72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
/* -------------------------------------------------------------
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This file is a component of SDPA
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Copyright (C) 2004-2013 SDPA Project
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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------------------------------------------------------------- */
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/*-----------------------------------------
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sdpa_tool.cpp
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-----------------------------------------*/
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#include "sdpa_tool.h"
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#include <sys/time.h>
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#include <time.h>
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#include <unistd.h>
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#ifndef CLK_TCK
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#define CLK_TCK sysconf(_SC_CLK_TCK)
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#endif
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namespace sdpa {
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// These are constant.
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// Do Not Change .
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int IZERO = 0;
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int IONE = 1;
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int IMONE = -1;
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double DZERO = 0.0;
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double DONE = 1.0;
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double DMONE = -1.0;
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double Time::rGetUseTime()
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{
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#if PROCESS_TIME
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struct tms TIME;
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times(&TIME);
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return (double)TIME.tms_utime/(double)CLK_TCK;
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#else
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return 0.0;
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#endif
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}
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void Time::rSetTimeVal(struct timeval& targetVal)
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{
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static struct timezone tz;
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gettimeofday(&targetVal,&tz);
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}
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double Time::rGetRealTime(const struct timeval& start,
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const struct timeval& end)
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{
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const long int second = end.tv_sec - start.tv_sec;
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const long int usecond = end.tv_usec - start.tv_usec;
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return ((double)second) + ((double)usecond)*(1.0e-6);
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}
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} // end of namespace 'sdpa'
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