haversin.h

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/*-
 * Copyright (c) 2014-2018 Carsten Sonne Larsen <cs@innolan.net>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    documentation and/or other materials provided with the distribution.
 *
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#ifndef AMATH_FUNCTION_HAVERSEDSINE_H
#define AMATH_FUNCTION_HAVERSEDSINE_H

#include "node.h"

/**
 * @brief A haversed sine function in a syntax tree. 
 * @details
 * More info on the haversed sine function is available at Wikipedia:
 * https://wikipedia.org/wiki/Haversine
 *
 */
class HaVersedSineNode : public FunctionNode
{
public:
    explicit HaVersedSineNode(ExpressionNode* expression, char* text, char* sys);
    static FunctionNode* Create(ExpressionNode* expression, char* text, char* sys);
    Number* Evaluate();
};

#endif