[Numpy-discussion] NaN value processing in weave.inline code

[Joon Ro]

Oops .. I guess isnan() inside the weave code just works fine. Should have  
tried this first.

By the way, is there any speed lost doing this? Should I convert all NaN  
values into a integer and use it inside the weave inline c code?

-Joon



  On Fri, 14 Jan 2011 14:03:16 -0600, Joon Ro <joonpyro at gmail.com> wrote:

> Hi,
>
> I was wondering if it is possible to process (in if statement - check if  
> the given value is NaN) numpy NaN value inside the weave.inline c code.
>
>
> testcode = '''
> if (test(0)) {
>      return_val = test(0);
> }
> '''
>
> err = weave.inline(testcode,
> ['test'],
> type_converters = converters.blitz, force = 0, verbose = 1)
>
>
> with test(0) = nan returns err = nan correctly, but I don't know how to  
> check the nan value inside the c inline c code. Is there any way I can  
> get similar functionality as isnan?
>
> Thank you,
> Joon
> --
>


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