Jip J. Dekker
fad1b07018
git-subtree-dir: software/minizinc git-subtree-split: 4f10c82056ffcb1041d7ffef29d77a7eef92cf76
49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
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/*
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* Main authors:
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* Guido Tack <guido.tack@monash.edu>
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*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#pragma once
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#include <iterator>
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namespace MiniZinc {
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class Statistics {
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protected:
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// time in milliseconds
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unsigned long long _time;
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// search nodes
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unsigned long long _nodes;
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// failures/ backtracks
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unsigned long long _failures;
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// current objective value
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double _objective;
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public:
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Statistics() : _time(0), _nodes(0), _failures(0) {}
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virtual void print(std::ostream& os);
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void time(unsigned long long t);
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void nodes(unsigned long long n);
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void failures(unsigned long long f);
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void objective(double o);
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unsigned long long time() const;
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unsigned long long nodes() const;
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unsigned long long failures() const;
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double objective() const;
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Statistics& operator+=(Statistics& s);
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virtual void cleanup() { _time = _nodes = _failures = 0; }
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};
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} // namespace MiniZinc
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