promote tuples as arguments before collection (#453)

* promote tuples as arguments before collection

* version bump

Author: jverzani

Project.toml

@@ -2,7 +2,7 @@ name = "Polynomials"
 uuid = "f27b6e38-b328-58d1-80ce-0feddd5e7a45"
 license = "MIT"
 author = "JuliaMath"
-version = "3.2.2"
+version = "3.2.3"
 
 [deps]
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"

src/abstract.jl

@@ -102,7 +102,7 @@ macro register(name)
         end
         function $poly(coeffs::G, var::SymbolLike=Var(:x)) where {G}
             !Base.isiterable(G) && throw(ArgumentError("coeffs is not iterable"))
-            cs = collect(coeffs)
+            cs = collect(promote(coeffs...))
             $poly{eltype(cs), Symbol(var)}(cs)
         end
 

test/StandardBasis.jl

@@ -59,6 +59,10 @@ isimmutable(::Type{<:ImmutablePolynomial}) = true
             ## issue #395
             v = [1,2,3]
             @test P(v) == P(v,:x) == P(v,'x') == P(v,"x") == P(v, Polynomials.Var(:x))
+
+            ## issue #452
+            ps = (1, 1.0)
+            P != FactoredPolynomial && @test eltype(P(ps)) == eltype(promote(ps...))
         end
     end
 end