catapult and oneapi tests

Author: calad0i

hls4ml/backends/fpga/passes/inplace_stream_flatten.py

@@ -15,7 +15,7 @@ def match(self, node):
         if not (isinstance(node, Reshape)):
             # Reshape with multiple outputs will be kept as is, or repack cannot handle different shapes
             return False
-        if len(node.get_output_variable().shape) + node.name in node.model.outputs != 1:
+        if len(node.get_output_variable().shape) + (node.name in node.model.outputs) != 1:
             return False
         io_type = node.model.config.get_config_value('IOType')
         return io_type == 'io_stream'

test/pytest/test_multiout_network.py

@@ -67,7 +67,7 @@ def test_multi_output_nn(model, data, backend: str, io_type: str):
     assert np.allclose(r_hls[1], r_keras[1], atol=1e-5, rtol=0)
 
 
-@pytest.mark.parametrize('backend', ['Vivado', 'Quartus', 'Vitis'])
+@pytest.mark.parametrize('backend', ['Vivado', 'Quartus', 'Vitis', 'Catapult', 'OneAPI'])
 @pytest.mark.parametrize('io_type', ['io_parallel', 'io_stream'])
 @pytest.mark.parametrize('strategy', ['latency', 'resource'])
 def test_multi_output_nn_2(model2, data2, backend: str, io_type: str, strategy: str):