Origin means (0,0) or plain 0 in English.
On Jun 22, 2012, at 2:42 PM, Roelof Wobben wrote: > Hello, > > I try to make this exercise : > > Exercise 76: A programmer has chosen to represent locations as Cartesian > points or just points: > ; Location is one of: > ; – Posn > ; – Number > ; interp. Posn are positions on the Cartesian grid, > ; Numbers are positions on the number line > Design the function in-reach, which determines whether or not a given > location’s distance to the origin is strictly less than some constantR. > > So I must design a function called in-reach. > > Am I right I need to use two structs (Posn) . One for the given location and > one for the origon ? > > Regards, > > Roelof > > > > ____________________ > Racket Users list: > http://lists.racket-lang.org/users
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