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// 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/bindings/rr.hpp>
//#include <boost/math/tools/dual_precision.hpp>
#include <boost/math/tools/test_data.hpp>
#include <boost/test/included/test_exec_monitor.hpp>
#include <boost/math/special_functions/ellint_3.hpp>
#include <fstream>
#include <boost/math/tools/test_data.hpp>
#include <boost/tr1/random.hpp>
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;
}
std::tr1::tuple<boost::math::ntl::RR, boost::math::ntl::RR, boost::math::ntl::RR, boost::math::ntl::RR> generate_rf_data(boost::math::ntl::RR n)
{
static std::tr1::mt19937 r;
std::tr1::uniform_real<float> ur(0, 1);
std::tr1::uniform_int<int> ui(-100, 100);
float x = ur(r);
x = ldexp(x, ui(r));
boost::math::ntl::RR xr(truncate_to_float(&x));
float y = ur(r);
y = ldexp(y, ui(r));
boost::math::ntl::RR yr(truncate_to_float(&y));
float z = ur(r);
z = ldexp(z, ui(r));
boost::math::ntl::RR zr(truncate_to_float(&z));
boost::math::ntl::RR result = boost::math::ellint_rf(xr, yr, zr);
return std::tr1::make_tuple(xr, yr, zr, result);
}
std::tr1::tuple<boost::math::ntl::RR, boost::math::ntl::RR, boost::math::ntl::RR> generate_rc_data(boost::math::ntl::RR n)
{
static std::tr1::mt19937 r;
std::tr1::uniform_real<float> ur(0, 1);
std::tr1::uniform_int<int> ui(-100, 100);
float x = ur(r);
x = ldexp(x, ui(r));
boost::math::ntl::RR xr(truncate_to_float(&x));
float y = ur(r);
y = ldexp(y, ui(r));
boost::math::ntl::RR yr(truncate_to_float(&y));
boost::math::ntl::RR result = boost::math::ellint_rc(xr, yr);
return std::tr1::make_tuple(xr, yr, result);
}
std::tr1::tuple<boost::math::ntl::RR, boost::math::ntl::RR, boost::math::ntl::RR, boost::math::ntl::RR, boost::math::ntl::RR> generate_rj_data(boost::math::ntl::RR n)
{
static std::tr1::mt19937 r;
std::tr1::uniform_real<float> ur(0, 1);
std::tr1::uniform_real<float> nur(-1, 1);
std::tr1::uniform_int<int> ui(-100, 100);
float x = ur(r);
x = ldexp(x, ui(r));
boost::math::ntl::RR xr(truncate_to_float(&x));
float y = ur(r);
y = ldexp(y, ui(r));
boost::math::ntl::RR yr(truncate_to_float(&y));
float z = ur(r);
z = ldexp(z, ui(r));
boost::math::ntl::RR zr(truncate_to_float(&z));
float p = nur(r);
p = ldexp(p, ui(r));
boost::math::ntl::RR pr(truncate_to_float(&p));
boost::math::ellint_rj(x, y, z, p);
boost::math::ntl::RR result = boost::math::ellint_rj(xr, yr, zr, pr);
return std::tr1::make_tuple(xr, yr, zr, pr, result);
}
std::tr1::tuple<boost::math::ntl::RR, boost::math::ntl::RR, boost::math::ntl::RR, boost::math::ntl::RR> generate_rd_data(boost::math::ntl::RR n)
{
static std::tr1::mt19937 r;
std::tr1::uniform_real<float> ur(0, 1);
std::tr1::uniform_int<int> ui(-100, 100);
float x = ur(r);
x = ldexp(x, ui(r));
boost::math::ntl::RR xr(truncate_to_float(&x));
float y = ur(r);
y = ldexp(y, ui(r));
boost::math::ntl::RR yr(truncate_to_float(&y));
float z = ur(r);
z = ldexp(z, ui(r));
boost::math::ntl::RR zr(truncate_to_float(&z));
boost::math::ntl::RR result = boost::math::ellint_rd(xr, yr, zr);
return std::tr1::make_tuple(xr, yr, zr, result);
}
int test_main(int argc, char*argv [])
{
using namespace boost::math::tools;
boost::math::ntl::RR::SetOutputPrecision(50);
boost::math::ntl::RR::SetPrecision(1000);
parameter_info<boost::math::ntl::RR> arg1, arg2;
test_data<boost::math::ntl::RR> data;
bool cont;
std::string line;
if(argc < 1)
return 1;
do{
int count;
std::cout << "Number of points: ";
std::cin >> count;
arg1 = make_periodic_param(boost::math::ntl::RR(0), boost::math::ntl::RR(1), count);
arg1.type |= dummy_param;
//
// Change this next line to get the R variant you want:
//
data.insert(&generate_rd_data, 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=ellint_rf_data.ipp]";
std::getline(std::cin, line);
boost::algorithm::trim(line);
if(line == "")
line = "ellint_rf_data.ipp";
std::ofstream ofs(line.c_str());
line.erase(line.find('.'));
ofs << std::scientific;
write_code(ofs, data, line.c_str());
return 0;
}
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