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

float x,sum ;

void doubleTest1(){
  double sum=0 ;
  double x=1.0 ;
  double val=1.0 ;
  int time1=time_us_32() ;
  for(int kk=0 ; kk<100 ; kk++){
    x=x+1.234 ;
    sum=sum+1.0/(x*x)+x+val ;
    val=val+0.01234+2.34/(sum*sum) ;
    }
  int time2=time_us_32() ;
  printf("time2-time1=%6d  ",time2-time1) ;
  printf("x=%10.5f sum=%10.5f val=%10.5f\n",x,sum,val) ;

  }

void doubleTest2(){
  while(1){
    doubleTest1() ;
    sleep_ms(1000) ;
    }
  }

int main(){
  stdio_init_all();
  doubleTest2() ;
  }