Make gen_finn_dt_tensor consider the numpy type for INT and FIXED types

Author: iksnagreb

src/qonnx/util/basic.py

@@ -228,10 +228,12 @@ def gen_finn_dt_tensor(finn_dt, tensor_shape):
     elif finn_dt == DataType["BINARY"]:
         tensor_values = np.random.randint(2, size=tensor_shape)
     elif "INT" in finn_dt.name or finn_dt == DataType["TERNARY"]:
-        tensor_values = np.random.randint(finn_dt.min(), high=finn_dt.max() + 1, size=tensor_shape)
+        tensor_values = np.random.randint(
+            finn_dt.min(), high=finn_dt.max() + 1, size=tensor_shape, dtype=finn_dt.to_numpy_dt()
+        )
     elif "FIXED" in finn_dt.name:
         int_dt = DataType["INT" + str(finn_dt.bitwidth())]
-        tensor_values = np.random.randint(int_dt.min(), high=int_dt.max() + 1, size=tensor_shape)
+        tensor_values = np.random.randint(int_dt.min(), high=int_dt.max() + 1, size=tensor_shape, dtype=int_dt.to_numpy_dt())
         tensor_values = tensor_values * finn_dt.scale_factor()
     elif finn_dt == DataType["FLOAT32"]:
         tensor_values = np.random.randn(*tensor_shape)