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math/tools/digamma_data.cpp
John Maddock 5997e3249c Added digamma.
Added needed #include to evaluation_type.
Updated minimax and lanczos generators to take account of digamma.


[SVN r3231]
2006-10-01 09:45:44 +00:00

68 lines
1.6 KiB
C++

// (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 "ntl_rr_digamma.hpp"
#include <boost/test/included/test_exec_monitor.hpp>
#include <boost/math/tools/test.hpp>
#include <fstream>
#include <boost/math/tools/test_data.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(NTL::RR r)
{
float f = boost::math::tools::real_cast<float>(r);
return force_truncate(&f);
}
int test_main(int argc, char*argv [])
{
NTL::RR::SetPrecision(1000);
NTL::RR::SetOutputPrecision(40);
parameter_info<NTL::RR> arg1;
test_data<NTL::RR> 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, 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());
write_code(ofs, data, "digamma_data");
return 0;
}