Implement equality with Polynomial (#27)

* Implement equality with Polynomial * Fix
JuliaAlgebra · May 22, 2024 · 569a597 · 569a597
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diff --git a/src/polynomial.jl b/src/polynomial.jl
@@ -45,6 +45,10 @@ function Polynomial{B}(v::MP.AbstractVariable) where {B}
     return Polynomial{B}(MP.monomial(v))
 end
 
+function Base.:(==)(p::Polynomial{B}, q::Polynomial{B}) where {B}
+    return p.monomial == q.monomial
+end
+
 MP.variables(p::Polynomial) = MP.variables(p.monomial)
 MP.nvariables(p::Polynomial) = MP.nvariables(p.monomial)
 

diff --git a/test/monomial.jl b/test/monomial.jl
@@ -10,6 +10,8 @@ using DynamicPolynomials
     b = a * a
     @test b.coeffs == x^2
     @test typeof(b.coeffs) == typeof(x^2)
+    @test MB.Polynomial{MB.Monomial}(x^2) == MB.Polynomial{MB.Monomial}(x^2)
+    @test MB.Polynomial{MB.Monomial}(x^3) != MB.Polynomial{MB.Monomial}(x^2)
 end
 
 @testset "Linear" begin