# std::cauchy_distribution::a, b

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< cpp‎ | numeric‎ | random‎ | cauchy distribution

RealType a() const; | (1) | (since C++11)
RealType b() const; | (2) | (since C++11)

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.

### Parameters

(none)

### Return value

1) The value of the a parameter.
2) The value of the b parameter.

### See also

param | gets or sets the distribution parameter object (public member function)

### External links

- Scale parameter. From Wikipedia.
- Location parameter. From Wikipedia.

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