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+// -*- C++ -*-
+
+// Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the terms
+// of the GNU General Public License as published by the Free Software
+// Foundation; either version 2, or (at your option) any later
+// version.
+
+// This library is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this library; see the file COPYING. If not, write to
+// the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
+// MA 02111-1307, USA.
+
+// As a special exception, you may use this file as part of a free
+// software library without restriction. Specifically, if other files
+// instantiate templates or use macros or inline functions from this
+// file, or you compile this file and link it with other files to
+// produce an executable, this file does not by itself cause the
+// resulting executable to be covered by the GNU General Public
+// License. This exception does not however invalidate any other
+// reasons why the executable file might be covered by the GNU General
+// Public License.
+
+// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
+
+// Permission to use, copy, modify, sell, and distribute this software
+// is hereby granted without fee, provided that the above copyright
+// notice appears in all copies, and that both that copyright notice
+// and this permission notice appear in supporting documentation. None
+// of the above authors, nor IBM Haifa Research Laboratories, make any
+// representation about the suitability of this software for any
+// purpose. It is provided "as is" without express or implied
+// warranty.
+
+/**
+ * @file modify_test.hpp
+ * Contains a modify performance test.
+ */
+
+#ifndef PB_DS_JOIN_TEST_HPP
+#define PB_DS_JOIN_TEST_HPP
+
+#include <performance/time/timing_test_base.hpp>
+#include <ext/pb_ds/detail/type_utils.hpp>
+#include <performance/io/xml_formatter.hpp>
+#include <common_type/priority_queue/string_form.hpp>
+#include <iterator>
+
+namespace pb_ds
+{
+
+ namespace test
+ {
+
+ namespace detail
+ {
+
+ template<typename It, class Cntnr, class Tag>
+ class push_functor
+ {
+ public:
+ push_functor(It ins_it_b, It ins_it_e) : m_ins_it_b(ins_it_b),
+ m_ins_it_e(ins_it_e)
+ { }
+
+ void
+ operator()(std::size_t resolution)
+ {
+ for (std::size_t i = 0; i < resolution; ++i)
+ {
+ Cntnr c;
+
+ typedef std::vector< typename Cntnr::point_iterator> it_vec_t;
+
+ it_vec_t m_a_its;
+
+ for (It ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
+ m_a_its.push_back(c.push((typename Cntnr::const_reference)(ins_it->first)));
+ }
+ }
+
+ private:
+ const It m_ins_it_b;
+ const It m_ins_it_e;
+ };
+
+ template<typename It, class Cntnr, class Tag>
+ class push_modify_functor
+ {
+ public:
+ push_modify_functor(It ins_it_b, It ins_it_e, typename Cntnr::value_type mod_val) : m_ins_it_b(ins_it_b),
+ m_ins_it_e(ins_it_e),
+ m_mod_val(mod_val)
+ { }
+
+ void
+ operator()(std::size_t resolution)
+ {
+ for (std::size_t i = 0; i < resolution; ++i)
+ {
+ Cntnr c;
+
+ typedef std::vector< typename Cntnr::point_iterator> it_vec_t;
+
+ it_vec_t m_a_its;
+
+ for (It ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
+ m_a_its.push_back(c.push((typename Cntnr::const_reference)(ins_it->first)));
+
+ typename it_vec_t::iterator mod_it = m_a_its.begin();
+
+ while (mod_it != m_a_its.end())
+ c.modify(*mod_it++, m_mod_val);
+ }
+ }
+
+ private:
+ const It m_ins_it_b;
+ const It m_ins_it_e;
+
+ const typename Cntnr::value_type m_mod_val;
+ };
+
+ template<typename It, class Cntnr>
+ class push_functor<
+ It,
+ Cntnr,
+ pb_ds::binary_heap_tag>
+ {
+ public:
+ push_functor(It ins_it_b, It ins_it_e) : m_ins_it_b(ins_it_b),
+ m_ins_it_e(ins_it_e)
+ { }
+
+ void
+ operator()(std::size_t resolution)
+ {
+ for (std::size_t i = 0; i < resolution; ++i)
+ {
+ Cntnr c;
+
+ for (It ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
+ c.push((typename Cntnr::const_reference)(ins_it->first));
+ }
+ }
+
+ private:
+ const It m_ins_it_b;
+ const It m_ins_it_e;
+ };
+
+ template<typename It, class Cntnr>
+ class push_modify_functor<
+ It,
+ Cntnr,
+ pb_ds::binary_heap_tag>
+ {
+ public:
+ push_modify_functor(It ins_it_b, It ins_it_e, typename Cntnr::value_type mod_val) : m_ins_it_b(ins_it_b),
+ m_ins_it_e(ins_it_e),
+ m_mod_val(mod_val)
+ { }
+
+ void
+ operator()(std::size_t resolution)
+ {
+ for (std::size_t i = 0; i < resolution; ++i)
+ {
+ Cntnr c;
+
+ It ins_it;
+
+ for (ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
+ c.push((typename Cntnr::const_reference)(ins_it->first));
+
+ for (ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
+ {
+ bool modified = false;
+
+ for (typename Cntnr::iterator it = c.begin(); !modified&& it != c.end(); ++it)
+ if (*it == ins_it->first)
+ {
+ c.modify(it, m_mod_val);
+
+ modified = true;
+ }
+ }
+ }
+ }
+
+ private:
+ const It m_ins_it_b;
+ const It m_ins_it_e;
+
+ const typename Cntnr::value_type m_mod_val;
+ };
+
+ template<typename It, class Cntnr>
+ class push_functor<
+ It,
+ Cntnr,
+ pb_ds::test::native_pq_tag>
+ {
+ public:
+ push_functor(It ins_it_b, It ins_it_e) : m_ins_it_b(ins_it_b),
+ m_ins_it_e(ins_it_e)
+ { }
+
+ void
+ operator()(std::size_t resolution)
+ {
+ for (std::size_t i = 0; i < resolution; ++i)
+ {
+ Cntnr c;
+
+ for (It ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
+ c.push((typename Cntnr::const_reference)(ins_it->first));
+ }
+ }
+
+ private:
+ const It m_ins_it_b;
+ const It m_ins_it_e;
+ };
+
+ template<typename It, class Cntnr>
+ class push_modify_functor<
+ It,
+ Cntnr,
+ pb_ds::test::native_pq_tag>
+ {
+ public:
+ push_modify_functor(It ins_it_b, It ins_it_e, typename Cntnr::value_type mod_val) : m_ins_it_b(ins_it_b),
+ m_ins_it_e(ins_it_e),
+ m_mod_val(mod_val)
+ { }
+
+ void
+ operator()(std::size_t resolution)
+ {
+ for (std::size_t i = 0; i < resolution; ++i)
+ {
+ Cntnr c;
+
+ It ins_it;
+
+ for (ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
+ c.push((typename Cntnr::const_reference)(ins_it->first));
+
+ for (ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
+ c.modify(ins_it->first, m_mod_val);
+ }
+ }
+
+ private:
+ const It m_ins_it_b;
+ const It m_ins_it_e;
+
+ const typename Cntnr::value_type m_mod_val;
+ };
+
+ } // namespace detail
+
+#define PB_DS_CLASS_T_DEC \
+ template<typename It>
+
+#define PB_DS_CLASS_C_DEC \
+ modify_test< \
+ It>
+
+ template<typename It>
+ class modify_test : private pb_ds::test::detail::timing_test_base
+ {
+ public:
+ modify_test(It ins_b, size_t ins_vn, size_t ins_vs, size_t ins_vm, bool m_modify_up);
+
+ template<typename Cntnr>
+ void
+ operator()(pb_ds::detail::type_to_type<Cntnr>);
+
+ private:
+ modify_test(const modify_test& );
+
+ template<typename Cntnr>
+ void
+ modify(pb_ds::detail::type_to_type<Cntnr>, It ins_it_b, It ins_it_e);
+
+ private:
+ const It m_ins_b;
+
+ const size_t m_ins_vn;
+ const size_t m_ins_vs;
+ const size_t m_ins_vm;
+
+ const bool m_modify_up;
+ };
+
+ PB_DS_CLASS_T_DEC
+ PB_DS_CLASS_C_DEC::
+ modify_test(It ins_b, size_t ins_vn, size_t ins_vs, size_t ins_vm, bool modify_up) :
+ m_ins_b(ins_b),
+ m_ins_vn(ins_vn),
+ m_ins_vs(ins_vs),
+ m_ins_vm(ins_vm),
+ m_modify_up(modify_up)
+ { }
+
+ PB_DS_CLASS_T_DEC
+ template<typename Cntnr>
+ void
+ PB_DS_CLASS_C_DEC::
+ operator()(pb_ds::detail::type_to_type<Cntnr>)
+ {
+ xml_result_set_performance_formatter res_set_fmt(
+ string_form<Cntnr>::name(),
+ string_form<Cntnr>::desc());
+
+ for (size_t size_i = 0; m_ins_vn + size_i* m_ins_vs < m_ins_vm; ++size_i)
+ {
+ const size_t v = m_ins_vn + size_i* m_ins_vs;
+
+ It ins_it_b = m_ins_b;
+ It ins_it_e = m_ins_b;
+ std::advance(ins_it_e, v);
+
+ pb_ds::test::detail::push_functor<It, Cntnr, typename Cntnr::container_category>
+ push_fn(ins_it_b, ins_it_e);
+
+ const double push_res =
+ pb_ds::test::detail::timing_test_base::operator()(push_fn);
+
+ typename Cntnr::value_type mod_val = ins_it_b->first;
+
+ {
+ Cntnr mod_val_container;
+ for (It mod_val_it = ins_it_b; mod_val_it != ins_it_e; ++mod_val_it)
+ {
+ typename Cntnr::value_type pot = mod_val_it->first;
+
+ if (m_modify_up == mod_val_container.get_cmp_fn()(mod_val, pot))
+ mod_val = pot;
+ }
+ }
+
+ pb_ds::test::detail::push_modify_functor<It, Cntnr, typename Cntnr::container_category>
+ push_modify_fn(ins_it_b, ins_it_e, mod_val);
+
+ const double push_modify_res =
+ pb_ds::test::detail::timing_test_base::operator()(push_modify_fn);
+
+ const double effective_delta = std::max(
+ push_modify_res - push_res,
+ pb_ds::test::detail::timing_test_base::min_time_res());
+
+ res_set_fmt.add_res(v, effective_delta / v);
+ }
+ }
+
+ PB_DS_CLASS_T_DEC
+ template<typename Cntnr>
+ void
+ PB_DS_CLASS_C_DEC::
+ modify(pb_ds::detail::type_to_type<Cntnr>, It ins_it_b, It ins_it_e)
+ {
+ Cntnr cntnr;
+
+ for (It ins_it = ins_it_b; ins_it != ins_it_e; ++ins_it)
+ cntnr.modify((typename Cntnr::const_reference)(*ins_it));
+ }
+
+#undef PB_DS_CLASS_T_DEC
+
+#undef PB_DS_CLASS_C_DEC
+
+ } // namespace test
+
+} // namespace pb_ds
+
+#endif // #ifndef PB_DS_JOIN_TEST_HPP
+
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