1 /++
2 Derivatives of probability density functions
3 +/
4 /**
5 Authors: [Ilya Yaroshenko](http://9il.github.io)
6 
7 Copyright: © 2014-2015 [Ilya Yaroshenko](http://9il.github.io)
8 
9 License: MIT
10 */
11 module atmosphere.derivative;
12 
13 import atmosphere.utilities;
14 
15 /++
16 Derivative of probability density function interface
17 +/
18 interface Derivative(T)
19 {
20 	/**
21 	Call operator
22 	*/
23 	T opCall(T x);
24 }
25 
26 ///
27 alias toDerivative = convertTo!Derivative;