1 /* test_uniform_on_sphere_distribution.cpp
3 * Copyright Steven Watanabe 2011
4 * Distributed under the Boost Software License, Version 1.0. (See
5 * accompanying file LICENSE_1_0.txt or copy at
6 * http://www.boost.org/LICENSE_1_0.txt)
12 #include <boost/random/uniform_on_sphere.hpp>
13 #include <boost/assign/list_of.hpp>
17 #define BOOST_RANDOM_DISTRIBUTION boost::random::uniform_on_sphere<>
18 #define BOOST_RANDOM_ARG1 dim
19 #define BOOST_RANDOM_ARG1_DEFAULT 2
20 #define BOOST_RANDOM_ARG1_VALUE 3
22 std::vector<double> min0 = boost::assign::list_of(-1.0)(0.0);
23 std::vector<double> max0 = boost::assign::list_of(1.0)(0.0);
24 std::vector<double> min1 = boost::assign::list_of(-1.0)(0.0)(0.0);
25 std::vector<double> max1 = boost::assign::list_of(1.0)(0.0)(0.0);
27 #define BOOST_RANDOM_DIST0_MIN min0
28 #define BOOST_RANDOM_DIST0_MAX max0
29 #define BOOST_RANDOM_DIST1_MIN min1
30 #define BOOST_RANDOM_DIST1_MAX max1
32 #define BOOST_RANDOM_TEST1_PARAMS (0)
33 #define BOOST_RANDOM_TEST1_MIN std::vector<double>()
34 #define BOOST_RANDOM_TEST1_MAX std::vector<double>()
35 #define BOOST_RANDOM_TEST2_PARAMS
36 #define BOOST_RANDOM_TEST2_MIN min0
37 #define BOOST_RANDOM_TEST2_MAX max0
39 #include <boost/test/test_tools.hpp>
41 BOOST_TEST_DONT_PRINT_LOG_VALUE( std::vector<double> )
43 #include "test_distribution.ipp"
45 #include <boost/math/special_functions/fpclassify.hpp>
47 struct generate_zeros {
49 generate_zeros() : i(0) {}
50 typedef unsigned result_type;
51 static unsigned (min)() { return 0u; }
52 static unsigned (max)() { return boost::random::minstd_rand0::max(); }
53 unsigned operator()() {
54 static unsigned data[] = { 0, 0, 0, 0, 0, 0 };
63 boost::random::minstd_rand0 gen;
66 BOOST_AUTO_TEST_CASE(test_zeros) {
68 boost::random::uniform_on_sphere<> dist(2);
69 std::vector<double> val = dist(gen);
70 BOOST_CHECK(!(boost::math::isnan)(val[0]));