def test_viper_log_to_linear(self): """ Tests :func:`colour.models.log.viper_log_to_linear` definition. """ self.assertAlmostEqual( viper_log_to_linear(0.022482893450635387), 0.01, places=7) self.assertAlmostEqual( viper_log_to_linear(0.63600806701041346), 0.18, places=7) self.assertAlmostEqual( viper_log_to_linear(1), 1, places=7)