code: def generate_inputs(self):
      x = numpy.random.uniform(-1, 1, self.shape).astype(self.dtype)
      x[(-0.05 < x) & (x < 0.05)] = 0.5
      W = numpy.random.uniform(
          -1, 1, self.shape[1 : 1 + self.Wdim]
      ).astype(self.dtype)
      return x, W
  
file_path: chainer/tests/chainer_tests/functions_tests/activation_tests/test_prelu.py
imports: import numpy
  import chainer
  from chainer import functions
  from chainer import testing
label_desc: Use image node_id 2 for calling the TestPReLU obj's underlying member method code with example usage: obj.generate_inputs() and returns: x,  W