mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-11-17 01:22:15 -05:00
84 lines
2.5 KiB
C++
84 lines
2.5 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 <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;
|
|
|
|
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);
|
|
}
|
|
|
|
struct trig_data_generator
|
|
{
|
|
boost::math::tuple<mp_t, mp_t> operator()(mp_t z)
|
|
{
|
|
return boost::math::make_tuple(sin(z * boost::math::constants::pi<mp_t>()), cos(z * boost::math::constants::pi<mp_t>()));
|
|
}
|
|
};
|
|
|
|
|
|
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 cos_pi and sin_pi functions:\n";
|
|
|
|
do{
|
|
if(0 == get_user_parameter_info(arg1, "a"))
|
|
return 1;
|
|
data.insert(trig_data_generator(), 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=trig_data.ipp]";
|
|
std::getline(std::cin, line);
|
|
boost::algorithm::trim(line);
|
|
if(line == "")
|
|
line = "trig_data.ipp";
|
|
std::ofstream ofs(line.c_str());
|
|
ofs << std::scientific << std::setprecision(40);
|
|
write_code(ofs, data, "trig_data");
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Output for asymptotic limits:
|
|
|
|
Erf asymptotic limit for 24 bit numbers is 2.8 after approximately 6 terms.
|
|
Erfc asymptotic limit for 24 bit numbers is 4.12064 after approximately 17 terms.
|
|
Erf asymptotic limit for 53 bit numbers is 4.3 after approximately 11 terms.
|
|
Erfc asymptotic limit for 53 bit numbers is 6.19035 after approximately 29 terms.
|
|
Erf asymptotic limit for 64 bit numbers is 4.8 after approximately 12 terms.
|
|
Erfc asymptotic limit for 64 bit numbers is 7.06004 after approximately 29 terms.
|
|
Erf asymptotic limit for 106 bit numbers is 6.5 after approximately 14 terms.
|
|
Erfc asymptotic limit for 106 bit numbers is 11.6626 after approximately 29 terms.
|
|
Erf asymptotic limit for 113 bit numbers is 6.8 after approximately 14 terms.
|
|
Erfc asymptotic limit for 113 bit numbers is 12.6802 after approximately 29 terms.
|
|
*/
|
|
|