numpy.
asfarray
Return an array converted to a float type.
The input array.
Float type code to coerce input array a. If dtype is one of the ‘int’ dtypes, it is replaced with float64.
dtype
The input a as a float ndarray.
Examples
>>> np.asfarray([2, 3]) array([2., 3.]) >>> np.asfarray([2, 3], dtype='float') array([2., 3.]) >>> np.asfarray([2, 3], dtype='int8') array([2., 3.])