Rainer M. Krug wrote: > > One option is to modify round() to take a second argument (defaulting > > to 1), and have it return the first argument rounded to the nearest > > multiple of the second. The return type would be that of the second > > argument, i.e. round(x,1) rounds to the nearest integer and returns an > > integer, round(x,1.0) rounds to the nearest integer and returns a > > float, round(x,1e-3) would round to 3 decimal places (i.e. the nearest > > multiple of 0.001), etc. > > Sounds like a sensible approach without adding to many new > functions. But I would actually split the two, i.e. have two more > arguments, where one specifies the type, > and the other one the number of decimals to round to, i.e. > > round(x, 0, "I") would be the default, rounding to whole number and > return an integer
That interface isn't possible. r.mapcalc doesn't have a string type, and there's no way that a function's return type can depend upon the value of a parameter. -- Glynn Clements <gl...@gclements.plus.com> _______________________________________________ grass-dev mailing list grass-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-dev