bugAxiom Computer Algebra System - Bugs: bug #10574, Strange failure when using pinterp

 
 

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bug #10574: Strange failure when using pinterp

Submitted by:  Martin Rubey <kratt6>
Submitted on:  Mon 04 Oct 2004 01:12:46 PM UTC  
 
Category:  interpreter Severity:  3 - Normal
Item Group:  code bug Status:  None
Privacy:  Public Assigned to:  None
Originator Name:  Open/Closed:  Open
Release:  Reproducibility:  None
Fixed Release: 
Error message: 

Cannot convert from type Float to Polynomial Integer for value
4.5

Example of code trigerring the bug: 

y x == (1+x)^x/x
interpolate(x,[1,2,3],[1/y(i) for i in 1..3])$PINTERP(x,FRAC POLY INT)

Internal cause: 

Mon 04 Oct 2004 01:12:46 PM UTC, original submission:

Note that the failure only happens when issueing interpolate, but in this case, also thereafter, i.e., if you ask for y(2) afterwards!

Martin Rubey <kratt6>

 

No files currently attached

 

Depends on the following items: None found

Items that depend on this one: None found

 

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    Follow 2 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    Tue 25 Nov 2008 03:46:45 AM UTC axiom Error message Cannot convert from type Float to Polynomial Integer for value 4.5 => Cannot convert from type Float to Polynomial Integer for value 4.5
        Example of code trigerring the bugy x == (1+x)^x/x interpolate(x,[1,2,3],[1/y(i) for i in 1..3])$PINTERP(x,FRAC POLY INT) => y x == (1+x)^x/x interpolate(x,[1,2,3],[1/y(i) for i in 1..3])$PINTERP(x,FRAC POLY INT)

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