some minor improvements to dynamic mcxs

src/qrisp/alg_primitives/mcx_algs/balauca.py

@@ -465,8 +465,10 @@ def jasp_balauca_mcx(ctrls, target, ctrl_state):
 
         with control(N == 1):
             cx(ctrls[0], target[0])
+
         with control(N == 2):
             mcx([ctrls[0], ctrls[1]], target[0])
+
         with control(N > 2):
             balauca_anc = QuantumVariable(N-2+N%2)
             with conjugate(jasp_balauca_helper)(ctrls, balauca_anc):
@@ -497,5 +499,4 @@ def jasp_balauca_helper(ctrls, balauca_anc):
                 balauca_anc[l+k+j], 
                 method = "gidney")
 
-        l = cond(jnp.bool(k%2), lambda x : x-1, lambda x : x, l)
-        l += k
+        l += k - k%2

src/qrisp/core/gate_application_functions.py

@@ -19,7 +19,7 @@
 import sympy
 
 import qrisp.circuit.standard_operations as std_ops
-from qrisp.jasp import check_for_tracing_mode
+from qrisp.jasp import check_for_tracing_mode, DynamicQubitArray
 
 def append_operation(operation, qubits=[], clbits=[], param_tracers = []):
     from qrisp import find_qs
@@ -510,6 +510,8 @@ def benchmark_mcx(n, methods):
             )
     else:
         qubits_0 = controls
+        if isinstance(qubits_0, (QuantumVariable, DynamicQubitArray)):
+            method = "balauca"
         qubits_1 = [target]
     from qrisp.alg_primitives.mcx_algs import (
         balauca_dirty,