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42 lines
1.0 KiB
C++
42 lines
1.0 KiB
C++
// Copyright John Maddock 2007.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// Note that this file contains quickbook mark-up as well as code
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// and comments, don't change any of the special comment mark-ups!
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#include <iostream>
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//[policy_eg_5
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#include <boost/math/special_functions.hpp>
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namespace {
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using namespace boost::math::policies;
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typedef policy<
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domain_error<errno_on_error>,
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pole_error<errno_on_error>,
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overflow_error<errno_on_error>,
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evaluation_error<errno_on_error>
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> c_policy;
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BOOST_MATH_DECLARE_SPECIAL_FUNCTIONS(c_policy)
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} // close unnamed namespace
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int main()
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{
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errno = 0;
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std::cout << "Result of tgamma(30000) is: "
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<< tgamma(30000) << std::endl;
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std::cout << "errno = " << errno << std::endl;
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std::cout << "Result of tgamma(-10) is: "
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<< tgamma(-10) << std::endl;
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std::cout << "errno = " << errno << std::endl;
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}
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//]
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