//===========================================================================//
// File:	unitvec.cc                                                          //
// Project: MUNGA           Brick: Math Library                              //
// Contents: Implementation details for unit vector class                    //
//---------------------------------------------------------------------------//
//   Date    Who  Modification                                               //
// --------  ---  ---------------------------------------------------------- //
// 11/19/94  JMA  Initial coding.                                            //
//---------------------------------------------------------------------------//
// Copyright (C) 1994-1995, Virtual World Entertainment, Inc.                //
// All Rights reserved worldwide                                             //
// This unpublished sourcecode is PROPRIETARY and CONFIDENTIAL               //
//===========================================================================//

#include <munga.hpp>
#pragma hdrstop

#if !defined(UNITVEC_HPP)
	#include <unitvec.hpp>
#endif

//
//#############################################################################
//#############################################################################
//
UnitVector&
	UnitVector::Lerp(
		const UnitVector&, // v1,
		const UnitVector&, // v2,
		Scalar // t
	)
{
	Check_Pointer(this);
	Tell("UnitVector::Lerp stubbed out!\n");
	return *this;
}

//
//#############################################################################
//#############################################################################
//
Logical
	UnitVector::TestInstance() const
{
	Scalar length = Vector3D::LengthSquared();
	Scalar diff = 1.0f - length;
	if (!Small_Enough(diff,2e-5))
	{
		length = x*x + y*y + z*z;
		diff = 1.0f - length;
		if (!Small_Enough(diff,2e-5))
		{
			Dump(*this);
			Dump(length);
			Dump(x*x + y*y + z*z);
			Dump(diff);
			return False;
		}
	}
	return True;
}

#if defined(TEST_CLASS)
#	include "unitvec.tcp"
#endif