fix: univariate polynomial rings over zero rings #1911
+16
−3
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maybe this one here first, then I could improve #1910 |
Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## master #1911 +/- ##
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- Coverage 88.17% 88.17% -0.01%
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Files 120 120
Lines 30298 30301 +3
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+ Hits 26716 26718 +2
- Misses 3582 3583 +1 ☔ View full report in Codecov by Sentry. |
lgoettgens
reviewed
Nov 25, 2024
| @@ -200,7 +200,7 @@ number_of_generators(R::PolyRing) = 1 | |||
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| iszero(a::PolynomialElem) = length(a) == 0 | |||
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| isone(a::PolynomialElem) = length(a) == 1 && isone(coeff(a, 0)) | |||
| isone(a::PolynomialElem) = length(a) <= 1 && isone(coeff(a, 0)) | |||
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does coeff(a, 0) even work for length(a) == 0 or does that error?
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Yes it works. This is part of the interface https://nemocas.github.io/AbstractAlgebra.jl/stable/poly_interface/#Basic-manipulation-of-rings-and-elements.
fingolfin
reviewed
Nov 25, 2024
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I will keep the caching of triviality for now. We can remove it later if we want. |
Co-authored-by: Max Horn <[email protected]>
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