Merge remote-tracking branch 'origin/unwraptype' into pr2-0.5.5

Author: mfalt

src/utilities.jl

@@ -105,7 +105,8 @@ function unwrap!(M::Array, dim=1)
         # d = M[i,:,:,...,:] - M[i-1,:,...,:]
         # M[i,:,:,...,:] -= floor((d+π) / (2π)) * 2π
         d = M[alldims(i)...] - M[alldims(i-1)...]
-        M[alldims(i)...] -= floor.((d .+ π) / 2π) * 2π
+        π2 = eltype(M)(2π)
+        M[alldims(i)...] -= floor.((d .+ π) / π2) * π2
     end
     return M
 end