On Fri, Sep 20, 2013 at 09:47:24PM +0530, damodar kulkarni wrote:
Ok, let's say it is the effect of truncation. But then how do you explain this?
Prelude> sqrt 10.0 == 3.1622776601683795 True Prelude> sqrt 10.0 == 3.1622776601683796 True
Here, the last digit **within the same precision range** in the fractional part is different in the two cases (5 in the first case and 6 in the second case) and still I am getting **True** in both cases.
What do you mean the "same precision range"? Notice: Prelude> 3.1622776601683795 == 3.1622776601683796 True Prelude> 3.1622776601683795 == 3.1622776601683797 True Prelude> 3.1622776601683795 == 3.1622776601683798 False The truncation happens base 2, not base 10. Is that what's confusing you? Tom