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

 
 

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bug #10574: Strange failure when using pinterp

Submitter:  Martin Rubey <kratt6>
Submitted:  Mon 04 Oct 2004 01:12:46 PM UTC
   
 
Category:  interpreter Severity:  3 - Normal
Priority:  5 - 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: 


Discussion

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>

 

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    History

    Follow 2 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2008-11-25 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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