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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/igamma_big_data.ipp"
#include "../test/igamma_int_data.ipp"
#include "../test/igamma_med_data.ipp"
#include "../test/igamma_small_data.ipp"
template <std::size_t N>
double igamma_evaluate2(const boost::array<boost::array<T, 6>, N>& data)
{
double result = 0;
for(unsigned i = 0; i < N; ++i)
{
result += boost::math::gamma_p(data[i][0], data[i][1]);
result += boost::math::gamma_q(data[i][0], data[i][1]);
}
return result;
}
BOOST_MATH_PERFORMANCE_TEST(igamma_test, "igamma")
{
double result = igamma_evaluate2(igamma_big_data);
result += igamma_evaluate2(igamma_int_data);
result += igamma_evaluate2(igamma_med_data);
result += igamma_evaluate2(igamma_small_data);
consume_result(result);
set_call_count(
2 * (sizeof(igamma_big_data)
+ sizeof(igamma_int_data)
+ sizeof(igamma_med_data)
+ sizeof(igamma_small_data)) / sizeof(igamma_big_data[0]));
}
template <std::size_t N>
double igamma_inv_evaluate2(const boost::array<boost::array<T, 6>, N>& data)
{
double result = 0;
for(unsigned i = 0; i < N; ++i)
{
result += boost::math::gamma_p_inv(data[i][0], data[i][5]);
result += boost::math::gamma_q_inv(data[i][0], data[i][3]);
}
return result;
}
BOOST_MATH_PERFORMANCE_TEST(igamma_inv_test, "igamma_inv")
{
double result = igamma_inv_evaluate2(igamma_big_data);
result += igamma_inv_evaluate2(igamma_int_data);
result += igamma_inv_evaluate2(igamma_med_data);
result += igamma_inv_evaluate2(igamma_small_data);
consume_result(result);
set_call_count(
2 * (sizeof(igamma_big_data)
+ sizeof(igamma_int_data)
+ sizeof(igamma_med_data)
+ sizeof(igamma_small_data)) / sizeof(igamma_big_data[0]));
}
template <std::size_t N>
double igamma_inva_evaluate2(const boost::array<boost::array<T, 6>, N>& data)
{
double result = 0;
for(unsigned i = 0; i < N; ++i)
{
result += boost::math::gamma_p_inva(data[i][1], data[i][5]);
result += boost::math::gamma_q_inva(data[i][1], data[i][3]);
}
return result;
}
BOOST_MATH_PERFORMANCE_TEST(igamma_inva_test, "igamma_inva")
{
double result = igamma_inva_evaluate2(igamma_big_data);
result += igamma_inva_evaluate2(igamma_int_data);
result += igamma_inva_evaluate2(igamma_med_data);
result += igamma_inva_evaluate2(igamma_small_data);
consume_result(result);
set_call_count(
2 * (sizeof(igamma_big_data)
+ sizeof(igamma_int_data)
+ sizeof(igamma_med_data)
+ sizeof(igamma_small_data)) / sizeof(igamma_big_data[0]));
}
#ifdef TEST_CEPHES
extern "C" {
double igam(double, double);
double igami(double, double);
}
template <std::size_t N>
double igamma_evaluate_cephes(const boost::array<boost::array<T, 6>, N>& data)
{
double result = 0;
for(unsigned i = 0; i < N; ++i)
result += igam(data[i][0], data[i][1]);
return result;
}
BOOST_MATH_PERFORMANCE_TEST(igamma_test, "igamma-cephes")
{
double result = igamma_evaluate_cephes(igamma_big_data);
result += igamma_evaluate_cephes(igamma_int_data);
result += igamma_evaluate_cephes(igamma_med_data);
result += igamma_evaluate_cephes(igamma_small_data);
consume_result(result);
set_call_count(
(sizeof(igamma_big_data)
+ sizeof(igamma_int_data)
+ sizeof(igamma_med_data)
+ sizeof(igamma_small_data)) / sizeof(igamma_big_data[0]));
}
template <std::size_t N>
double igamma_inv_evaluate_cephes(const boost::array<boost::array<T, 6>, N>& data)
{
double result = 0;
for(unsigned i = 0; i < N; ++i)
result += igami(data[i][0], data[i][3]); // note needs complement of probability!!
return result;
}
//
// This test does not run to completion, gets stuck
// in infinite loop inside cephes....
//
#if 0
BOOST_MATH_PERFORMANCE_TEST(igamma_inv_test, "igamma_inv-cephes")
{
double result = igamma_inv_evaluate_cephes(igamma_big_data);
result += igamma_inv_evaluate_cephes(igamma_int_data);
result += igamma_inv_evaluate_cephes(igamma_med_data);
result += igamma_inv_evaluate_cephes(igamma_small_data);
consume_result(result);
set_call_count(
(sizeof(igamma_big_data)
+ sizeof(igamma_int_data)
+ sizeof(igamma_med_data)
+ sizeof(igamma_small_data)) / sizeof(igamma_big_data[0]));
}
#endif
#endif
#ifdef TEST_GSL
#include <gsl/gsl_sf_gamma.h>
template <std::size_t N>
double igamma_evaluate_gsl(const boost::array<boost::array<T, 6>, N>& data)
{
double result = 0;
for(unsigned i = 0; i < N; ++i)
result += gsl_sf_gamma_inc_P(data[i][0], data[i][1]);
return result;
}
BOOST_MATH_PERFORMANCE_TEST(igamma_test, "igamma-gsl")
{
double result = igamma_evaluate_gsl(igamma_big_data);
result += igamma_evaluate_gsl(igamma_int_data);
result += igamma_evaluate_gsl(igamma_med_data);
result += igamma_evaluate_gsl(igamma_small_data);
consume_result(result);
set_call_count(
(sizeof(igamma_big_data)
+ sizeof(igamma_int_data)
+ sizeof(igamma_med_data)
+ sizeof(igamma_small_data)) / sizeof(igamma_big_data[0]));
}
#endif
#ifdef TEST_DCDFLIB
#include <dcdflib.h>
namespace dcd{
inline double gamma_q(double x, double y)
{
double ans, qans;
int i = 0;
gamma_inc (&x, &y, &ans, &qans, &i);
return qans;
}
inline double gamma_p(double x, double y)
{
double ans, qans;
int i = 0;
gamma_inc (&x, &y, &ans, &qans, &i);
return ans;
}
inline double gamma_q_inv(double x, double y)
{
double ans, p, nul;
int i = 0;
p = 1 - y;
nul = 0;
gamma_inc_inv (&x, &ans, &nul, &p, &y, &i);
return ans;
}
inline double gamma_p_inv(double x, double y)
{
double ans, p, nul;
int i = 0;
p = 1 - y;
nul = 0;
gamma_inc_inv (&x, &ans, &nul, &y, &p, &i);
return ans;
}
}
template <std::size_t N>
double igamma_evaluate2_dcd(const boost::array<boost::array<T, 6>, N>& data)
{
double result = 0;
for(unsigned i = 0; i < N; ++i)
{
result += dcd::gamma_p(data[i][0], data[i][1]);
result += dcd::gamma_q(data[i][0], data[i][1]);
}
return result;
}
BOOST_MATH_PERFORMANCE_TEST(igamma_test, "igamma-dcd")
{
double result = igamma_evaluate2_dcd(igamma_big_data);
result += igamma_evaluate2_dcd(igamma_int_data);
result += igamma_evaluate2_dcd(igamma_med_data);
result += igamma_evaluate2_dcd(igamma_small_data);
consume_result(result);
set_call_count(
2 * (sizeof(igamma_big_data)
+ sizeof(igamma_int_data)
+ sizeof(igamma_med_data)
+ sizeof(igamma_small_data)) / sizeof(igamma_big_data[0]));
}
template <std::size_t N>
double igamma_inv_evaluate2_dcd(const boost::array<boost::array<T, 6>, N>& data)
{
double result = 0;
for(unsigned i = 0; i < N; ++i)
{
result += dcd::gamma_p_inv(data[i][0], data[i][5]);
result += dcd::gamma_q_inv(data[i][0], data[i][3]);
}
return result;
}
BOOST_MATH_PERFORMANCE_TEST(igamma_inv_test, "igamma_inv-dcd")
{
double result = igamma_inv_evaluate2_dcd(igamma_big_data);
result += igamma_inv_evaluate2_dcd(igamma_int_data);
result += igamma_inv_evaluate2_dcd(igamma_med_data);
result += igamma_inv_evaluate2_dcd(igamma_small_data);
consume_result(result);
set_call_count(
2 * (sizeof(igamma_big_data)
+ sizeof(igamma_int_data)
+ sizeof(igamma_med_data)
+ sizeof(igamma_small_data)) / sizeof(igamma_big_data[0]));
}
#endif
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