Merge pull request #4 from jverzani/patch-1

add abs() to check on coefficients for degree

Author: Keno

src/Polynomials.jl

@@ -186,7 +186,7 @@ end
 
 function degree{T}(p::Poly{T})
     for i = length(p):-1:0
-        if p[i] > 2*eps(T)
+        if abs(p[i]) > 2*eps(T)
             return i
         end
     end
@@ -344,4 +344,4 @@ function gcd{T<:FloatingPoint, S<:FloatingPoint}(a::Poly{T}, b::Poly{S})
         return gcd(b, r)
     end
 end
-end # module Poly
+end # module Poly