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/* -*- mode: C++; indent-tabs-mode: nil; -*-
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*
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* This file is a part of LEMON, a generic C++ optimization library.
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*
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* Copyright (C) 2003-2009
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* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
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* (Egervary Research Group on Combinatorial Optimization, EGRES).
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*
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* Permission to use, modify and distribute this software is granted
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* provided that this copyright notice appears in all copies. For
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* precise terms see the accompanying LICENSE file.
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*
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* This software is provided "AS IS" with no warranty of any kind,
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* express or implied, and with no claim as to its suitability for any
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* purpose.
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*
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*/
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///\file
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///\brief Some basic non-inline functions and static global data.
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#include<lemon/bits/windows.h>
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#ifdef WIN32
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#ifndef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN
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#endif
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#ifndef NOMINMAX
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#define NOMINMAX
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#endif
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#ifdef UNICODE
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#undef UNICODE
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#endif
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#include <windows.h>
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#ifdef LOCALE_INVARIANT
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#define MY_LOCALE LOCALE_INVARIANT
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#else
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#define MY_LOCALE LOCALE_NEUTRAL
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#endif
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#else
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#include <unistd.h>
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#include <ctime>
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#include <sys/times.h>
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#include <sys/time.h>
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#endif
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#include <cmath>
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#include <sstream>
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namespace lemon {
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namespace bits {
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void getWinProcTimes(double &rtime,
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double &utime, double &stime,
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double &cutime, double &cstime)
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{
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#ifdef WIN32
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static const double ch = 4294967296.0e-7;
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static const double cl = 1.0e-7;
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FILETIME system;
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GetSystemTimeAsFileTime(&system);
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rtime = ch * system.dwHighDateTime + cl * system.dwLowDateTime;
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FILETIME create, exit, kernel, user;
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if (GetProcessTimes(GetCurrentProcess(),&create, &exit, &kernel, &user)) {
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utime = ch * user.dwHighDateTime + cl * user.dwLowDateTime;
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stime = ch * kernel.dwHighDateTime + cl * kernel.dwLowDateTime;
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cutime = 0;
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cstime = 0;
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} else {
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rtime = 0;
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utime = 0;
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stime = 0;
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cutime = 0;
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cstime = 0;
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}
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#else
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timeval tv;
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gettimeofday(&tv, 0);
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rtime=tv.tv_sec+double(tv.tv_usec)/1e6;
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tms ts;
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double tck=sysconf(_SC_CLK_TCK);
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times(&ts);
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utime=ts.tms_utime/tck;
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stime=ts.tms_stime/tck;
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cutime=ts.tms_cutime/tck;
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cstime=ts.tms_cstime/tck;
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#endif
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}
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std::string getWinFormattedDate()
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{
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std::ostringstream os;
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#ifdef WIN32
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SYSTEMTIME time;
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GetSystemTime(&time);
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char buf1[11], buf2[9], buf3[5];
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if (GetDateFormat(MY_LOCALE, 0, &time,
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("ddd MMM dd"), buf1, 11) &&
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GetTimeFormat(MY_LOCALE, 0, &time,
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("HH':'mm':'ss"), buf2, 9) &&
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GetDateFormat(MY_LOCALE, 0, &time,
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("yyyy"), buf3, 5)) {
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os << buf1 << ' ' << buf2 << ' ' << buf3;
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}
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else os << "unknown";
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#else
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timeval tv;
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gettimeofday(&tv, 0);
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char cbuf[26];
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ctime_r(&tv.tv_sec,cbuf);
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os << cbuf;
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#endif
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return os.str();
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}
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int getWinRndSeed()
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{
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#ifdef WIN32
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FILETIME time;
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GetSystemTimeAsFileTime(&time);
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return GetCurrentProcessId() + time.dwHighDateTime + time.dwLowDateTime;
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#else
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timeval tv;
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gettimeofday(&tv, 0);
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return getpid() + tv.tv_sec + tv.tv_usec;
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#endif
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}
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}
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}
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