numpy.dtype.isbuiltin — NumPy v1.11 Manual (original) (raw)
dtype.isbuiltin¶
Integer indicating how this dtype relates to the built-in dtypes.
Read-only.
| 0 | if this is a structured array type, with fields |
|---|---|
| 1 | if this is a dtype compiled into numpy (such as ints, floats etc) |
| 2 | if the dtype is for a user-defined numpy type A user-defined type uses the numpy C-API machinery to extend numpy to handle a new array type. SeeUser-defined data-types in the Numpy manual. |
Examples
dt = np.dtype('i2') dt.isbuiltin 1 dt = np.dtype('f8') dt.isbuiltin 1 dt = np.dtype([('field1', 'f8')]) dt.isbuiltin 0