wrote some tests for the jasp based hamiltonian simulation

tests/jax_tests/test_jasp_hamiltonian_simulation.py

@@ -0,0 +1,50 @@
+"""
+\********************************************************************************
+* Copyright (c) 2023 the Qrisp authors
+*
+* This program and the accompanying materials are made available under the
+* terms of the Eclipse Public License 2.0 which is available at
+* http://www.eclipse.org/legal/epl-2.0.
+*
+* This Source Code may also be made available under the following Secondary
+* Licenses when the conditions for such availability set forth in the Eclipse
+* Public License, v. 2.0 are satisfied: GNU General Public License, version 2
+* with the GNU Classpath Exception which is
+* available at https://www.gnu.org/software/classpath/license.html.
+*
+* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
+********************************************************************************/
+"""
+
+from qrisp.operators import *
+from qrisp import QuantumFloat
+from qrisp.jasp import terminal_sampling
+
+def test_jasp_hamiltonian_simulation():
+
+
+    def test_hamiltonian(H):
+
+        def main():
+            qv = QuantumFloat(H.find_minimal_qubit_amount())
+            qv[:] = 5
+            U = H.trotterization()
+            U(qv, 1.5, steps = 1)
+            return qv
+
+        jasp_res = terminal_sampling(main)()
+        qrisp_res = main().get_measurement()
+
+        for k in jasp_res.keys():
+            assert abs(jasp_res[k] - qrisp_res[int(k)]) < 1E-3
+
+    H = Y(0)*X(1)*Z(2)
+    test_hamiltonian(H)
+    H = Y(0)*X(1)*Z(2) + Z(0)*Z(1)*Z(2)
+    test_hamiltonian(H)
+    H = A(0)*A(1)*A(2)*C(3)
+    test_hamiltonian(H)
+    H = A(0)*A(1)*A(2)*C(3) + Z(0)*Z(1)*A(3)        
+    test_hamiltonian(H)
+    H = a(0)*c(2)*a(3)*a(4) + c(0)*a(1)*a(3)*c(2)
+    test_hamiltonian(H)