Check whether a float number contains decimals or not

Question

How can I check whether a float number contains decimals like 2.10, 2.45, 12382.66 and not 2.00 , 12382.00. I want to know if the number is \"round\" or not. How can I do th

Answer 1

You could do this:

  float num = 23.345f;
  int intpart = (int)num;
  float decpart = num - intpart;
  if(decpart == 0.0f)
  {
    //Contains no decimals
  }
  else
  {
     //Number contains decimals
  }