bugAxiom Computer Algebra System - Bugs: bug #6490, when is broken

 
 

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bug #6490: when is broken

Submitted by:  Tim Daly <axiom>
Submitted on:  Wed 12 Nov 2003 03:36:01 AM UTC  
 
Category: interpreterSeverity: 3 - Normal
Item Group: code bugStatus: transferred
Privacy: PublicAssigned to: Tim Daly <axiom>
Originator Name: Tim DalyOpen/Closed: Open
Release: 20031110Reproducibility: 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

Wed 12 Nov 2003 03:36:01 AM UTC, original submission:

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

Tim Daly <axiom>
Project AdministratorIn charge of this item.

 

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Follows 1 latest change.

Date Changed By Updated Field Previous Value => Replaced By
Fri 21 Jan 2005 05:24:01 AM UTCbillpage1StatusNone=>transferred

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