StL Data File Viewer

//############################################################################

//  Author:	Sharjith Nair
//  Email:	sharjith_ssn@hotmail.com

// Program:	OpenGL, C++ MFC StereoLithography Data File Viewer Application

//							Important Notice:

//	This Idea and the Application is Copyright(c) Sharjith Nair 2002, 2003.
//	You can freely use it as long as you credit me for it.

//	No guarantee/warranty is given on this app and I will not be responsible 
//	for any damage to you, your property or any other person from using it.
//	USE IT ON YOUR OWN RISK.

//	Thankyou
//	Sharjith Nair.

//#############################################################################

#ifndef __MMATH_H__
#define __MMATH_H__

#include <math.h>

//Some Useful Math Routines and definitions
//Some Are Directly From Graphics Gems

#ifndef PI
#define PI (double)3.1415926535897932384626433832795
#endif

#ifndef INFINITY
#define INFINITY (double)100000
#endif

#define MAX(X, Y)\
		(X) > (Y) ? (X) : (Y)

#define vsin(x) ((1.0) - (double)(cos(x))) //versine theta (1 - cos theta)

double round(const double& );

typedef struct Matrix4Struct /* 4-by-4 matrix */
{	
	double element[4][4];
}Matrix4;

void inverse( Matrix4* in, Matrix4* out );
void adjoint(Matrix4 *in, Matrix4 *out);
double det2x2( double a, double b, double c, double d);
double det3x3( double a1, double a2, double a3, double b1, double b2, double b3, double c1, double c2, double c3 );
double det4x4( Matrix4 *m );

#endif