72 lines
1.7 KiB
C++
72 lines
1.7 KiB
C++
/*
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Copyright (C) 2014 Tim Mayberry
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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 General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) 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 General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "pbd/timing.h"
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#include <sstream>
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#include <limits>
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#ifdef COMPILER_MSVC
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#undef min
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#undef max
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#endif
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namespace PBD {
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bool
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get_min_max_avg_total (const std::vector<uint64_t>& values, uint64_t& min, uint64_t& max, uint64_t& avg, uint64_t& total)
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{
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if (values.empty()) {
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return false;
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}
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total = 0;
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min = std::numeric_limits<uint64_t>::max();
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max = 0; avg = 0;
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for (std::vector<uint64_t>::const_iterator ci = values.begin(); ci != values.end(); ++ci) {
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total += *ci;
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min = std::min (min, *ci);
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max = std::max (max, *ci);
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}
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avg = total / values.size();
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return true;
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}
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std::string
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timing_summary (const std::vector<uint64_t>& values)
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{
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std::ostringstream oss;
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uint64_t min, max, avg, total;
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if (get_min_max_avg_total (values, min, max, avg, total)) {
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oss << "Count: " << values.size()
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<< " Min: " << min
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<< " Max: " << max
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<< " Avg: " << avg
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<< " Total: " << total
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<< std::endl;
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}
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return oss.str();
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}
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} // namespace PBD
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