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Finding quadrants is flawed #622

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OlivierHnt opened this issue Jan 29, 2024 · 0 comments · Fixed by #652
Closed

Finding quadrants is flawed #622

OlivierHnt opened this issue Jan 29, 2024 · 0 comments · Fixed by #652
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@OlivierHnt
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As pointed out here #621 (comment), the function _quadrant used internally for trigonometric functions may yield wrong results.

See #621 (comment) for a proposal to fix the issue (at least partially).

Also, this issue can be related to #129 on the implementation of mod for intervals (see also PR #145 and #178).
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Reliable quadrant OlivierHnt/IntervalArithmetic.jl
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