RealType a() const;
RealType b() const;
Returns the distribution parameters with which the distribution was constructed.
1) Returns the a parameter. It specifies the location of the peak and is also called location parameter. The default value is 0.0.
2) Returns the b parameter. It represents the half-width at half-maximum (HWHM) and is also called scale parameter. The default value is 1.0.
 Return value
1) The value of the a parameter.
2) The value of the b parameter.
 See also
| gets or sets the distribution parameter object
(public member function)