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// 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!
// Setting precision in a single function call using make_policy.
#include <iostream>
using std::cout; using std::endl;
//[policy_ref_snip10
#include <boost/math/special_functions/gamma.hpp>
using boost::math::tgamma;
using namespace boost::math::policies;
double t = tgamma(12, policy<digits10<5> >()); // Concise make_policy.
//] //[/policy_ref_snip10]
int main()
{
cout << "tgamma(12, policy<digits10<5> >()) = "<< t << endl;
}
/*
Output:
tgamma(12, policy<digits10<5> >()) = 3.99168e+007
*/
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