test_hard_sigmoid.py 文件源码

def check_forward(self, x_data):
        x = chainer.Variable(x_data)
        y = functions.hard_sigmoid(x)
        self.assertIs(y.data.dtype, x_data.dtype)
        expect = numpy.minimum(1.0, numpy.maximum(0.0, self.x * 0.2 + 0.5))
        gradient_check.assert_allclose(
            y.data, expect, **self.check_forward_option)