#include <stdio.h>
#include <stdlib.h>

#include "rtimer.h"

//problem size
long long n=((long long)1)<<33; 


void my_experiment() {

 //some dummy loop 
  long long i, s=0;
  for (i=0; i<n; i++) s += i;
}


int main() {

  Rtimer totaltime1; 
  char buf[100];

  /* ********** example 1   ************/
  printf("\nexample 1\n");
  
  rt_start(totaltime1); //start the timer

  my_experiment();
  rt_stop(totaltime1); //stop the timer

  //print total time 
  rt_sprint(buf, totaltime1);
  printf("total time: %s\n", buf);
  /* ************************************** */

  

  /* ************ example 2 *************** */
  printf("\nexample2\n");

  Rtimer totaltime2; 
  rt_start(totaltime2);
  //run 5 experiments;
  int k; 
  for (k=0; k<5; k++) {
    printf("running trial %2d\n", k);
    my_experiment();
  }
  rt_stop(totaltime2);

  //print total time 
  rt_sprint(buf, totaltime2);
  printf("total time: %s\n", buf);
  //print average time
  rt_sprint_average(buf, totaltime2, 5);
  printf("average time: %s\n", buf);
  /* ************************************** */




  /* ************ example 3 *************** */
  printf("\nexample3\n");
  
  Rtimer totaltime3; 
  rt_start(totaltime3);
  my_experiment();
  rt_stop_and_accumulate(totaltime3);  

  //here you can do some stuff that you dont want to time

  rt_start(totaltime3);
  my_experiment();
  rt_stop_and_accumulate(totaltime3);
  
  
  //total time 
  rt_sprint(buf, totaltime3);
  printf("total time: %s\n", buf);
  //print average time
  rt_sprint_average(buf, totaltime3, 2);
  printf("average time: %s\n", buf);
  /* ************************************** */

  return 0;
}