| // arcsine_example.cpp |
| |
| // Copyright John Maddock 2014. |
| // Copyright Paul A. Bristow 2014. |
| |
| // Use, modification and distribution are subject to 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) |
| |
| // Example for the arcsine Distribution. |
| |
| // Note: Contains Quickbook snippets in comments. |
| |
| //[arcsine_snip_1 |
| #include <boost/math/distributions/arcsine.hpp> // For arcsine_distribution. |
| //] [/arcsine_snip_1] |
| |
| #include <iostream> |
| #include <exception> |
| |
| int main() |
| { |
| std::cout << "Examples of Arcsine distribution." << std::endl; |
| std::cout.precision(3); // Avoid uninformative decimal digits. |
| |
| using boost::math::arcsine; |
| |
| arcsine as; // Construct a default `double` standard [0, 1] arcsine distribution. |
| |
| //[arcsine_snip_2 |
| std::cout << pdf(as, 1. / 2) << std::endl; // 0.637 |
| // pdf has a minimum at x = 0.5 |
| //] [/arcsine_snip_2] |
| |
| //[arcsine_snip_3 |
| std::cout << pdf(as, 1. / 4) << std::endl; // 0.735 |
| //] [/arcsine_snip_3] |
| |
| |
| //[arcsine_snip_4 |
| std::cout << cdf(as, 0.05) << std::endl; // 0.144 |
| //] [/arcsine_snip_4] |
| |
| //[arcsine_snip_5 |
| std::cout << 2 * cdf(as, 1 - 0.975) << std::endl; // 0.202 |
| //] [/arcsine_snip_5] |
| |
| |
| //[arcsine_snip_6 |
| std::cout << 2 * cdf(complement(as, 0.975)) << std::endl; // 0.202 |
| //] [/arcsine_snip_6] |
| |
| //[arcsine_snip_7 |
| std::cout << quantile(as, 1 - 0.2 / 2) << std::endl; // 0.976 |
| |
| std::cout << quantile(complement(as, 0.2 / 2)) << std::endl; // 0.976 |
| //] [/arcsine_snip_7] |
| |
| { |
| //[arcsine_snip_8 |
| using boost::math::arcsine_distribution; |
| |
| arcsine_distribution<> as(2, 5); // Cconstructs a double arcsine distribution. |
| assert(as.x_min() == 2.); // as.x_min() returns 2. |
| assert(as.x_max() == 5.); // as.x_max() returns 5. |
| //] [/arcsine_snip_8] |
| } |
| return 0; |
| |
| } // int main() |
| |
| /* |
| [arcsine_output |
| |
| Example of Arcsine distribution |
| 0.637 |
| 0.735 |
| 0.144 |
| 0.202 |
| 0.202 |
| 0.976 |
| 0.976 |
| |
| ] [/arcsine_output] |
| */ |
| |
| |