#define WOKWI             // Uncomment if running on Wokwi RP2040 emulator.

#include <stdio.h>
#include <stdlib.h>
/*#include <pico/stdlib.h>
#include <pico/stdio.h>
#include <pico/float.h>*/

float pi_single (int n) {
  float pi=1.0;
  for (int i= 1; i <=n; i++){
    float numerator = 4.0 * i * i;
    float denominator = numerator - 1;
    pi = pi *( numerator/ denominator);
}
pi = pi *2.0;

return pi;
}


double pi_double (int n) {
  double pi=1.0;
  for (int i= 1; i <=n; i++){
    double numerator = 4.0 * i * i;
    double denominator = numerator - 1;
    pi = pi *( numerator/ denominator);
}
pi = pi *2.0;

return pi;
}


int main() {



 int n= 100000;
  double pi= 3.14159265359;
  float singlep= pi_single (n);
  float compareds= (pi-singlep) ;
  double  doublep= pi_double(n);
  double comparedd= (pi-doublep);

    // Print a console message to inform user what's going on.
    printf("Calculated value of PI using single- precsion = %f\n", singlep);
    printf(" Approximation error = %f\n", compareds);

     printf("Calculated value of PI using double- precsion = %lf\n", doublep);
 printf(" Approximation error = %lf\n", comparedd);

    // Returning zero indicates everything went okay.
    return 0;
}