test_io.py 文件源码

def test1(self):
        path = Variable(Generic())
        # 'c' means "copy-on-write", which allow the array to be overwritten
        # by an inplace Op in the graph, without modifying the underlying
        # file.
        x = tensor.load(path, 'int32', (False,), 'c')
        # x ** 2 has been chosen because it will work inplace.
        y = (x ** 2).sum()
        fn = function([path], y)
        # Call fn() twice, to check that inplace ops do not cause trouble
        assert (fn(self.filename) == (self.data ** 2).sum()).all()
        assert (fn(self.filename) == (self.data ** 2).sum()).all()