On Wed, Sep 12, 2012 at 7:40 PM, keerthi priya <
[email protected]> wrote:

>  This is my console code
>
> irb(main):001:0> (2.08*100).round / 100.0
> => 2.08
>
> but i what i was expecting is like if i give input as 2.08 i need my
> output as 2.1 and i give i/p as 2.04 i need my output as 2.0


you just need to change 100 to 10

1.9.3p194 :004 > (2.08 * 10).round / 10.0
 => 2.1



>
>
>
> On Wed, Sep 12, 2012 at 3:02 PM, Jim Ruther Nill <[email protected]> wrote:
>
>>
>>
>> On Wed, Sep 12, 2012 at 4:25 PM, keerthi priya <
>> [email protected]> wrote:
>>
>>> Hi all
>>> i am trying to use round method if have a value 2.08 i want it as 2.1
>>> and it worked in 1.9.2 but not in 1.8.7 is there any other way of doing it.
>>>
>>>
>>> USING 1.9.2
>>>
>>> 1.9.2p320 :001 > 2.08.round(1)
>>>  => 2.1
>>> 1.9.2p320 :002 > 2.04.round(1)
>>>  => 2.0
>>>
>>> USING 1.8.7
>>>
>>> irb(main):001:0> 2.08.round
>>> => 2
>>> irb(main):002:0> 2.08.round(1)
>>> ArgumentError: wrong number of arguments (1 for 0)
>>>     from (irb):2:in `round'
>>>     from (irb):2
>>>     from :0
>>> i can able to use round but not with one decimal
>>>
>>> Can any tell how can i get round(1) in 1.8.7
>>>
>>
>> I think this thread explains vijaya's answer better
>> http://stackoverflow.com/questions/2054217/rounding-float-in-ruby
>>
>>
>>>
>>> Cheers,
>>>
>>> --
>>> You received this message because you are subscribed to the Google
>>> Groups "Ruby on Rails: Talk" group.
>>> To post to this group, send email to [email protected].
>>> To unsubscribe from this group, send email to
>>> [email protected].
>>> To view this discussion on the web visit
>>> https://groups.google.com/d/msg/rubyonrails-talk/-/Xj8YzOKl2oAJ.
>>> For more options, visit https://groups.google.com/groups/opt_out.
>>>
>>>
>>>
>>
>>
>>
>> --
>> -------------------------------------------------------------
>> visit my blog at http://jimlabs.heroku.com
>>
>>  --
>> You received this message because you are subscribed to the Google Groups
>> "Ruby on Rails: Talk" group.
>> To post to this group, send email to [email protected].
>> To unsubscribe from this group, send email to
>> [email protected].
>> For more options, visit https://groups.google.com/groups/opt_out.
>>
>>
>>
>
>  --
> You received this message because you are subscribed to the Google Groups
> "Ruby on Rails: Talk" group.
> To post to this group, send email to [email protected].
> To unsubscribe from this group, send email to
> [email protected].
> For more options, visit https://groups.google.com/groups/opt_out.
>
>
>



-- 
-------------------------------------------------------------
visit my blog at http://jimlabs.heroku.com

-- 
You received this message because you are subscribed to the Google Groups "Ruby 
on Rails: Talk" group.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to 
[email protected].
For more options, visit https://groups.google.com/groups/opt_out.


Reply via email to