((double) timer->start.tv_nsec)) / 1e9);
#elif defined(HAVE_GETTIMEOFDAY)
return ((double) timer->stop.tv_sec) - ((double) timer->start.tv_sec) +
((double) timer->start.tv_nsec)) / 1e9);
#elif defined(HAVE_GETTIMEOFDAY)
return ((double) timer->stop.tv_sec) - ((double) timer->start.tv_sec) +