Hello all,

I was trying to answer a question on ask sage and I might have ran
into a bug.

http://ask.sagemath.org/question/1308/get_minmax_data-too-generosous

The following statements work with no problem:

sage: f(x) = sin(x)
sage: find_minimum_on_interval(f,0,1)
(6.5078162602101728e-09, 6.5078162602101728e-09)
sage: find_maximum_on_interval(f,0,1)
(0.841470969301, 0.99999997130024143)
sage: find_minimum_on_interval(f,0,2)
(8.740260678362169e-09, 8.740260678362169e-09)

the error message arises when executing

sage: find_maximum_on_interval(f,0,2)
[some output ommited]
RuntimeError: ECL says: THROW: The catch MACSYMA-QUIT is undefined.

Is this a bug?

Thanks,
Fidel

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