#14965: FloatingPoint exception when multiplying matrix over QQ by vector over
SR
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Reporter: dkrenn | Owner:
Type: defect | Status: needs_info
Priority: major | Milestone: sage-
Component: linear algebra | duplicate/invalid/wontfix
Keywords: matrix, vector, | Resolution:
mutliplication, floatingpoint | Merged in:
exception | Reviewers: Jeroen Demeyer
Authors: | Work issues:
Report Upstream: N/A | Commit:
Branch: | Stopgaps:
Dependencies: #16908 |
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Comment (by pbruin):
> '''NOTE:'''
> The way to trigger the bug from sage is now:
> {{{
> sage:
f=84644440725961403098463183554485799389772425728699536724546678651368471662755793858191462623325951275455550962101277270763335324980423888503086416881487600951168887632284102290001262851926718316596582705934285641705714110547524777517804311041930987129930496818273454551255885915706318740821679919000000000000000000000*x/422165920314471048721358275854632323285179941428330150821135511815100042994592631347355397175387243022779234708963662480477375868719044084318634583443223137428890926160543699705457864438134730545535596936604372279922247951010042249163649352110753480952771747316504857000652757440826179465253453626540111934123296968384641+2097152/10460353203;
> sage: maxima_calculus(f)==0
> FloatingPointError
> }}}
This is an error I can reproduce with 5.33.0 and that seems to be gone in
5.34.0.
--
Ticket URL: <http://trac.sagemath.org/ticket/14965#comment:10>
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