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Test for Issue #104 #191

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Test for Issue #104 #191

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6 changes: 6 additions & 0 deletions test/division.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -196,6 +196,12 @@ function multivariate_gcd_test(::Type{T}, algo=GeneralizedEuclideanAlgorithm())
sym_test(p1, p2, x, algo)
end

@testset "Issue #104" begin
p1 = o - o * x
p2 = p1 * (o * y^2 + o)
sym_test(p1, p2, p1, algo)
end

p1 = o*z - z
p2 = z
@test gcd(p1, p2, algo) == z
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12 changes: 12 additions & 0 deletions test/monomial.jl
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Expand Up @@ -23,9 +23,21 @@ function mapexponents_test()
b = x * y
c = MP.mapexponents!(+, a, b)
@test variables(c) == variables(b)
@test degree(c, x) == 3
@test degree(c, y) == 1
a = x^3
d = MP.mapexponents_to!(a, -, b, b)
@test variables(d) == variables(b)
@test degree(d, x) == 0
@test degree(d, y) == 0
# See https://github.com/JuliaAlgebra/DynamicPolynomials.jl/pull/105
e = x^1
f = x * y^2
g = MP.mapexponents!(div, e, f)
@test g === e
@test variables(e) == variables(f)
@test degree(e, x) == 1
@test degree(e, y) == 0
end

@testset "Monomial" begin
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