I am using Reduce (CSL, rev 6261), 23-Feb-2022 When I load the defint package or it is automatically loaded, it reports the 'zero divisor'. An example screenshot is attached.
Thanks for reporting this.
It turns out that the culprit is a rule for i^n that is loaded globally together with the defint package in which it is used for contour integration.
I committed a quick fix in which the rule is applied only during contour integration.
Note that it is still possible to trigger the error by adding a rule for i^n; I need more time to implement a complete solution.
Rainer
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Thanks for reporting this.
It turns out that the culprit is a rule for i^n that is loaded globally together with the defint package in which it is used for contour integration.
I committed a quick fix in which the rule is applied only during contour integration.
Note that it is still possible to trigger the error by adding a rule for i^n; I need more time to implement a complete solution.
Rainer