I believe in your current setup there is no better way. But you should seriously consider changing the way of using array data. Storing bare pointers in the C side and not holding a reference to the object providing the data in the C side is really error prone.
On 6/3/08, Jose Martin <[EMAIL PROTECTED]> wrote: > > Hi, I read a file with array data (one per line), and send the arrays to a > module in C. In the C module, I need to store pointers to the arrays, so I > don't have to make a copy for each array it receives from python. > > I found that if I reuse the same variable name to create the array, the > pointer's values in C program will be lost next time the variable is > reassigned. > > For example: > - for line in file: > - myarray=create an int array from line > - my_c_module.function(myarray) > > 'myarray' is reused to create a new array for each line, however I see that > the data in myarray in previous loops (which is stored in C program) is > destroyed. > > To avoid this, I create a python list that appends each 'myarray' instances, > and thus are not overwritten. Is there a better approach to avoid this? > > Thanks in advance! > > > > > > > _______________________________________________ > Join Excite! - http://www.excite.com > The most personalized portal on the Web! > > > _______________________________________________ > Numpy-discussion mailing list > [email protected] > http://projects.scipy.org/mailman/listinfo/numpy-discussion > -- Lisandro Dalcín --------------- Centro Internacional de Métodos Computacionales en Ingeniería (CIMEC) Instituto de Desarrollo Tecnológico para la Industria Química (INTEC) Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) PTLC - Güemes 3450, (3000) Santa Fe, Argentina Tel/Fax: +54-(0)342-451.1594 _______________________________________________ Numpy-discussion mailing list [email protected] http://projects.scipy.org/mailman/listinfo/numpy-discussion
