Given the following function definition
function foo{T<:FloatingPoint}(A::Array{T})
B = copy(A)
#do some work on B
end
is there any (easy) way I can replace the call to copy() with a call that
allocates an array that is 2 elements longer in every dimension, and copies
A into the middle? A few examples might clarify what I mean:
A = [1 2] => B = [0 1 2 0]
A = [1 2; 3 4] => B = [0 0 0 0; 0 1 2 0; 0 3 4 0; 0 0 0 0]
In two dimensions I could do the following
B = similar(A, eltype(A), ([size(A)...].+2)...);
B[2:end-1,2:end-1] = copy(A);
but on the second line I'm making assumptions about the number of
dimensions. Is it possible to accomplish this without making that
assumption?
// Tomas
