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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 | // Setting precision in a single function call using make_policy. | |
11 | ||
12 | #include <iostream> | |
13 | using std::cout; using std::endl; | |
14 | ||
15 | //[policy_ref_snip10 | |
16 | ||
17 | #include <boost/math/special_functions/gamma.hpp> | |
18 | using boost::math::tgamma; | |
19 | ||
20 | using namespace boost::math::policies; | |
21 | ||
22 | double t = tgamma(12, policy<digits10<5> >()); // Concise make_policy. | |
23 | ||
24 | //] //[/policy_ref_snip10] | |
25 | ||
26 | ||
27 | ||
28 | int main() | |
29 | { | |
30 | cout << "tgamma(12, policy<digits10<5> >()) = "<< t << endl; | |
31 | } | |
32 | ||
33 | /* | |
34 | ||
35 | Output: | |
36 | ||
37 | tgamma(12, policy<digits10<5> >()) = 3.99168e+007 | |
38 | ||
39 | */ | |
40 |