I would go with first version. What don't you like about it?
----- Original Message ----- From: Joe Bogner <[email protected]> To: [email protected] Sent: Thursday, May 5, 2016 8:47 PM Subject: [Jprogramming] divide if not zero Given a list of numbers in x and y, what would be the simplest way to divide x by y unless y is zero? I came up with these and I wasn't thrilled with any of them (3,2,4) %^:(0~:])"0 (6,0,3) 0.5 0 1.33333 (3,2,4) ]`%@.(0~:])"0 (6,0,3) 0.5 0 1.33333 It would be nice if it worked on x and y as atoms too (5 divideExceptZero 0) -: 0 I suppose I could just replace the _ with 0 too, but that also seems excessive (3,2,4) ((0,]) {~ _ ~: ])@% (6,0,3) 0.5 0 1.33333 but it does work with atoms: divideExceptZero =: ((0,]) {~ _ ~: ])@% (5 divideExceptZero 0) -: 0 1 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
