Bump MP to v0.5.8

Author: blegat

.github/workflows/ci.yml

@@ -33,13 +33,6 @@ jobs:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
       - uses: julia-actions/cache@v2
-      - name: MP
-        shell: julia --project=@. {0}
-        run: |
-          using Pkg
-          Pkg.add([
-              PackageSpec(name="MultivariatePolynomials", rev="master"),
-          ])
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
         with:

Project.toml

@@ -12,7 +12,7 @@ Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [compat]
-MultivariatePolynomials = "0.5.6"
+MultivariatePolynomials = "0.5.8"
 MutableArithmetics = "1"
 Reexport = "1"
 julia = "1"

src/comp.jl

@@ -31,6 +31,10 @@ function Base.cmp(
     end
 end
 
+# TODO remove
+Base.:(==)(x::Variable, y::Variable) = iszero(cmp(x, y))
+Base.:(==)(x::Monomial, y::Monomial) = iszero(cmp(x, y))
+
 # Comparison of MonomialVector
 function (==)(x::MonomialVector{V,M}, y::MonomialVector{V,M}) where {V,M}
     if length(x.Z) != length(y.Z)

src/monomial_vector.jl

@@ -215,7 +215,7 @@ function MonomialVector(
     )) do z
         filter(Monomial(vars, z))
     end
-    return MonomialVector(v, Z)
+    return MonomialVector(vars, collect(Z))
 end
 
 function MonomialVector(