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// 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 "required_defines.hpp"
#include "performance_measure.hpp"
#include <boost/math/special_functions/gamma.hpp>
#include <boost/array.hpp>
#define T double
#include "../test/erf_data.ipp"
#include "../test/erf_large_data.ipp"
#include "../test/erf_small_data.ipp"
template <std::size_t N>
double erf_evaluate2(const boost::array<boost::array<T, 3>, N>& data)
{
double result = 0;
for(unsigned i = 0; i < N; ++i)
result += boost::math::erf(data[i][0]);
return result;
}
BOOST_MATH_PERFORMANCE_TEST(erf_test, "erf")
{
double result = erf_evaluate2(erf_data);
result += erf_evaluate2(erf_large_data);
result += erf_evaluate2(erf_small_data);
consume_result(result);
set_call_count((sizeof(erf_data) + sizeof(erf_large_data) + sizeof(erf_small_data)) / sizeof(erf_data[0]));
}
template <std::size_t N>
double erf_inv_evaluate2(const boost::array<boost::array<T, 3>, N>& data)
{
double result = 0;
for(unsigned i = 0; i < N; ++i)
result += boost::math::erf_inv(data[i][1]);
return result;
}
BOOST_MATH_PERFORMANCE_TEST(erf_inv_test, "erf_inv")
{
double result = erf_inv_evaluate2(erf_data);
result += erf_inv_evaluate2(erf_large_data);
result += erf_inv_evaluate2(erf_small_data);
consume_result(result);
set_call_count((sizeof(erf_data) + sizeof(erf_large_data) + sizeof(erf_small_data)) / sizeof(erf_data[0]));
}
#ifdef TEST_CEPHES
extern "C" {
double erf(double);
}
template <std::size_t N>
double erf_evaluate_cephes(const boost::array<boost::array<T, 3>, N>& data)
{
double result = 0;
for(unsigned i = 0; i < N; ++i)
result += erf(data[i][0]);
return result;
}
BOOST_MATH_PERFORMANCE_TEST(erf_test, "erf-cephes")
{
double result = erf_evaluate_cephes(erf_data);
result += erf_evaluate_cephes(erf_large_data);
result += erf_evaluate_cephes(erf_small_data);
consume_result(result);
set_call_count((sizeof(erf_data) + sizeof(erf_large_data) + sizeof(erf_small_data)) / sizeof(erf_data[0]));
}
#endif
#ifdef TEST_GSL
#include <gsl/gsl_sf.h>
template <std::size_t N>
double erf_evaluate_gsl(const boost::array<boost::array<T, 3>, N>& data)
{
double result = 0;
for(unsigned i = 0; i < N; ++i)
result += gsl_sf_erf (data[i][0]);
return result;
}
BOOST_MATH_PERFORMANCE_TEST(erf_test, "erf-gsl")
{
double result = erf_evaluate_gsl(erf_data);
result += erf_evaluate_gsl(erf_large_data);
result += erf_evaluate_gsl(erf_small_data);
consume_result(result);
set_call_count((sizeof(erf_data) + sizeof(erf_large_data) + sizeof(erf_small_data)) / sizeof(erf_data[0]));
}
#endif
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