[DataType] add finer-granularity integer types and (u)int64

src/finn/core/datatype.py

@@ -50,17 +50,69 @@ class DataType(Enum):
     UINT2 = auto()
     UINT3 = auto()
     UINT4 = auto()
+    UINT5 = auto()
+    UINT6 = auto()
+    UINT7 = auto()
     UINT8 = auto()
+    UINT9 = auto()
+    UINT10 = auto()
+    UINT11 = auto()
+    UINT12 = auto()
+    UINT13 = auto()
+    UINT14 = auto()
+    UINT15 = auto()
     UINT16 = auto()
+    UINT17 = auto()
+    UINT18 = auto()
+    UINT19 = auto()
+    UINT20 = auto()
+    UINT21 = auto()
+    UINT22 = auto()
+    UINT23 = auto()
+    UINT24 = auto()
+    UINT25 = auto()
+    UINT26 = auto()
+    UINT27 = auto()
+    UINT28 = auto()
+    UINT29 = auto()
+    UINT30 = auto()
+    UINT31 = auto()
     UINT32 = auto()
+    UINT64 = auto()
     BIPOLAR = auto()
     TERNARY = auto()
     INT2 = auto()
     INT3 = auto()
     INT4 = auto()
+    INT5 = auto()
+    INT6 = auto()
+    INT7 = auto()
     INT8 = auto()
+    INT9 = auto()
+    INT10 = auto()
+    INT11 = auto()
+    INT12 = auto()
+    INT13 = auto()
+    INT14 = auto()
+    INT15 = auto()
     INT16 = auto()
+    INT17 = auto()
+    INT18 = auto()
+    INT19 = auto()
+    INT20 = auto()
+    INT21 = auto()
+    INT22 = auto()
+    INT23 = auto()
+    INT24 = auto()
+    INT25 = auto()
+    INT26 = auto()
+    INT27 = auto()
+    INT28 = auto()
+    INT29 = auto()
+    INT30 = auto()
+    INT31 = auto()
     INT32 = auto()
+    INT64 = auto()
     FLOAT32 = auto()
 
     def bitwidth(self):

tests/fpgadataflow/test_convert_to_hls_layers_fc.py

@@ -123,6 +123,7 @@ def test_convert_to_hls_layers_tfc_w1a1():
     # do forward pass in PyTorch/Brevitas
     expected = tfc.forward(input_tensor).detach().numpy()
     assert np.isclose(produced, expected, atol=1e-3).all()
+    os.remove(export_onnx_path)
 
 
 @pytest.mark.vivado