statistics.hpp

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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
 *  Main authors:
 *     Christian Schulte <schulte@gecode.org>
 *
 *  Copyright:
 *     Christian Schulte, 2004
 *
 *  This file is part of Gecode, the generic constraint
 *  development environment:
 *     http://www.gecode.org
 *
 *  Permission is hereby granted, free of charge, to any person obtaining
 *  a copy of this software and associated documentation files (the
 *  "Software"), to deal in the Software without restriction, including
 *  without limitation the rights to use, copy, modify, merge, publish,
 *  distribute, sublicense, and/or sell copies of the Software, and to
 *  permit persons to whom the Software is furnished to do so, subject to
 *  the following conditions:
 *
 *  The above copyright notice and this permission notice shall be
 *  included in all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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 */

#include <algorithm>

namespace Gecode { namespace Search {

  forceinline void
  Statistics::reset(void) {
    StatusStatistics::reset();
    fail=0; node=0; depth=0; restart=0; nogood=0;
  }

  forceinline
  Statistics::Statistics(void)
    : fail(0), node(0), depth(0),
      restart(0), nogood(0) {}

  forceinline Statistics&
  Statistics::operator +=(const Statistics& s) {
    (void) StatusStatistics::operator +=(s);
    fail += s.fail;
    node += s.node;
    depth = std::max(depth,s.depth);
    restart += s.restart;
    nogood += s.nogood;
    return *this;
  }

  forceinline Statistics
  Statistics::operator +(const Statistics& s) {
    Statistics t(s);
    return t += *this;
  }

}}

// STATISTICS: search-other