On Sat, Jan 20, 2007 at 05:27:31PM +0000, John Cupitt wrote: > double test[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }; > oil_sum_f64 (&sum, test, 1, 10); > Have I misread the docs? Yes. The stride in the above case is sizeof(double). dave...