Re: [Quantlib-dev] print vs assign output in QuantLib-SWIG

[Tawanda G. <tg...@gm...>]

I've solved it.

I needed to say  

    ff:zeroRate(zDate,daycount,Annual):rate()

I had not realized there was an InterestRate wrapper in interestrate.i.



On Aug 27, 2012, at 10:55 AM, Luigi Ballabio <lui...@gm...> wrote:

> Hi Tawanda,
>    I'm not sure what you mean by "I get the same string when I assign".
> Do you mean that if you write "x = ff:zeroRate(zDate,daycount,Annual)"
> (or whatever the syntax for assignment is in Lua) then x holds the
> string instead of an InterestRate instance?  If so, it looks like an
> issue of the Lua wrappers to me...
> 
> Luigi
> 
> On Sun, Aug 26, 2012 at 1:08 AM, Tawanda Gwena <tg...@gm...> wrote:
>> I am working on quantlib-swig and porting it to Lua.
>> 
>> I have been working with the interest rate curves. They mostly work except at the output stage. I successfully created the PiecewiseFlatForward object "ff". When I issue the command
>> 
>>      print(ff:zeroRate(zDate,daycount,Annual)
>> 
>> I get the output
>> 
>>    0.443772 % Actual/360 Annual compounding
>> 
>> Unfortunately I get the same string when I assign, which is generally not easy to work with.
>> 
>> 
>> I would like to know how the other languages deal with it (Python for instance) and pointers to where I may be able to fix it.
>> 
>> Thanks
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