| // 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]) * boost::math::erfc(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(2 * (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); |
| double erfc(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]) * erfc(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(2 * (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]) * gsl_sf_erfc(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(2 * (sizeof(erf_data) + sizeof(erf_large_data) + sizeof(erf_small_data)) / sizeof(erf_data[0])); |
| } |
| |
| #endif |
| |
| |
| #ifdef TEST_DCDFLIB |
| #include <dcdflib.h> |
| |
| template <std::size_t N> |
| double erf_evaluate2_dcd(const boost::array<boost::array<T, 3>, N>& data) |
| { |
| int scale = 0; |
| double result = 0; |
| for(unsigned i = 0; i < N; ++i) |
| { |
| double x = data[i][0]; |
| result += error_f(&x) + error_fc(&scale, &x); |
| } |
| return result; |
| } |
| |
| BOOST_MATH_PERFORMANCE_TEST(erf_test_dcd, "erf-dcd") |
| { |
| double result = erf_evaluate2_dcd(erf_data); |
| result += erf_evaluate2_dcd(erf_large_data); |
| result += erf_evaluate2_dcd(erf_small_data); |
| |
| consume_result(result); |
| set_call_count(2 * (sizeof(erf_data) + sizeof(erf_large_data) + sizeof(erf_small_data)) / sizeof(erf_data[0])); |
| } |
| |
| #endif |
| |