You can allocate the 'spline' object once and pass it to the function, as long as your BIN parameter stays the same for each function call.
On 10/14/2013 03:52 AM, Ruben Farinelli wrote: > Dear GSL, > I have the following question. > > I need to pass thousands of times two arrays to a custom function in order to > perform a spline interpolation. > However allocating at each call in the function the dimension of the object > and then freeing it via the commands > > spline=gsl_spline_alloc(gsl_interp_cspline, BIN); > gsl_spline_init(spline, array_x, array_y, BIN); > > \*commands > > /* > > gsl_spline_free(spline); > > > is very time consuming. > What I would like to do is allocating the object just once, i.e. when the > function is called for the first time, and then proceed on up to the end > of the loop. > How can I do that ? > > Thank you in advance > Best regards > > Ruben Farinelli > >