[Maxima-bugs] [ maxima-Bugs-887174 ] genmatrix/lambda translate problem

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Bugs item #887174, was opened at 2004-01-29 11:45
Message generated for change (Settings changed) made by robert_dodier
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>Category: Lisp Core - Translator
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Stavros Macrakis (macrakis)
Assigned to: Nobody/Anonymous (nobody)
Summary: genmatrix/lambda translate problem

Initial Comment:
f():=genmatrix(lambda([i,j],3),1,1)
f() => matrix([3]) OK
translate(f)
f() => error

This is because genmatrix's semantics are screwy.

genmatrix allows a lambda-expression as a first argument 
(undocumented), but not a named function (because it 
treats symbols as array names) or a compiled function.

This violates referential transparency.  It also breaks 
translate.  The translate case can be patched, either by 
allowing translated functions as first arg (more 
inconsistency!), or by having translate cons up a lambda-
expression (yuck!).

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You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=104933&aid=887174&group_id=4933