fix ortho

Author: AFeuerpfeil

src/states/ortho.jl

@@ -81,7 +81,8 @@ function MixedCanonical(;
         tol::Real = Defaults.tolgauge, maxiter::Int = Defaults.maxiter,
         verbosity::Int = VERBOSE_WARN, alg_orth = Defaults.alg_orth(),
         alg_eigsolve = _GAUGE_ALG_EIGSOLVE,
-        eig_miniter::Int = 10, order::Symbol = :LR
+        eig_miniter::Int = 10, order::Symbol = :LR,
+        backend = DefaultBackend(), allocator = BufferAllocator(),
     )
     left = LeftCanonical(;
         tol, maxiter, verbosity, alg_orth, alg_eigsolve, eig_miniter, backend, allocator