def testNegativeToPositive(self):
    for self.force_gpu in self._gpu_modes():
      self.assertArrayNear(self._LinSpace(-1., 5., 1), np.array([-1.]), 1e-5)
      self.assertArrayNear(
          self._LinSpace(-1., 5., 2), np.array([-1., 5.]), 1e-5)