BaseNormal.h

/* BaseNormal.h */
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//                         This file is part of:
//
//                               distrand
//
//                         Which is a module for
//                         use with Godot Engine
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// distrand
//
// Copyright © 2017 M T Harry Ayres
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy 
// of this software and associated documentation files (the "Software"), to deal 
// in the Software without restriction, including without limitation the rights 
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
// copies of the Software, and to permit persons to whom the Software is 
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in 
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 
// IN THE SOFTWARE.
//
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// GNU Terry Pratchett
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

#ifndef BASENORMAL_H
#define BASENORMAL_H

#ifdef __ANDROID__
#include <stdlib.h>
#else
#include <cstdlib>
#endif
#include <core/reference.h>
#include <core/math/math_funcs.h> // Godot mathematical functions, including randf.

template <typename T, class C>
class BaseNormal : public Reference {
	GDCLASS(BaseNormal,Reference);

protected:
	int bookmark;
	T mu, sigma;
	C contents;
	
	float dr_boxmuller(const T mu, const T sigma);

public:
	void generate(int);
	
	void setparameters(T mean, T deviation);

	T getvalue(int);
	T getnext();
	T getsingle();

	BaseNormal();
};

#endif