Re: calling C function from Python via f2py

From: David Brown <dbrown_at_nyahnyahspammersnyahnyah>
Date: Fri May 21 2010 - 12:46:31 MDT

Yes, I'm just saying that you might get more help from the NumPy list
for this question. But if someone can help that is fine with me.
  -dave

On May 21, 2010, at 12:33 PM, Matt Fearon wrote:

> Hi Dave,
>
> My ultimate goal is to import Ngl and Nio into this Python script and
> read and process grib data- this part I have figured out. However, I
> need to pass some of my data to a prewritten C function. Surely,
> calling C or Fortran from Python is related and would be helpful to
> folks amongst or using this list?
>
> Matt
>
>
> On Fri, May 21, 2010 at 2:26 PM, David Brown <dbrown@ucar.edu> wrote:
>> Hi Matt,
>>
>> This question is really off-topic for this mailing list. This is for
>> discussion of the PyNGL and PyNIO Python modules specifically.
>> Since f2py is
>> part of the NumPy package, I would suggest asking your question on
>> numpy-discussion@scipy.org.
>> (http://mail.scipy.org/mailman/listinfo/numpy-discussion to sign up).
>> -dave
>>
>>
>> On May 21, 2010, at 11:58 AM, Matt Fearon wrote:
>>
>>> Hello,
>>>
>>> New to PyNGL. I am trying to use f2py to generate a wrapped C
>>> function
>>> that I can call from Python (passing arguments to and from). I have
>>> this almost working, but I receive trouble with "exp and pow"
>>> related
>>> to C and some "pos (2) error" with one of my passed variables. My
>>> f2py
>>> syntax is:
>>>
>>> f2py -c -lm FFMCcalc.pyf FFMCcalc.c
>>>
>>> Also, my 3 scripts are short and attached.
>>>
>>> 1. FFMCcalc.c, C function
>>> 2. FFMCcalc.pyf, wrapper file
>>> 3. test.py, short python code that calls C function
>>>
>>> Any advice would greatly appreciated to get this working.
>>> thanks,
>>> Matt
>>>
>>> <
>>> FFMCcalc
>>> .c
>>> >
>>> <
>>> FFMCcalc
>>> .pyf><test.py>_______________________________________________
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>>
>>
>
>
>
> --

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Received on Fri May 21 12:46:34 2010

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