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-rw-r--r--src/boost/libs/math/tools/zeta_data.cpp72
1 files changed, 72 insertions, 0 deletions
diff --git a/src/boost/libs/math/tools/zeta_data.cpp b/src/boost/libs/math/tools/zeta_data.cpp
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+++ b/src/boost/libs/math/tools/zeta_data.cpp
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+// Copyright John Maddock 2007.
+// 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/zeta.hpp>
+#include <boost/math/constants/constants.hpp>
+#include <fstream>
+#include <boost/math/tools/test_data.hpp>
+#include "mp_t.hpp"
+
+using namespace boost::math::tools;
+using namespace std;
+
+struct zeta_data_generator
+{
+ mp_t operator()(mp_t z)
+ {
+ std::cout << z << " ";
+ mp_t result = boost::math::zeta(z);
+ std::cout << result << std::endl;
+ return result;
+ }
+};
+
+struct zeta_data_generator2
+{
+ boost::math::tuple<mp_t, mp_t> operator()(mp_t z)
+ {
+ std::cout << -z << " ";
+ mp_t result = boost::math::zeta(-z);
+ std::cout << result << std::endl;
+ return boost::math::make_tuple(-z, result);
+ }
+};
+
+
+int 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 zeta function:\n";
+
+ do{
+ if(0 == get_user_parameter_info(arg1, "z"))
+ return 1;
+ arg1.type |= dummy_param;
+ data.insert(zeta_data_generator2(), 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=zeta_data.ipp]";
+ std::getline(std::cin, line);
+ boost::algorithm::trim(line);
+ if(line == "")
+ line = "zeta_data.ipp";
+ std::ofstream ofs(line.c_str());
+ ofs << std::scientific << std::setprecision(40);
+ write_code(ofs, data, "zeta_data");
+
+ return 0;
+}
+