Christian Meesters wrote:
> Hoi,
>
> thanks to Robert Kern who helped me out yesterday on the f2py-list, I was
> able
> to make some progress in accessing FORTRAN from Python. But only some
> progress ...
>
> If I have the following code, named 'hello.f':
> C File hello.f
> subroutine foo (a)
> integer a
> print*, "Hello from Fortran!"
> print*, "a=",a
> end
>
> and compile it with g77 -shared -fPIC hello.f -o hello.so
>
> and then start python, I get the following:
>>>> from numpy import *
>>>> from ctypes import c_int, POINTER, byref
>>>> hellolib = ctypeslib.load_library('hello', '.')
>>>> hello = hellolib.foo_
>>>> hello(42)
> Hello from Fortran!
> Segmentation fault
>
> Can anybody tell me where my mistake is? (Currently python 2.4.1 (no
> intention
> to update soon), the most recent ctypes, and numpy '1.0.dev3341' from svn.)
>
> And a second question: Are there simple examples around which show how to
> pass
> and retrieve lists, numpy arrays, and dicts to and from FORTRAN? Despite an
> intensive web search I couldn't find anything.
I don't believe anyone has posted anything about calling FORTRAN code using
ctypes. Why aren't you using f2py?
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless enigma
that is made terrible by our own mad attempt to interpret it as though it had
an underlying truth."
-- Umberto Eco
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