#ifndef _ALLENCURVE_H_
#define _ALLENCURVE_H_
/**
	@file AllenCurve.h
	@brief Header file for Allen limb darkening function class

	@datecreated September 20, 2006

	@version 1.0

	@author
		- Lance Deaver

	@copyright
		(©) Copyright 2006 by GATS Inc.
		11864 Canon Blvd., Suite 101, Newport News, VA 23606

		All Rights Reserved. No part of this software or publication may be
		reproduced, stored in a retrieval system, or transmitted, in any form
		or by any means, electronic, mechanical, photocopying, recording, or
		otherwise without the prior written permission of GATS Inc.

	@see		AllenCurve
	@bug		None known

*/

class AllenCurve
{
public:
/**
 * @brief The one and only constructor.
 */
	AllenCurve();
/**
 * @brief  The destructor.
 */
	virtual ~AllenCurve();
/**
 *  @brief Provides the Normalized intensity of the Sun.
 */
	double getSolarIntensity(const double angle, 
		const double wavelength, const double distance=150.e6 );
};

#endif //_ALLENCURVE_H_