Fix allocations in ntuple

Author: mewilhel

src/arithmetic.jl

@@ -217,16 +217,17 @@ end
 @inline -(a::STaylor1) = STaylor1(minus_tuple(a.coeffs))
 
 function +(a::STaylor1{N,T}, b::T) where {N, T<:Number}
-    STaylor1{N,T}(ntuple(i -> i == 1 ? a.coeffs[1] + b : a.coeffs[i], N))
+    STaylor1{N,T}(ntuple(i -> i == 1 ? a.coeffs[1] + b : a.coeffs[i], Val(N)))
 end
 function +(b::T, a::STaylor1{N,T}) where {N, T<:Number}
-    STaylor1{N,T}(ntuple(i -> i == 1 ? a.coeffs[1] + b : a.coeffs[i], N))
+    STaylor1{N,T}(ntuple(i -> i == 1 ? a.coeffs[1] + b : a.coeffs[i], Val(N)))
 end
 function -(a::STaylor1{N,T}, b::T) where {N, T<:Number}
-    STaylor1{N,T}(ntuple(i -> i == 1 ? a.coeffs[1] - b : a.coeffs[i], N))
+    STaylor1{N,T}(ntuple(i -> i == 1 ? a.coeffs[1] - b : a.coeffs[i], Val(N)))
 end
 -(b::T, a::STaylor1{N,T}) where {N, T<:Number}  = b + (-a)
 
+#+(a::STaylor1{N,T}, b::S) where {N, T<:NumberNotSeries, S<:NumberNotSeries} = +(promote(a,b)...)
 #+(a::STaylor1{N,T}, b::STaylor1{N,S}) where {N, T<:NumberNotSeries, S<:NumberNotSeries} = +(promote(a,b)...)
 #+(a::STaylor1{N,T}, b::S) where {N, T<:NumberNotSeries, S<:NumberNotSeries} = +(promote(a,b)...)
 #+(b::S, a::STaylor1{N,T}) where {N, T<:NumberNotSeries, S<:NumberNotSeries} = +(promote(b,a)...)