elemwise.py 文件源码

def __init__(self, scalar_op, inplace_pattern=None, name=None,
                 nfunc_spec=None, openmp=None):
        if inplace_pattern is None:
            inplace_pattern = {}
        self.name = name
        self.scalar_op = scalar_op
        self.inplace_pattern = inplace_pattern
        self.destroy_map = dict((o, [i]) for o, i in inplace_pattern.items())

        self.ufunc = None
        self.nfunc = None
        if nfunc_spec is None:
            nfunc_spec = getattr(scalar_op, 'nfunc_spec', None)
        self.nfunc_spec = nfunc_spec
        if nfunc_spec:
            self.nfunc = getattr(numpy, nfunc_spec[0])

        # precompute the hash of this node
        self._rehash()
        super(Elemwise, self).__init__(openmp=openmp)