Better detection of dtype in TemporaryVariable initialization
This fix allows the user to initialize a temporary variable as follows:
var_int = np.random.randint(1000, size=n, dtype=np.int32)
var = lp.TemporaryVariable('var', initializer=var_int,
scope=scopes.PRIVATE,
read_only=True,
dtype=np.int32)
Previously, it would result in the following error:
File "loopy/kernel/data.py", line 385, in __init__
elif dtype.numpy_dtype != initializer.dtype:
AttributeError: type object 'numpy.int32' has no attribute 'numpy_dtype'
This now supports passing of regular dtypes or NumpyType
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