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51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
// (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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#include <boost/math/special_functions/expint.hpp>
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#include <boost/math/constants/constants.hpp>
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#include <fstream>
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#include <boost/math/tools/test_data.hpp>
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#include "mp_t.hpp"
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using namespace boost::math::tools;
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int main()
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{
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parameter_info<mp_t> arg1;
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test_data<mp_t> data;
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mp_t (*f)(mp_t) = boost::math::expint;
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std::cout << "Welcome.\n"
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"This program will generate spot tests for the expint Ei function:\n"
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" expint(a)\n\n";
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bool cont;
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std::string line;
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do{
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get_user_parameter_info(arg1, "a");
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data.insert(f, arg1);
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std::cout << "Any more data [y/n]?";
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std::getline(std::cin, line);
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boost::algorithm::trim(line);
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cont = (line == "y");
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}while(cont);
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std::cout << "Enter name of test data file [default=expinti_data.ipp]";
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std::getline(std::cin, line);
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boost::algorithm::trim(line);
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if(line == "")
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line = "expinti_data.ipp";
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std::ofstream ofs(line.c_str());
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ofs << std::scientific << std::setprecision(40);
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write_code(ofs, data, "expinti_data");
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return 0;
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}
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