/*
 * Copyright (c) 2016 University of Cordoba and University of Illinois
 * All rights reserved.
 *
 * Developed by:    IMPACT Research Group
 *                  University of Cordoba and University of Illinois
 *                  http://impact.crhc.illinois.edu/
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * with the Software without restriction, including without limitation the 
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 *      > Redistributions of source code must retain the above copyright notice,
 *        this list of conditions and the following disclaimers.
 *      > Redistributions in binary form must reproduce the above copyright
 *        notice, this list of conditions and the following disclaimers in the
 *        documentation and/or other materials provided with the distribution.
 *      > Neither the names of IMPACT Research Group, University of Cordoba, 
 *        University of Illinois nor the names of its contributors may be used 
 *        to endorse or promote products derived from this Software without 
 *        specific prior written permission.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
 * CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH
 * THE SOFTWARE.
 *
 */

#include <time.h>

typedef struct Timer {

    struct timespec startTime[7];
    struct timespec stopTime[7];
    uint64_t        nanoseconds[7];

} Timer;

void start(Timer *timer, int i, int rep) {
    if(rep == 0) {
        timer->nanoseconds[i] = 0;
    }
    clock_gettime(CLOCK_MONOTONIC, &timer->startTime[i]);
}

void stop(Timer *timer, int i) {
    clock_gettime(CLOCK_MONOTONIC, &timer->stopTime[i]);
    timer->nanoseconds[i] += (timer->stopTime[i].tv_sec - timer->startTime[i].tv_sec) * 1000000000 +
                             (timer->stopTime[i].tv_nsec - timer->startTime[i].tv_nsec);
}