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- numpy.sign
...NumPy reference Routines and objects by topic Mathematical functions numpy.sign...
- numpy.signbit
...NumPy reference Routines and objects by topic Mathematical functions numpy.signbit...
- numpy.sign (Python data, in numpy.sign)
- Array creation
...ype=np.int8) Traceback (most recent call last): ... OverflowError: Python integer 128 out of bounds for int8 An 8-bit signed integer represents integers from -128 to 127. Assigning the int8 array to integers outside of this range results...
- ctypes foreign function interface (
numpy.ctypeslib)...>> type(c_int_array) <class 'c_long_Array_3'> >>> c_int_array[:] [1, 2, 3] Create ctypes object from explicit 8 bit unsigned int np.array : >>> exp_int_array = np.array([1, 2, 3], dtype=np.uint8) >>> c_int_array = np.ctypeslib.as_ctypes(e...
- Data type API
...be set to the values 0 and 1. enumerator NPY_BYTE enumerator NPY_INT8 The enumeration value for an 8-bit/1-byte signed integer. enumerator NPY_SHORT enumerator NPY_INT16 The enumeration value for a 16-bit/2-byte signed integ...
- Data type promotion in NumPy
...p.float32(6.0) In typical cases, this does not lead to surprises. However, if you work with non-default dtypes like unsigned integers and low-precision floats, or if you mix NumPy integers, NumPy floats, and Python scalars, some details o...
- Data types
...oating) False Numerical Data Types There are 5 basic numerical types representing booleans (bool), integers (int), unsigned integers (uint) floating point (float) and complex. A basic numerical type name combined with a numeric bitsize d...
- Discrete Fourier Transform (
numpy.fft) - How to write a NumPy how-to
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