[Axiom-developer] [#70 when is broken] (new)

[billpage]

Changes http://page.axiom-developer.org/zope/mathaction/70WhenIsBroken/diff
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>From BillPage Thu Jan 20 23:24:40 -0600 2005
From: Bill Page
Date: Thu, 20 Jan 2005 23:24:40 -0600
Subject: (new) when is broken
Message-ID: <address@hidden>


This is an automated notification sent by Savannah.
It relates to:
                bugs #6490, project Axiom Computer Algebra System

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 LATEST MODIFICATIONS of bugs #6490:
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               Posted by: Bill Page <billpage1>
               Posted on: 2005-01-21 05:24 (Canada/Eastern)
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                  Status:                    None -> transferred            


==============================================================================
 OVERVIEW of bugs #6490:
==============================================================================

URL:
  <http://savannah.nongnu.org/bugs/?func=detailitem&item_id=6490>

                 Summary: when is broken
                 Project: Axiom Computer Algebra System
            Submitted by: axiom
            Submitted on: Wed 11/12/2003 at 03:36
                Category: interpreter
                Severity: 5 - Average
              Item Group: code bug
                  Status: transferred
                 Privacy: Public
             Assigned to: axiom
         Originator Name: Tim Daly
        Originator Email: address@hidden
             Open/Closed: Open
                 Release: 20031110
         Reproducibility: None
           Fixed Release: 
           Error message: There are no library operations named when
Example of code trigerring the bug: ch : Integer ->
UnivariatePolynomial(x,FRAC(INT))
ch(0) == 1
ch(1) == x
ch(n) == 2 * x * ch(n-1) - ch(n-2) when n > 1
ch(2)
          Internal cause: The parser is broken

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The NAG interpreter and the Axiom interpreter do not
accept the when and otherwise verbs when defining
piecewise functions.






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This item URL is:
  <http://savannah.nongnu.org/bugs/?func=detailitem&item_id=6490>

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