Issue ngcd (#318)

* fix issue with ngcd * version bump
JuliaMath · Mar 23, 2021 · 815ab1a · 815ab1a · jverzani · Mar 23, 2021
1 parent 3ceb43c
commit 815ab1a
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Showing 2 changed files with 5 additions and 5 deletions.
diff --git a/Project.toml b/Project.toml
@@ -2,7 +2,7 @@ name = "Polynomials"
 uuid = "f27b6e38-b328-58d1-80ce-0feddd5e7a45"
 license = "MIT"
 author = "JuliaMath"
-version = "2.0.0"
+version = "2.0.1"
 
 [deps]
 Intervals = "d8418881-c3e1-53bb-8760-2df7ec849ed5"

diff --git a/src/polynomials/ngcd.jl b/src/polynomials/ngcd.jl
@@ -10,10 +10,10 @@ In the case `degree(p) ≫ degree(q)`,  a heuristic is employed to first call on
 function ngcd(p::P, q::Q, args...;kwargs...) where {T, S, P<:StandardBasisPolynomial{T}, Q <: StandardBasisPolynomial{S}}
 
     degree(p) < 0  && return (u=q,      v=p, w=one(q),  θ=NaN, κ=NaN)
-    degree(p) == 0 && return (u=one(q), v=p, w=zero(q), θ=NaN, κ=NaN)
+    degree(p) == 0 && return (u=one(q), v=p, w=q,       θ=NaN, κ=NaN)
     degree(q) < 0  && return (u=one(q), v=p, w=zero(q), θ=NaN, κ=NaN)
     degree(q) == 0 && return (u=one(p), v=p, w=q,       θ=NaN, κ=NaN)
-    assert_same_variable(p,q) 
+    assert_same_variable(p,q)
 
     p′,q′ = promote(p,q)
 
@@ -264,8 +264,8 @@ end
 # return guess at smallest singular value and right sinuglar value, x
 # for an upper triangular matrix, V
 function smallest_singular_value(V::AbstractArray{T,2},
-                                 atol=eps(T),
-                                 rtol=zero(T)) where {T}
+                                 atol=eps(real(T)),
+                                 rtol=zero(real(T))) where {T}
 
     R = UpperTriangular(V)
     k = size(R)[1]/2