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/* ASCEND modelling environment |
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Copyright (C) 1997 Carnegie Mellon University |
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Copyright (C) 2015 John Pye |
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|
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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, or (at your option) |
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any later version. |
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|
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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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|
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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, see <http://www.gnu.org/licenses/>. |
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*//* |
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Time module by Karl Westerberg, created: 6/1990 |
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Last in CVS: $Date: 2000/01/25 02:21:26 $ $Author: ballan $ |
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*/ |
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|
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#include <sys/time.h> |
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#include "platform.h" |
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#include "panic.h" |
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#include "tm_time.h" |
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|
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#ifdef __WIN32__ |
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# include "Windows.h" |
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#endif |
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|
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static boolean f_first = TRUE; |
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|
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double tm_cpu_time(void){ |
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#ifndef __WIN32__ |
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static struct timespec ref; |
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struct timespec now; |
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|
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if( f_first ) { |
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clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ref); |
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f_first = FALSE; |
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} |
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clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &now); |
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return (now.tv_sec - ref.tv_sec) + 1e-9*(now.tv_nsec - ref.tv_nsec); |
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#else /* WIN32 */ |
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LARGE_INTEGER n1, f; |
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LARGE_INTEGER n2; |
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if(f_first){ |
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QueryPerformanceFrequency(&f); |
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QueryPerformanceCounter(&n1); |
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return 0; |
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} |
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QueryPerformanceCounter(&n2); |
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return((n2.QuadPart - n1.QuadPart)/f.QuadPart); |
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#endif |
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} |
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|
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double tm_reset_cpu_time(void) |
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{ |
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f_first = TRUE; |
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return tm_cpu_time(); |
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} |
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|
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void tm_cpu_time_ftn_(double *t) |
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{ |
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asc_assert(NULL != t); |
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*t = tm_cpu_time(); |
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} |
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|
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void aftime_(double *t) |
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{ |
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asc_assert(NULL != t); |
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*t = tm_cpu_time(); |
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} |
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|
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void tm_cpu_time_ftn(double *t) |
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{ |
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asc_assert(NULL != t); |
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*t = tm_cpu_time(); |
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} |
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|
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void aftime(double *t) |
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{ |
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asc_assert(NULL != t); |
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*t = tm_cpu_time(); |
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} |
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|
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void TM_CPU_TIME_FTN(double *t) |
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{ |
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asc_assert(NULL != t); |
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*t = tm_cpu_time(); |
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} |
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|
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void AFTIME(double *t) |
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{ |
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asc_assert(NULL != t); |
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*t = tm_cpu_time(); |
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} |
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