Function cpuSecond

code/Chapter10/freshman.h:41–47

}
#endif
double cpuSecond()
{
  struct timeval tp;
  gettimeofday(&tp,NULL);
  return((double)tp.tv_sec+(double)tp.tv_usec*1e-6);

}
void initialData(float* ip,int size)
{
  time_t t;