[SciPy-dev] status of newcore and f2py

[Travis Oliphant]

Pearu Peterson wrote:

>
> Hi,
>
> When forcing f2py to use newcore, that is, when changing
>
> #include "Numeric/arrayobject.h"
>
> to
>
> #include "scipy/arrayobject.h"
>
> in newcore/scipy/f2py2e/src/fortranobject.h, then I get the folloing 
> messages
>
> /tmp/tmpqynjjs/src/fortranobject.c: In function 'fortran_setattr':
> /tmp/tmpqynjjs/src/fortranobject.c:233: warning: implicit declaration 
> of function '_PyArray_multiply_list'
> /tmp/tmpqynjjs/src/fortranobject.c: In function 'copy_ND_array':
> /tmp/tmpqynjjs/src/fortranobject.c:980: warning: passing argument 2 of 
> 'cast' makes pointer from integer without a cast
> /tmp/tmpqynjjs/src/fortranobject.c:980: warning: passing argument 3 of 
> 'cast' makes integer from pointer without a cast
> /tmp/tmpqynjjs/src/fortranobject.c:980: warning: passing argument 4 of 
> 'cast' makes pointer from integer without a cast
> /tmp/tmpqynjjs/src/fortranobject.c:980: warning: passing argument 5 of 
> 'cast' makes pointer from integer without a cast
> /tmp/tmpqynjjs/src/fortranobject.c:1004: warning: passing argument 2 
> of 'cast' makes pointer from integer without a cast
> /tmp/tmpqynjjs/src/fortranobject.c:1004: warning: passing argument 3 
> of 'cast' makes integer from pointer without a cast
> /tmp/tmpqynjjs/src/fortranobject.c:1004: warning: passing argument 4 
> of 'cast' makes pointer from integer without a cast
> /tmp/tmpqynjjs/src/fortranobject.c:1004: warning: passing argument 5 
> of 'cast' makes pointer from integer without a cast
> /tmp/tmpqynjjs/src/fortranobject.c:1023: warning: passing argument 2 
> of 'cast' makes pointer from integer without a cast
> /tmp/tmpqynjjs/src/fortranobject.c:1023: warning: passing argument 3 
> of 'cast' makes integer from pointer without a cast
> /tmp/tmpqynjjs/src/fortranobject.c:1023: warning: passing argument 4 
> of 'cast' makes pointer from integer without a cast
> /tmp/tmpqynjjs/src/fortranobject.c:1023: warning: passing argument 5 
> of 'cast' makes pointer from integer without a cast
> /tmp/tmpqynjjs/src/fortranobject.c: At top level:
> /usr/local/include/python2.3/scipy/__multiarray_api.h:681: warning: 
> 'import_array' defined but not used
>
> when compiling fortranobject.c and when trying to import the 
> corresponding extension module, I get
>
>>>> import foo
>>>
> Traceback (most recent call last):
>   File "<stdin>", line 1, in ?
> ImportError: ./foo.so: undefined symbol: _PyArray_multiply_list
>
> So, we need to have a newcore replacement for _PyArray_multiply_list. 
> Is there anything available already?

Yes, PyArray_MultiplyList

I should make a define.

-Travis