test_linear.py 文件源码

def setUp(self):
        in_size = numpy.prod(self.in_shape)
        self.link = links.Linear(in_size, self.out_size)
        W = self.link.W.data
        W[...] = numpy.random.uniform(-1, 1, W.shape)
        b = self.link.b.data
        b[...] = numpy.random.uniform(-1, 1, b.shape)
        self.link.zerograds()

        self.W = W.copy()  # fixed on CPU
        self.b = b.copy()  # fixed on CPU

        x_shape = (4,) + self.in_shape
        self.x = numpy.random.uniform(-1, 1, x_shape).astype(numpy.float32)
        self.gy = numpy.random.uniform(
            -1, 1, (4, self.out_size)).astype(numpy.float32)
        self.y = self.x.reshape(4, -1).dot(W.T) + b