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

int main(void)
{
        FILE *fp;
        long i;
        float N,t;
        N=10;
        t=0;
        fp = fopen("test1.csv", "w");
        fprintf(fp," %g ,  %g  \n", N,t);
        for (i = 1; i < 10; i++)
        {
             N = N+1;
             t = t+1; 
                fprintf(fp," %g ,  %g  \n", N,t);
        } 
        fclose(fp);
      return 0;
}