006_valorPI.c File Reference

#include <stdio.h>

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Functions
int	main (int argc, char *argv[])

Function Documentation

main()

int main	(	int	argc,
		char *	argv[] )

Definition at line 3 of file 006_valorPI.c.

{
    float pi;
    int i, n, den, sg;
    do{
        printf("Ingrese el numero de terminos: ");
        scanf("%d", &n);
    }while(n<0);
    for(i=0, pi=1; i<n; i++)
    {
        den = 2*i+3;
        sg = 2*(i%2)-1;
        pi+=(sg/(float)den);
    }
    pi*=4;
    printf("PI = %f\n", pi);
    return 0;
}