1 | initial version |

This was already reported in Sébastien's answer to:

and made into:

This is already fixed this in Giac; future versions should no longer have this problem.

The place to report Giac issues in general is the Giac/Xcas forum.

2 | No.2 Revision |

~~This was already reported in Sébastien's answer to:~~It turns out @Sébastien hit that bug when comparing various integration engines to answer:

and ~~made into:~~having checked it did not correspond to existing tickets, he opened one for that:

~~This ~~Bernard Parisse, the main Giac developer, posted there that that problem is already fixed ~~this in Giac; future versions should no longer have this problem.~~

The place to report Giac issues in general in Giac.

When Sage uses a Giac version with such warnings, silencing them would be nice, see comment 9 by @vdelecroix at Sage Trac ticket 29966. See previous Giac tickets

Regarding where to ask about Giac:

- as @tmonteil recalls, Giac bugs are worth tracking on the Sage side too when relevant
- the main Giac developer participates in relevant Sage discussions and Sage Trac tickets
- the main discussion venue for Giac itself is the
Giac/Xcas forum
~~.~~ - Giac bugs, feature requests and questions can be discussed there

Related:

- Sage Trac tickets with giac in the summary
- in a comment to Sage Trac ticket 31594, the main Giac developer mentions your integrals test suite

3 | No.3 Revision |

It turns out @Sébastien hit that bug when comparing various integration ~~engines to answer:~~

- engines
while answering Ask Sage question 50885: integrate sqrt(x+sqrt(x))

and having .

Having checked it did not correspond to existing tickets, he opened one for that:

Bernard Parisse, the main Giac developer, posted there that that problem is already fixed in Giac.

When Sage uses a Giac version with such warnings, silencing them would be nice,
see comment 9 by @vdelecroix at Sage Trac ticket ~~29966. See previous Giac tickets~~29966.

Regarding where to ask about Giac:

- as @tmonteil recalls, Giac bugs are worth tracking on the Sage side too when relevant
- the main Giac developer participates in relevant Sage discussions and Sage Trac tickets
- the main discussion venue for Giac itself is the Giac/Xcas forum
- Giac bugs, feature requests and questions can be discussed there

Related:

- Sage Trac tickets with giac in the summary
- in a comment to Sage Trac ticket 31594, the main Giac developer mentions your integrals test suite

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