code: def forward_expected(self, inputs):
      (x,) = inputs
      expected = numpy.ceil(x)
      expected = numpy.asarray(expected)
      return (expected,)
  
file_path: chainer/tests/chainer_tests/functions_tests/math_tests/test_ceil.py
imports: import numpy
  from chainer import functions
  from chainer import testing
label_desc: Use image node_id 3 for calling the TestCeil obj's underlying member method code with example usage: obj.forward_expected(inputs) and returns: expected