Initial commit

libs/math/tools/digamma_data.cpp

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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/digamma.hpp>
+#include <boost/test/included/prg_exec_monitor.hpp>
+#include <fstream>
+#include <boost/math/tools/test_data.hpp>
+#include "mp_t.hpp"
+
+using namespace boost::math::tools;
+using namespace std;
+
+float external_f;
+float force_truncate(const float* f)
+{
+   external_f = *f;
+   return external_f;
+}
+
+float truncate_to_float(mp_t r)
+{
+   float f = boost::math::tools::real_cast<float>(r);
+   return force_truncate(&f);
+}
+
+int cpp_main(int argc, char*argv [])
+{
+   parameter_info<mp_t> arg1;
+   test_data<mp_t> data;
+
+   bool cont;
+   std::string line;
+
+   std::cout << "Welcome.\n"
+      "This program will generate spot tests for the digamma function:\n"
+      "  digamma(z)\n\n";
+
+   do{
+      if(0 == get_user_parameter_info(arg1, "z"))
+         return 1;
+      data.insert(&boost::math::digamma<mp_t>, arg1);
+
+      std::cout << "Any more data [y/n]?";
+      std::getline(std::cin, line);
+      boost::algorithm::trim(line);
+      cont = (line == "y");
+   }while(cont);
+
+   std::cout << "Enter name of test data file [default=digamma_data.ipp]";
+   std::getline(std::cin, line);
+   boost::algorithm::trim(line);
+   if(line == "")
+      line = "digamma_data.ipp";
+   std::ofstream ofs(line.c_str());
+   ofs << std::scientific << std::setprecision(40);
+   write_code(ofs, data, "digamma_data");
+   
+   return 0;
+}
+
+
+