| 72 |  | * @param x the value of the independent variable for the nth Chebyshev Polynomial  function | 
| 73 |  | */ | 
| 74 |  |  | 
| 75 | < | double evaluate(int n, double x) { | 
| 75 | > | RealType evaluate(int n, RealType x) { | 
| 76 |  | assert (n <= maxPower_ && n >=0); | 
| 77 |  | return polyList_[n].evaluate(x); | 
| 78 |  | } | 
| 83 |  | * @param n | 
| 84 |  | * @param x the value of the independent variable for the nth Chebyshev Polynomial  function | 
| 85 |  | */ | 
| 86 | < | double evaluateDerivative(int n, double x) { | 
| 86 | > | RealType evaluateDerivative(int n, RealType x) { | 
| 87 |  | assert (n <= maxPower_ && n >=0); | 
| 88 |  | return polyList_[n].evaluateDerivative(x); | 
| 89 |  | } |