function call different result than inline, also not defined on one branch

sd_weirdness.jl

function scale_sd!(A::SparseMatrixCSC; corrected=true)
    n = size(A, 1)
    if corrected
        sdcall(v,n,mn) = sqrt(sum(vi^2 for vi in v) / (n - 1) - (n / (n - 1)) * mn^2)
    else
        sdcall(v,n,mn) = sqrt(sum(vi^2 for vi in v) / n - mn^2)
    end
    for j in 1:size(A, 2)
        k = A.colptr[j]:(A.colptr[j+1] - 1)
        if length(k) > 0
			v = view(A.nzval, k)
			mn = mean(v) * (length(k) / n)
			sd = sdcall(v,n,mn)
			sd2 = sqrt(sum(vi^2 for vi in v) / (n - 1) - (n / (n - 1)) * mn^2)
			println("sdcall is $(sd)\tsdinline is $(sd2)")
			A.nzval[k] .= v ./ sd
        end
    end
    return A
end
A = sprand(10, 10, 0.1);
std(A, 1)
scale_sd!(copy(A)); # sdcall and sdinline different, sdinline correct
scale_sd!(copy(A), corrected=false);  # ERROR: UndefVarError: sdcall not defined