Initial commit

libs/math/performance/test_erf.cpp

@@ -0,0 +1,138 @@
+//  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
+