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#423 showSummary fails ←	↑	→ #425 confusion over Category

#424 Interpreter code generation failed

Edit detail for #424 Interpreter code generation failed revision 3 of 11

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Editor: Bill Page Time: 2008/05/28 17:08:30 GMT-7
Note: ST(0)

added:
ST(0)

In OpenAxiom? one should be able to write a function that returns a 'Category':

axiomST(x:Integer):Category == (x=0 => SetCategory;Type)
   Function declaration ST : Integer -> Category has been added to 
      workspace.

Type: Void

axiomST(0)
   Internal Error
   Interpreter code generation failed for expression
      (IF (= |#1| 0) |SetCategory| |Type|)

but we get the error message:

   Internal Error
   Interpreter code generation failed for expression
      (IF (= |#1| 0) |SetCategory| |Type|)

This is ok for functions that return 'Domain':

axiomFI(x:Integer):Domain == (x=0 => Float;Integer)
   Function declaration FI : Integer -> Domain has been added to 
      workspace.

Type: Void

axiom
FI(0)

axiom

Compiling function FI with type Integer -> Domain 
; (DEFUN |*1;FI;1;initial| ...) is being compiled.
;; The variable |*1;FI;1;initial;MV| is undefined.
;; The compiler will assume this variable is a global.

(1)

Type: Domain

axiom
FI(1)

(2)

Type: Domain

... --Bill Page, Wed, 28 May 2008 17:07:17 -0700 reply

Axiom Version: => /usr/local/lib/open-axiom/x86_64-unknown-linux/1.2.0-2008-05-25