[C++-sig] Simply calling a routine ...

[Philip Austin]

Charles Leung writes:

 > Your example, utilizing num_util, will probably look something like...
 > 
 > ...
 > namespace nbpl = num_util;
 > namespace py = boost::python;
 > 
 > py::long_ foo( py::numeric::array a, float b,
 >                py::numeric::array c, int N ){
!!> 	Array<short, 1> A(N);
!!>  	A.data() = (short*) nbpl::data(a);
 > 
 >  	// Do some work

Note that Blitz has a flag to prevent it from invoking
delete on a's data pointer when A goes out of scope --
the lines marked !! need to be replaced with:

short* data = (short*) nbpl::data(a);
Array<short, 1> A(data,shape(N),neverDeleteData);

Regards, Phil