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add number_of_generators for UniversalPolyRing #1795

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Sep 20, 2024
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add number_of_generators for UniversalPolyRing #1795

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6 changes: 6 additions & 0 deletions docs/src/univpolynomial.md
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Original file line number Diff line number Diff line change
Expand Up @@ -73,8 +73,14 @@ Universal Polynomial Ring over Integers
julia> x = gen(S, "x")
x

julia> number_of_generators(S)
1

julia> y, z = gens(S, ["y", "z"])
(y, z)

julia> number_of_generators(S)
3
```

## Universal polynomial functionality
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2 changes: 2 additions & 0 deletions src/generic/UnivPoly.jl
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Expand Up @@ -36,6 +36,8 @@

number_of_variables(S::UniversalPolyRing) = length(S.S)

number_of_generators(S::UniversalPolyRing) = length(S.S)

Check warning on line 39 in src/generic/UnivPoly.jl

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src/generic/UnivPoly.jl#L39 

Added line #L39 was not covered by tests

symbols(S::UniversalPolyRing) = S.S

function vars(p::UnivPoly{T}) where {T}
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