INNER CODE UNIT · Python

sparse_add

HIPS/autograd · autograd/core.py:213

def sparse_add(vs, x_prev, x_new):
    x_prev = x_prev if x_prev is not None else vs.zeros()
    return x_new.mut_add(x_prev)


class VSpace:
    __slots__ = []
    mappings: ClassVar[dict] = {}
    iscomplex = False

    def __init__(self, value):
        pass

    def zeros(self):
        assert False, repr(self)

    def ones(self):
        assert False, repr(self)

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