| // Copyright John Maddock 2007. |
| // Copyright Paul A. Bristow 2010. |
| // 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) |
| |
| // Note that this file contains quickbook mark-up as well as code |
| // and comments, don't change any of the special comment mark-ups! |
| |
| #ifdef _MSC_VER |
| # pragma warning (disable : 4305) // 'initializing' : truncation from 'long double' to 'const eval_type' |
| # pragma warning (disable : 4244) // 'conversion' : truncation from 'long double' to 'const eval_type' |
| #endif |
| |
| //[policy_ref_snip4 |
| |
| #include <boost/math/distributions/normal.hpp> |
| using boost::math::normal_distribution; |
| |
| using namespace boost::math::policies; |
| |
| // Define a policy: |
| typedef policy< |
| promote_float<false> |
| > my_policy; |
| |
| // Define the new normal distribution using my_policy: |
| typedef normal_distribution<float, my_policy> my_norm; |
| |
| // Get a quantile: |
| float q = quantile(my_norm(), 0.05f); |
| |
| //] [policy_ref_snip4] |
| |
| #include <iostream> |
| using std::cout; using std::endl; |
| |
| int main() |
| { |
| cout << " quantile(my_norm(), 0.05f) = " << q << endl; // -1.64485 |
| } |