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math/tools/laguerre_data.cpp
2006-12-12 17:25:29 +00:00

103 lines
2.6 KiB
C++

#include <boost/math/tools/ntl.hpp>
#include <boost/math/tools/test_data.hpp>
#include <boost/test/included/test_exec_monitor.hpp>
#include <boost/math/special_functions/laguerre.hpp>
#include <boost/math/special_functions/gamma.hpp>
#include <fstream>
#include <boost/math/tools/test_data.hpp>
#include <boost/tr1/random.hpp>
using namespace boost::math::tools;
using namespace boost::math;
using namespace std;
template<class T>
std::tr1::tuple<T, T, T> laguerre2_data(T n, T x)
{
n = floor(n);
T r1 = laguerre(boost::math::tools::real_cast<unsigned>(n), x);
return std::tr1::make_tuple(n, x, r1);
}
template<class T>
std::tr1::tuple<T, T, T, T> laguerre3_data(T n, T m, T x)
{
n = floor(n);
m = floor(m);
T r1 = laguerre(real_cast<unsigned>(n), real_cast<unsigned>(m), x);
return std::tr1::make_tuple(n, m, x, r1);
}
int test_main(int argc, char*argv [])
{
using namespace boost::math::tools;
NTL::RR::SetOutputPrecision(50);
NTL::RR::SetPrecision(1000);
parameter_info<NTL::RR> arg1, arg2, arg3;
test_data<NTL::RR> data;
bool cont;
std::string line;
if(argc < 1)
return 1;
if(strcmp(argv[1], "--laguerre2") == 0)
{
do{
if(0 == get_user_parameter_info(arg1, "n"))
return 1;
if(0 == get_user_parameter_info(arg2, "x"))
return 1;
arg1.type |= dummy_param;
arg2.type |= dummy_param;
data.insert(&laguerre2_data<NTL::RR>, arg1, arg2);
std::cout << "Any more data [y/n]?";
std::getline(std::cin, line);
boost::algorithm::trim(line);
cont = (line == "y");
}while(cont);
}
else if(strcmp(argv[1], "--laguerre3") == 0)
{
do{
if(0 == get_user_parameter_info(arg1, "n"))
return 1;
if(0 == get_user_parameter_info(arg2, "m"))
return 1;
if(0 == get_user_parameter_info(arg3, "x"))
return 1;
arg1.type |= dummy_param;
arg2.type |= dummy_param;
arg3.type |= dummy_param;
data.insert(&laguerre3_data<NTL::RR>, arg1, arg2, arg3);
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=laguerre.ipp]";
std::getline(std::cin, line);
boost::algorithm::trim(line);
if(line == "")
line = "laguerre.ipp";
std::ofstream ofs(line.c_str());
line.erase(line.find('.'));
ofs << std::scientific;
write_code(ofs, data, line.c_str());
return 0;
}