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- // (C) Copyright John Maddock 2006.
- // 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)
- #include <boost/math/special_functions/gamma.hpp>
- #include <boost/math/special_functions/beta.hpp>
- #include <boost/math/constants/constants.hpp>
- #include <boost/lexical_cast.hpp>
- #include <fstream>
- #include <map>
- #include <boost/math/tools/test_data.hpp>
- #include <boost/random.hpp>
- #include "mp_t.hpp"
- using namespace boost::math::tools;
- using namespace boost::math;
- using namespace std;
- #include <libs/math/test/table_type.hpp>
- #define T double
- #define SC_(x) static_cast<double>(x)
- #include <libs/math/test/ibeta_int_data.ipp>
- int main(int, char* [])
- {
- std::cout << "Enter name of test data file [default=ibeta_derivative_data.ipp]";
- std::string line;
- std::getline(std::cin, line);
- boost::algorithm::trim(line);
- if(line == "")
- line = "ibeta_derivative_data.ipp";
- std::ofstream ofs(line.c_str());
- ofs << std::scientific << std::setprecision(40);
- ofs <<
- "// (C) Copyright John Maddock 2006.\n"
- "// Use, modification and distribution are subject to the\n"
- "// Boost Software License, Version 1.0. (See accompanying file\n"
- "// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)\n"
- "\n\n"
- "static const boost::array<boost::array<typename table_type<T>::type, 4>, " << ibeta_int_data.size() << "> ibeta_derivative_small_data = { {\n";
-
- for(unsigned i = 0; i < ibeta_int_data.size(); ++i)
- {
- mp_t a(ibeta_int_data[i][0]);
- mp_t b(ibeta_int_data[i][1]);
- mp_t x(ibeta_int_data[i][2]);
- std::cout << a << std::endl;
- std::cout << b << std::endl;
- std::cout << x << std::endl;
- mp_t bet = exp(boost::math::lgamma(a) + boost::math::lgamma(b) - boost::math::lgamma(a + b));
- mp_t d = pow(1 - x, b - 1) * pow(x, a - 1) / bet;
- ofs << "{{ SC_(" << a << "), SC_(" << b << "), SC_(" << x << "), SC_(" << d << ") }}\n";
- }
- ofs << "}};\n\n";
- return 0;
- }
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