Mark -- Direct equality comparisons between doubles/floats will potentially yield unexpected behavior--especially for novice programmers--except when comparing cells initialized to zero with non-zero values.   Just a thought.

On Mon, Jul 8, 2013 at 6:46 PM, Mark Coletti <[log in to unmask]> wrote:
I'd like, as a convenience, for these member functions:

IntGrid2D.replace(int from, int to); // change all values of 'from' to 'to'
DoubleGrid2D.replace(double from, double to);

(I'd do it myself, but this is outside GeoMason's bailiwick.)