# std::lognormal_distribution<RealType>::m, s

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< cpp‎ | numeric‎ | random‎ | lognormal distribution

RealType m() const; | (1) | (since C++11)
RealType s() const; | (2) | (since C++11)

Returns the parameters the distribution was constructed with.

1) Returns the log-mean m distribution parameter. It defines the location of the peak. The default value is 0.0.
2) Returns the log-deviation s distribution parameter. The default value is 1.0.

### Parameters

(none)

### Return value

1) The log-mean m distribution parameter.
2) The log-deviation s distribution parameter.

### See also

param (C++11) | gets or sets the distribution parameter object (public member function)

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