#include <stdio.h>
#include "pico/stdlib.h"

int x,sum ;

void intTest1(){
  int sum=0 ;
  int x=1 ;
  int val=1 ;
  int time1=time_us_32() ;
  for(int kk=0 ; kk<100 ; kk++){
    x=x+12 ;
    sum=sum+(x*x)/12345+x+val ;
    val=val+2+2345/x ;
    }
  int time2=time_us_32() ;
  printf("time2-time1=%6d  ",time2-time1) ;
  printf("x=%10d sum=%10d val=%10d\n",x,sum,val) ;
  }

void intTest2(){
  while(1){
    intTest1() ;
    sleep_ms(1000) ;
    }
  }


int main(){
  stdio_init_all();
  printf("Hello, world!\n");
  printf("Running on RISC-V !\n") ;
  intTest2() ;
  }