remove unbound type parameters (#113)

I didn't check, but unbound type parameters often cause performance
issues, so this may not be merely cosmetic.

Author: nsajko

src/blockbanded/blockbanded.jl

@@ -73,7 +73,7 @@ BroadcastStyle(::Type{<:PseudoBlockArray{T,N,<:AbstractArray{T,N},<:NTuple{N,Blo
 # KronTrav
 ###
 
-_krontrav_axes(A::OneToInf{Int}, B::OneToInf{Int}) where N = blockedrange(oneto(length(A)))
+_krontrav_axes(A::OneToInf{Int}, B::OneToInf{Int}) = blockedrange(oneto(length(A)))
 
 
 struct InfKronTravBandedBlockBandedLayout <: AbstractLazyBandedBlockBandedLayout end
@@ -84,4 +84,4 @@ sublayout(::InfKronTravBandedBlockBandedLayout, ::Type{<:NTuple{2,BlockSlice{Blo
 
 copy(M::Mul{InfKronTravBandedBlockBandedLayout, InfKronTravBandedBlockBandedLayout}) = KronTrav((krontravargs(M.A) .* krontravargs(M.B))...)
 
-_broadcast_sub_arguments(::InfKronTravBandedBlockBandedLayout, M, V) = _broadcast_sub_arguments(KronTravBandedBlockBandedLayout(), M, V)
+_broadcast_sub_arguments(::InfKronTravBandedBlockBandedLayout, M, V) = _broadcast_sub_arguments(KronTravBandedBlockBandedLayout(), M, V)

src/infql.jl

@@ -95,8 +95,8 @@ end
 getindex(Q::QLPackedQ{T,<:InfBandedMatrix{T}}, i::Int, j::Int) where T =
     (Q'*[Zeros{T}(i-1); one(T); Zeros{T}(∞)])[j]'
 
-getL(Q::QL, ::NTuple{2,InfiniteCardinal{0}}) where T = LowerTriangular(Q.factors)
-getL(Q::QLHessenberg, ::NTuple{2,InfiniteCardinal{0}}) where T = LowerTriangular(Q.factors)
+getL(Q::QL, ::NTuple{2,InfiniteCardinal{0}}) = LowerTriangular(Q.factors)
+getL(Q::QLHessenberg, ::NTuple{2,InfiniteCardinal{0}}) = LowerTriangular(Q.factors)
 
 # number of structural non-zeros in axis k
 nzzeros(A::AbstractArray, k) = size(A,k)
@@ -373,4 +373,4 @@ function LazyBandedMatrices._SymTridiagonal(::Tuple{TriangularLayout{'L', 'N', P
     dv = [A[k,k] for k=1:m]
     ev = [A[k,k+1] for k=1:m-1]
     SymTridiagonal([dv; Fill(dv[end],∞)], [ev; Fill(ev[end],∞)])
-end
+end