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libs/math/performance/test_ibeta.cpp

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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/beta.hpp>
+#include <boost/array.hpp>
+
+#define T double
+#include "../test/ibeta_data.ipp"
+#include "../test/ibeta_int_data.ipp"
+#include "../test/ibeta_large_data.ipp"
+#include "../test/ibeta_small_data.ipp"
+
+template <std::size_t N>
+double ibeta_evaluate2(const boost::array<boost::array<T, 7>, N>& data)
+{
+   double result = 0;
+   for(unsigned i = 0; i < N; ++i)
+      result += boost::math::ibeta(data[i][0], data[i][1], data[i][2]);
+   return result;
+}
+
+BOOST_MATH_PERFORMANCE_TEST(ibeta_test, "ibeta")
+{
+   double result = ibeta_evaluate2(ibeta_data);
+   result += ibeta_evaluate2(ibeta_int_data);
+   result += ibeta_evaluate2(ibeta_large_data);
+   result += ibeta_evaluate2(ibeta_small_data);
+
+   consume_result(result);
+   set_call_count(
+      (sizeof(ibeta_data) 
+      + sizeof(ibeta_int_data) 
+      + sizeof(ibeta_large_data)
+      + sizeof(ibeta_small_data)) / sizeof(ibeta_data[0]));
+}
+
+template <std::size_t N>
+double ibeta_inv_evaluate2(const boost::array<boost::array<T, 7>, N>& data)
+{
+   double result = 0;
+   for(unsigned i = 0; i < N; ++i)
+      result += boost::math::ibeta_inv(data[i][0], data[i][1], data[i][5]);
+   return result;
+}
+
+BOOST_MATH_PERFORMANCE_TEST(ibeta_inv_test, "ibeta_inv")
+{
+   double result = ibeta_inv_evaluate2(ibeta_data);
+   result += ibeta_inv_evaluate2(ibeta_int_data);
+   result += ibeta_inv_evaluate2(ibeta_large_data);
+   result += ibeta_inv_evaluate2(ibeta_small_data);
+
+   consume_result(result);
+   set_call_count(
+      (sizeof(ibeta_data) 
+      + sizeof(ibeta_int_data) 
+      + sizeof(ibeta_large_data)
+      + sizeof(ibeta_small_data)) / sizeof(ibeta_data[0]));
+}
+
+template <std::size_t N>
+double ibeta_invab_evaluate2(const boost::array<boost::array<T, 7>, N>& data)
+{
+   double result = 0;
+   for(unsigned i = 0; i < N; ++i)
+   {
+      //std::cout << "ibeta_inva(" << data[i][1] << "," << data[i][2] << "," << data[i][5] << ");" << std::endl;
+      result += boost::math::ibeta_inva(data[i][1], data[i][2], data[i][5]);
+      //std::cout << "ibeta_invb(" << data[i][0] << "," << data[i][2] << "," << data[i][5] << ");" << std::endl;
+      result += boost::math::ibeta_invb(data[i][0], data[i][2], data[i][5]);
+      //std::cout << "ibetac_inva(" << data[i][1] << "," << data[i][2] << "," << data[i][6] << ");" << std::endl;
+      result += boost::math::ibetac_inva(data[i][1], data[i][2], data[i][6]);
+      //std::cout << "ibetac_invb(" << data[i][0] << "," << data[i][2] << "," << data[i][6] << ");" << std::endl;
+      result += boost::math::ibetac_invb(data[i][0], data[i][2], data[i][6]);
+   }
+   return result;
+}
+
+BOOST_MATH_PERFORMANCE_TEST(ibeta_test, "ibeta_invab")
+{
+   double result = ibeta_invab_evaluate2(ibeta_data);
+   result += ibeta_invab_evaluate2(ibeta_int_data);
+   result += ibeta_invab_evaluate2(ibeta_large_data);
+   result += ibeta_invab_evaluate2(ibeta_small_data);
+
+   consume_result(result);
+   set_call_count(
+      4 * (sizeof(ibeta_data) 
+      + sizeof(ibeta_int_data) 
+      + sizeof(ibeta_large_data)
+      + sizeof(ibeta_small_data)) / sizeof(ibeta_data[0]));
+}
+
+#ifdef TEST_CEPHES
+
+extern "C" {
+
+double incbet(double a, double b, double x);
+double incbi(double a, double b, double y);
+
+}
+
+template <std::size_t N>
+double ibeta_evaluate_cephes(const boost::array<boost::array<T, 7>, N>& data)
+{
+   double result = 0;
+   for(unsigned i = 0; i < N; ++i)
+      result += incbet(data[i][0], data[i][1], data[i][2]);
+   return result;
+}
+
+BOOST_MATH_PERFORMANCE_TEST(ibeta_test, "ibeta-cephes")
+{
+   double result = ibeta_evaluate_cephes(ibeta_data);
+   result += ibeta_evaluate_cephes(ibeta_int_data);
+   result += ibeta_evaluate_cephes(ibeta_large_data);
+   result += ibeta_evaluate_cephes(ibeta_small_data);
+
+   consume_result(result);
+   set_call_count(
+      (sizeof(ibeta_data) 
+      + sizeof(ibeta_int_data) 
+      + sizeof(ibeta_large_data)
+      + sizeof(ibeta_small_data)) / sizeof(ibeta_data[0]));
+}
+
+template <std::size_t N>
+double ibeta_inv_evaluate_cephes(const boost::array<boost::array<T, 7>, N>& data)
+{
+   double result = 0;
+   for(unsigned i = 0; i < N; ++i)
+      result += incbi(data[i][0], data[i][1], data[i][5]);
+   return result;
+}
+
+BOOST_MATH_PERFORMANCE_TEST(ibeta_inv_test, "ibeta_inv-cephes")
+{
+   double result = ibeta_inv_evaluate_cephes(ibeta_data);
+   result += ibeta_inv_evaluate_cephes(ibeta_int_data);
+   result += ibeta_inv_evaluate_cephes(ibeta_large_data);
+   result += ibeta_inv_evaluate_cephes(ibeta_small_data);
+
+   consume_result(result);
+   set_call_count(
+      (sizeof(ibeta_data) 
+      + sizeof(ibeta_int_data) 
+      + sizeof(ibeta_large_data)
+      + sizeof(ibeta_small_data)) / sizeof(ibeta_data[0]));
+}
+
+#endif
+
+#ifdef TEST_GSL
+//
+// This test segfaults inside GSL....
+//
+
+#include <gsl/gsl_sf.h>
+
+template <std::size_t N>
+double ibeta_evaluate_gsl(const boost::array<boost::array<T, 7>, N>& data)
+{
+   double result = 0;
+   for(unsigned i = 0; i < N; ++i)
+      result += gsl_sf_beta_inc(data[i][0], data[i][1], data[i][2]);
+   return result;
+}
+
+BOOST_MATH_PERFORMANCE_TEST(ibeta_test, "ibeta-gsl")
+{
+   double result = ibeta_evaluate_gsl(ibeta_data);
+   result += ibeta_evaluate_gsl(ibeta_int_data);
+   result += ibeta_evaluate_gsl(ibeta_large_data);
+   result += ibeta_evaluate_gsl(ibeta_small_data);
+
+   consume_result(result);
+   set_call_count(
+      (sizeof(ibeta_data) 
+      + sizeof(ibeta_int_data) 
+      + sizeof(ibeta_large_data)
+      + sizeof(ibeta_small_data)) / sizeof(ibeta_data[0]));
+}
+
+#endif
+
+#ifdef TEST_DCDFLIB
+#include <dcdflib.h>
+
+template <std::size_t N>
+double ibeta_evaluate2_dcd(const boost::array<boost::array<T, 7>, N>& data)
+{
+   double result = 0;
+   for(unsigned i = 0; i < N; ++i)
+   {
+      double a = data[i][0];
+      double b = data[i][1];
+      double x = data[i][2];
+      double y = 1 - x;
+      double w, w1;
+      int ierr;
+      beta_inc (&a, &b, &x, &y, &w, &w1, &ierr);
+      result += w;
+   }
+   return result;
+}
+
+BOOST_MATH_PERFORMANCE_TEST(ibeta_test_dcd, "ibeta-dcd")
+{
+   double result = ibeta_evaluate2_dcd(ibeta_data);
+   result += ibeta_evaluate2_dcd(ibeta_int_data);
+   result += ibeta_evaluate2_dcd(ibeta_large_data);
+   result += ibeta_evaluate2_dcd(ibeta_small_data);
+
+   consume_result(result);
+   set_call_count(
+      (sizeof(ibeta_data) 
+      + sizeof(ibeta_int_data) 
+      + sizeof(ibeta_large_data)
+      + sizeof(ibeta_small_data)) / sizeof(ibeta_data[0]));
+}
+
+#endif