91 lines
2.5 KiB
C
91 lines
2.5 KiB
C
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/*
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open source routing machine
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Copyright (C) Dennis Luxen, others 2010
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU AFFERO General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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or see http://www.gnu.org/licenses/agpl.txt.
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*/
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#ifndef PERCENT_H
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#define PERCENT_H
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#include <iostream>
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#ifdef _OPENMP
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#include <omp.h>
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#endif
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class Percent
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{
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public:
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/**
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* Constructor.
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* @param maxValue the value that corresponds to 100%
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* @param step the progress is shown in steps of 'step' percent
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*/
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Percent(unsigned maxValue, unsigned step = 5) {
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reinit(maxValue, step);
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}
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/** Reinitializes this object. */
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void reinit(unsigned maxValue, unsigned step = 5) {
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_maxValue = maxValue;
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_current_value = 0;
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_intervalPercent = _maxValue / 100;
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_nextThreshold = _intervalPercent;
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_lastPercent = 0;
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_step = step;
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}
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/** If there has been significant progress, display it. */
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void printStatus(unsigned currentValue) {
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if (currentValue >= _nextThreshold) {
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_nextThreshold += _intervalPercent;
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printPercent( currentValue / (double)_maxValue * 100 );
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}
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if (currentValue + 1 == _maxValue)
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std::cout << " 100%" << std::endl;
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}
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void printIncrement()
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{
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#pragma omp atomic
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_current_value++;
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printStatus(_current_value);
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}
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private:
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unsigned _current_value;
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unsigned _maxValue;
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unsigned _intervalPercent;
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unsigned _nextThreshold;
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unsigned _lastPercent;
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unsigned _step;
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/** Displays the new progress. */
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void printPercent(double percent) {
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while (percent >= _lastPercent+_step) {
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_lastPercent+=_step;
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if (_lastPercent % 10 == 0) {
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std::cout << " " << _lastPercent << "% ";
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}
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else {
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std::cout << ".";
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}
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std::cout.flush();
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}
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}
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};
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#endif // PERCENT_H
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