100 lines
3.1 KiB
C++
100 lines
3.1 KiB
C++
/*
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Copyright (c) 2013, Project OSRM, Dennis Luxen, others
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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Redistributions of source code must retain the above copyright notice, this list
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of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or
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other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef PERCENT_H
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#define PERCENT_H
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#include "../Util/OpenMPWrapper.h"
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#include <iostream>
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class Percent {
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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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#pragma omp atomic
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++_current_value;
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printStatus(_current_value);
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}
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void printAddition(const unsigned addition) {
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#pragma omp atomic
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_current_value += addition;
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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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