1(), BOOST_RANDOM_ARG1_VALUE);
BOOST_CHECK_EQUAL(param_three.BOOST_RANDOM_ARG2(), BOOST_RANDOM_ARG2_VALUE);
BOOST_CHECK_EQUAL(param_three.BOOST_RANDOM_ARG3(), BOOST_RANDOM_ARG3_VALUE);
#endif
}
BOOST_AUTO_TEST_CASE(test_min_max) {
BOOST_RANDOM_DISTRIBUTION dist;
BOOST_CHECK_EQUAL((dist.min)(), BOOST_RANDOM_DIST0_MIN);
BOOST_CHECK_EQUAL((dist.max)(), BOOST_RANDOM_DIST0_MAX);
BOOST_RANDOM_DISTRIBUTION dist_one(BOOST_RANDOM_ARG1_VALUE);
BOOST_CHECK_EQUAL((dist_one.min)(), BOOST_RANDOM_DIST1_MIN);
BOOST_CHECK_EQUAL((dist_one.max)(), BOOST_RANDOM_DIST1_MAX);
#ifdef BOOST_RANDOM_ARG2
BOOST_RANDOM_DISTRIBUTION dist_two(BOOST_RANDOM_ARG1_VALUE, BOOST_RANDOM_ARG2_VALUE);
BOOST_CHECK_EQUAL((dist_two.min)(), BOOST_RANDOM_DIST2_MIN);
BOOST_CHECK_EQUAL((dist_two.max)(), BOOST_RANDOM_DIST2_MAX);
#endif
#ifdef BOOST_RANDOM_ARG3
BOOST_RANDOM_DISTRIBUTION dist_three(BOOST_RANDOM_ARG1_VALUE, BOOST_RANDOM_ARG2_VALUE, BOOST_RANDOM_ARG3_VALUE);
BOOST_CHECK_EQUAL((dist_three.min)(), BOOST_RANDOM_DIST3_MIN);
BOOST_CHECK_EQUAL((dist_three.max)(), BOOST_RANDOM_DIST3_MAX);
#endif
}
BOOST_AUTO_TEST_CASE(test_comparison) {
BOOST_RANDOM_DISTRIBUTION dist;
BOOST_RANDOM_DISTRIBUTION dist_copy(dist);
BOOST_RANDOM_DISTRIBUTION dist_one(BOOST_RANDOM_ARG1_VALUE);
BOOST_RANDOM_DISTRIBUTION dist_one_copy(dist_one);
#ifdef BOOST_RANDOM_ARG2
BOOST_RANDOM_DISTRIBUTION dist_two(BOOST_RANDOM_ARG1_VALUE, BOOST_RANDOM_ARG2_VALUE);
BOOST_RANDOM_DISTRIBUTION dist_two_copy(dist_two);
#endif
#ifdef BOOST_RANDOM_ARG3
BOOST_RANDOM_DISTRIBUTION dist_three(BOOST_RANDOM_ARG1_VALUE, BOOST_RANDOM_ARG2_VALUE, BOOST_RANDOM_ARG3_VALUE);
BOOST_RANDOM_DISTRIBUTION dist_three_copy(dist_three);
#endif
BOOST_CHECK(dist == dist_copy);
BOOST_CHECK(!(dist != dist_copy));
BOOST_CHECK(dist_one == dist_one_copy);
BOOST_CHECK(!(dist_one != dist_one_copy));
BOOST_CHECK(dist != dist_one);
BOOST_CHECK(!(dist == dist_one));
#ifdef BOOST_RANDOM_ARG2
BOOST_CHECK(dist_two == dist_two_copy);
BOOST_CHECK(!(dist_two != dist_two_copy));
BOOST_CHECK(dist != dist_two);
BOOST_CHECK(!(dist == dist_two));
BOOST_CHECK(dist_one != dist_two);
BOOST_CHECK(!(dist_one == dist_two));
#endif
#ifdef BOOST_RANDOM_ARG3
BOOST_CHECK(dist_three == dist_three_copy);
BOOST_CHECK(!(dist_three != dist_three_copy));
BOOST_CHECK(dist != dist_three);
BOOST_CHECK(!(dist == dist_three));
BOOST_CHECK(dist_one != dist_three);
BOOST_CHECK(!(dist_one == dist_three));
BOOST_CHECK(dist_two != dist_three);
BOOST_CHECK(!(dist_two == dist_three));
#endif
}
BOOST_AUTO_TEST_CASE(test_streaming) {
#if defined(BOOST_RANDOM_ARG3)
BOOST_RANDOM_DISTRIBUTION dist(BOOST_RANDOM_ARG1_VALUE, BOOST_RANDOM_ARG2_VALUE, BOOST_RANDOM_ARG2_VALUE);
#elif defined(BOOST_RANDOM_ARG2)
BOOST_RANDOM_DISTRIBUTION dist(BOOST_RANDOM_ARG1_VALUE, BOOST_RANDOM_ARG2_VALUE);
#else
BOOST_RANDOM_DISTRIBUTION dist(BOOST_RANDOM_ARG1_VALUE);
#endif
std::stringstream stream;
stream << dist;
BOOST_RANDOM_DISTRIBUTION restored_dist;
stream >> restored_dist;
BOOST_CHECK_EQUAL(dist, restored_dist);
}
void use(BOOST_RANDOM_DISTRIBUTION::result_type) {}
BOOST_AUTO_TEST_CASE(test_generation) {
boost::minstd_rand0 gen;
BOOST_RANDOM_DISTRIBUTION dist BOOST_RANDOM_TEST1_PARAMS;
BOOST_RANDOM_DISTRIBUTION dist_two BOOST_RANDOM_TEST2_PARAMS;
#ifdef BOOST_RANDOM_TEST3_PARAMS
BOOST_RANDOM_DISTRIBUTION dist_three BOOST_RANDOM_TEST3_PARAMS;
#endif
typedef BOOST_RANDOM_DISTRIBUTION::result_type result_type;
for(int i = 0; i < 10; ++i) {
result_type value = dist(gen);
use(value);
#ifdef BOOST_RANDOM_TEST1_MIN
BOOST_CHECK_GE(value, BOOST_RANDOM_TEST1_MIN);
#endif
#ifdef BOOST_RANDOM_TEST1_MAX
BOOST_CHECK_LE(value, BOOST_RANDOM_TEST1_MAX);
#endif
result_type value_two = dist_two(gen);
use(value_two);
#ifdef BOOST_RANDOM_TEST2_MIN
BOOST_CHECK_GE(value_two, BOOST_RANDOM_TEST2_MIN);
#endif
#ifdef BOOST_RANDOM_TEST2_MAX
BOOST_CHECK_LE(value_two, BOOST_RANDOM_TEST2_MAX);
#endif
#ifdef BOOST_RANDOM_TEST3_PARAMS
result_type value_three = dist_three(gen);
use(value_three);
#endif
#ifdef BOOST_RANDOM_TEST3_MIN
BOOST_CHECK_GE(value_three, BOOST_RANDOM_TEST3_MIN);
#endif
#ifdef BOOST_RANDOM_TEST3_MAX
BOOST_CHECK_LE(value_three, BOOST_RANDOM_TEST3_MAX);
#endif
result_type value_param = dist_two(gen, dist.param());
use(value_param);
#ifdef BOOST_RANDOM_TEST1_MIN
BOOST_CHECK_GE(value_param, BOOST_RANDOM_TEST1_MIN);
#endif
#ifdef BOOST_RANDOM_TEST1_MAX
BOOST_CHECK_LE(value_param, BOOST_RANDOM_TEST1_MAX);
#endif
result_type value_two_param = dist(gen, dist_two.param());
use(value_two_param);
#ifdef BOOST_RANDOM_TEST2_MIN
BOOST_CHECK_GE(value_two_param, BOOST_RANDOM_TEST2_MIN);
#endif
#ifdef BOOST_RANDOM_TEST2_MAX
BOOST_CHECK_LE(value_two_param, BOOST_RANDOM_TEST2_MAX);
#endif
#ifdef BOOST_RANDOM_TEST3_PARAMS
result_type value_three_param = dist(gen, dist_three.param());
use(value_three_param);
#endif
#ifdef BOOST_RANDOM_TEST3_MIN
BOOST_CHECK_GE(value_three_param, BOOST_RANDOM_TEST3_MIN);
#endif
#ifdef BOOST_RANDOM_TEST3_MAX
BOOST_CHECK_LE(value_three_param, BOOST_RANDOM_TEST3_MAX);
#endif
}
}
BOOST_AUTO_TEST_CASE(test_generation_float) {
boost::lagged_fibonacci607 gen;
BOOST_RANDOM_DISTRIBUTION dist BOOST_RANDOM_TEST1_PARAMS;
BOOST_RANDOM_DISTRIBUTION dist_two BOOST_RANDOM_TEST2_PARAMS;
typedef BOOST_RANDOM_DISTRIBUTION::result_type result_type;
for(int i = 0; i < 10; ++i) {
result_type value = dist(gen);
use(value);
#ifdef BOOST_RANDOM_TEST1_MIN
BOOST_CHECK_GE(value, BOOST_RANDOM_TEST1_MIN);
#endif
#ifdef BOOST_RANDOM_TEST1_MAX
BOOST_CHECK_LE(value, BOOST_RANDOM_TEST1_MAX);
#endif
result_type value_two = dist_two(gen);
use(value_two);
#ifdef BOOST_RANDOM_TEST2_MIN
BOOST_CHECK_GE(value_two, BOOST_RANDOM_TEST2_MIN);
#endif
#ifdef BOOST_RANDOM_TEST2_MAX
BOOST_CHECK_LE(value_two, BOOST_RANDOM_TEST2_MAX);
#endif
result_type value_param = dist_two(gen, dist.param());
use(value_param);
#ifdef BOOST_RANDOM_TEST1_MIN
BOOST_CHECK_GE(value_param, BOOST_RANDOM_TEST1_MIN);
#endif
#ifdef BOOST_RANDOM_TEST1_MAX
BOOST_CHECK_LE(value_param, BOOST_RANDOM_TEST1_MAX);
#endif
result_type value_two_param = dist(gen, dist_two.param());
use(value_two_param);
#ifdef BOOST_RANDOM_TEST2_MIN
BOOST_CHECK_GE(value_two_param, BOOST_RANDOM_TEST2_MIN);
#endif
#ifdef BOOST_RANDOM_TEST2_MAX
BOOST_CHECK_LE(value_two_param, BOOST_RANDOM_TEST2_MAX);
#endif
}
}
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