65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
// (C) Copyright John Maddock 2006.
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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/digamma.hpp>
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#include <boost/test/included/prg_exec_monitor.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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using namespace std;
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float external_f;
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float force_truncate(const float* f)
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{
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external_f = *f;
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return external_f;
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}
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float truncate_to_float(mp_t r)
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{
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float f = boost::math::tools::real_cast<float>(r);
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return force_truncate(&f);
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}
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int cpp_main(int argc, char*argv [])
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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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bool cont;
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std::string line;
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std::cout << "Welcome.\n"
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"This program will generate spot tests for the digamma function:\n"
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" digamma(z)\n\n";
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do{
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if(0 == get_user_parameter_info(arg1, "z"))
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return 1;
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data.insert(&boost::math::digamma<mp_t>, 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=digamma_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 = "digamma_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, "digamma_data");
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return 0;
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}
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