assertEquals(expected, result, 0.0);
}
@Test
public void testgetDerivativewthProperties() {
Properties properties = new Properties();
//properties.setProperty("transferFunction.slope", .5d);
properties.setProperty("transferFunction.yHigh", .9d);
properties.setProperty("transferFunction.yLow", .3d);
properties.setProperty("transferFunction.xHigh", .8d);
properties.setProperty("transferFunction.xLow", .6d);
Ramp instance = new Ramp(properties);
double result = instance.getDerivative(input);
assertEquals(expected_derivative, result, 0.0);
}