Gervill/ModelStandardTransform/TransformConcave.java

25    @summary Test ModelStandardTransform transform method
33     private static boolean checkLinearity(ModelStandardTransform transform)
40                 transform.setPolarity(ModelStandardTransform.POLARITY_UNIPOLAR);
42                 transform.setPolarity(ModelStandardTransform.POLARITY_BIPOLAR);
44                 transform.setDirection(ModelStandardTransform.DIRECTION_MIN2MAX);
46                 transform.setDirection(ModelStandardTransform.DIRECTION_MAX2MIN);
47             double x = transform.transform(i);
66         ModelStandardTransform transform = new ModelStandardTransform();
67         transform.setTransform(ModelStandardTransform.TRANSFORM_CONCAVE);
68         assertTrue(checkLinearity(transform));
70         transform.setDirection(ModelStandardTransform.DIRECTION_MIN2MAX);
71         transform.setPolarity(ModelStandardTransform.POLARITY_UNIPOLAR);
72         assertTrue(Math.abs(transform.transform(0.0f) - 0.0f) < 0.0001f);
73         assertTrue(transform.transform(0.5f) < 0.5f);
74         assertTrue(Math.abs(transform.transform(1.0f) - 1.0f) < 0.0001f);
76         transform.setDirection(ModelStandardTransform.DIRECTION_MAX2MIN);
77         transform.setPolarity(ModelStandardTransform.POLARITY_UNIPOLAR);
78         assertTrue(Math.abs(transform.transform(1.0f) - 0.0f) < 0.0001f);
79         assertTrue(transform.transform(0.5f) < 0.5f);
80         assertTrue(Math.abs(transform.transform(0.0f) - 1.0f) < 0.0001f);
82         transform.setDirection(ModelStandardTransform.DIRECTION_MIN2MAX);
83         transform.setPolarity(ModelStandardTransform.POLARITY_BIPOLAR);
84         assertTrue(Math.abs(transform.transform(0.0f) + 1.0f) < 0.0001f);
85         assertTrue(transform.transform(0.25f) > -0.5f);
86         assertTrue(Math.abs(transform.transform(0.5f) - 0.0f) < 0.0001f);
87         assertTrue(transform.transform(0.75f) < 0.5f);
88         assertTrue(Math.abs(transform.transform(1.0f) - 1.0f) < 0.0001f);
90         transform.setDirection(ModelStandardTransform.DIRECTION_MAX2MIN);
91         transform.setPolarity(ModelStandardTransform.POLARITY_BIPOLAR);
92         assertTrue(Math.abs(transform.transform(1.0f) + 1.0f) < 0.0001f);
93         assertTrue(transform.transform(0.75f) > -0.5f);
94         assertTrue(Math.abs(transform.transform(0.50f) - 0.0f) < 0.0001f);
95         assertTrue(transform.transform(0.25f) < 0.5f);
96         assertTrue(Math.abs(transform.transform(0.0f) - 1.0f) < 0.0001f);