int main() {
  int i = 0;
  printf("Col1\t Col2\t Col3\t");
  for (i = 0; i < 5; i++)
    printf("%f\t %f\t %f\t", randomDouble(), randomDouble(), randomDouble());
}

/** randomDouble generates a random double number each time it is called **/

OUTPUT:

Col1    Col2    Col3  
123.320010       1500.030000     45.000130       
321.003002       2000.100000     60.001022