/////////////////////////////////////////////////////////////////////////////////////////////////////
//
//	FileName:	FracOrth.h
//	Author	:	Michael Y. Polyakov
//	email	:	myp@andrew.cmu.edu	or  mikepolyakov@hotmail.com
//	Website	:	www.angelfire.com/linux/myp
//	Date	:	7/30/2002	
//
//	class FracOrth: converts between fractional and orthonormal coordinates. This is very small and basic
//		class. For a full Crystallographic C++ library written by Vincent Favre-Nicolin see this link:
//				http://objcryst.sourceforge.net/
//////////////////////////////////////////////////////////////////////////////////////////////////////


#ifndef FRACORTH_H_
#define FRACORTH_H_

class FracOrth
{
public:
	FracOrth(float a, float b, float c);
	FracOrth(float a, float b, float c, float alpha, float beta, float gamma);
	
	//mutators
	void SetDim(float a, float b, float c);
	void SetAngles(float alpha, float beta, float gamma);

	//accessors
	void FracToOrth(float &x, float &y, float &z);
	void OrthToFrac(float &x, float &y, float &z);

	void GetDim(float &a, float &b, float &c);
	void GetAngles(float &alpha, float &beta, float &gamma);
	float GetVolume();
	float* GetFracToOrthM();
	float* GetOrthToFracM();

private:
	float dim[3], ang[3];
	float M[3][3], Min[3][3];
	float V;

	void Init(float a, float b, float c, float alpha, float beta, float gamma);
};


#endif