mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-11-18 01:52:05 -05:00
87 lines
2.2 KiB
C++
87 lines
2.2 KiB
C++
// (C) 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/spherical_harmonic.hpp>
|
|
#include <fstream>
|
|
#include <boost/math/tools/test_data.hpp>
|
|
#include <boost/random.hpp>
|
|
#include "mp_t.hpp"
|
|
|
|
using namespace boost::math::tools;
|
|
using namespace boost::math;
|
|
using namespace std;
|
|
|
|
float extern_val;
|
|
// confuse the compilers optimiser, and force a truncation to float precision:
|
|
float truncate_to_float(float const * pf)
|
|
{
|
|
extern_val = *pf;
|
|
return *pf;
|
|
}
|
|
|
|
|
|
|
|
template<class T>
|
|
boost::math::tuple<T, T, T, T, T, T> spherical_harmonic_data(T i)
|
|
{
|
|
static boost::mt19937 r;
|
|
|
|
int n = real_cast<int>(floor(i));
|
|
boost::uniform_int<> ui(0, (std::min)(n, 40));
|
|
int m = ui(r);
|
|
|
|
boost::uniform_real<float> ur(-2*constants::pi<float>(), 2*constants::pi<float>());
|
|
float _theta = ur(r);
|
|
float _phi = ur(r);
|
|
T theta = truncate_to_float(&_theta);
|
|
T phi = truncate_to_float(&_phi);
|
|
|
|
T r1 = spherical_harmonic_r(n, m, theta, phi);
|
|
T r2 = spherical_harmonic_i(n, m, theta, phi);
|
|
return boost::math::make_tuple(n, m, theta, phi, r1, r2);
|
|
}
|
|
|
|
int main(int argc, char*argv [])
|
|
{
|
|
using namespace boost::math::tools;
|
|
|
|
parameter_info<mp_t> arg1, arg2, arg3;
|
|
test_data<mp_t> data;
|
|
|
|
bool cont;
|
|
std::string line;
|
|
|
|
if(argc < 1)
|
|
return 1;
|
|
|
|
do{
|
|
if(0 == get_user_parameter_info(arg1, "n"))
|
|
return 1;
|
|
arg1.type |= dummy_param;
|
|
arg2.type |= dummy_param;
|
|
arg3 = arg2;
|
|
|
|
data.insert(&spherical_harmonic_data<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=spherical_harmonic.ipp]";
|
|
std::getline(std::cin, line);
|
|
boost::algorithm::trim(line);
|
|
if(line == "")
|
|
line = "spherical_harmonic.ipp";
|
|
std::ofstream ofs(line.c_str());
|
|
line.erase(line.find('.'));
|
|
ofs << std::scientific << std::setprecision(40);
|
|
write_code(ofs, data, line.c_str());
|
|
|
|
return 0;
|
|
}
|
|
|