Arithmetic of Locations #16

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glen · 2019-07-23T19:04:59Z

glen commented

2019-07-23 19:04:59 +00:00

It is perfectly natural to add locations and subtract locations to get another location, just operating coordinatewise. You could also multiply a location by an int, and possibly even divide a location by an int.

glen added the

enhancement

label 2019-07-23 19:21:31 +00:00

glen referenced this issue from a commit

2019-07-25 13:25:14 +00:00

Add arithmetic for locations Nearly all of the basic operations in eval.c have been implemented for values of type LOCATION. The behavior is generally modeled after typical vector arithmetic. For "<", as a particular case, every component must be less than or equal the corresponding component, and at least one must be strictly less (<= drops the latter condition, of course). Note "<" returns the number of strictly less coordinates, but 0 (false) if any coordinate is greater. Also implements a mechanism (string array Type_Names) for printing type information and slightly enhanced the error message for type mismatch in + Closes #16.

glen closed this issue

2019-07-25 13:25:14 +00:00

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Reference: glen/teapot-spreadsheet#16