b37fdf43bd950c4872d8ea39975d98a1b5d75866,kymatio/scattering2d/backend/backend_torch.py,,cdgmm,#,161

Before Change

            output tensor of size (B, C, M, N, 2) such that:
            C[b, c, m, n, :] = A[b, c, m, n, :] * B[m, n, :]
    
    A, B = A.contiguous(), B.contiguous()
    if A.size()[-3:] != B.size():
        raise RuntimeError("The filters are not compatible for multiplication!")

    if not iscomplex(A) or not iscomplex(B):

After Change

    if isreal(B):
        if inplace:
            return A.mul_(B)
        else:
            return A * B
    else:
        C = A.new(A.size())

Instances