Numpy Cannot cast ufunc multiply output from dtype

Question

I\'d like to multiply an int16 array but a float array, with auto rounding, but this fails :

import numpy

A = numpy.array([1, 2, 3         


        

Answer 1

2 ways to solve this:

You can solve this by replacing

A *= B

with

A = (A * B)

or with

numpy.multiply(A, B, out=A, casting='unsafe')