Duh. Simplest approach wins! On Sun, Dec 13, 2009 at 1:25 PM, Jake Mannix <[email protected]> wrote:
> > Following up on Jake's comment, could we have a marker interface that > > indicates a function maps 0 to 0? The abstract vector and matrix > > implementations could use instanceOf to decide what to do. > > > > I tried this when I was still trying to contribute to commons-math, but > realized > after several patch iterations that it's actually far easier to just do > this: > > Iterator<Element> e = (f.apply(0) == 0) ? iterateNonZero() : > iterateAll(); > -- Ted Dunning, CTO DeepDyve
