1 // Copyright John Maddock 2007.
2 // Copyright Paul A. Bristow 2010.
3 // Use, modification and distribution are subject to the
4 // Boost Software License, Version 1.0. (See accompanying file
5 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6
7 // Note that this file contains quickbook mark-up as well as code
8 // and comments, don't change any of the special comment mark-ups!
9
10 //[policy_ref_snip7
11
12 #include <boost/math/distributions/negative_binomial.hpp>
13 using boost::math::negative_binomial_distribution;
14
15 using namespace boost::math::policies;
16
17 typedef negative_binomial_distribution<
18 double,
19 policy<discrete_quantile<integer_round_inwards> >
20 > dist_type;
21
22 // Lower quantile rounded up:
23 double x = quantile(dist_type(20, 0.3), 0.05); // 28 rounded up from 27.3898
24 // Upper quantile rounded down:
25 double y = quantile(complement(dist_type(20, 0.3), 0.05)); // 68 rounded down from 68.1584
26
27 //] //[/policy_ref_snip7]
28
29 #include <iostream>
30 using std::cout; using std::endl;
31
main()32 int main()
33 {
34 cout << "using policy<discrete_quantile<integer_round_inwards> > " << endl
35 << "quantile(dist_type(20, 0.3), 0.05) = " << x << endl
36 << "quantile(complement(dist_type(20, 0.3), 0.05)) = " << y << endl;
37 }
38
39 /*
40
41 Output:
42 using policy<discrete_quantile<integer_round_inwards> >
43 quantile(dist_type(20, 0.3), 0.05) = 28
44 quantile(complement(dist_type(20, 0.3), 0.05)) = 68
45
46
47 */
48
49