| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 4 of 77 | 94% | 0 of 4 | 100% | 1 | 6 | 2 | 15 | 1 | 4 |
| setGradientListener(GradientFunctionEvaluatorListener) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| differentiateAt(double) | | 100% | | 100% | 0 | 3 | 0 | 8 | 0 | 1 |
| DirectionalDerivativeEvaluator(MultiDimensionFunctionEvaluatorListener, GradientFunctionEvaluatorListener, double[], double[]) | | 100% | n/a | 0 | 1 | 0 | 4 | 0 | 1 | |
| getGradientListener() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |