ResInsight/Fwk/VizFwk/LibCore/cvfMatrix3.h

110 lines
3.8 KiB
C++

//##################################################################################################
//
// Custom Visualization Core library
// Copyright (C) 2011-2013 Ceetron AS
//
// This library may be used under the terms of either the GNU General Public License or
// the GNU Lesser General Public License as follows:
//
// GNU General Public License Usage
// This library is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>>
// for more details.
//
// GNU Lesser General Public License Usage
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
// for more details.
//
//##################################################################################################
#pragma once
#include "cvfSystem.h"
#include "cvfVector3.h"
namespace cvf {
//==================================================================================================
//
// Template matrix class for 3x3 matrices
//
//==================================================================================================
template<typename S>
class Matrix3
{
public:
Matrix3();
Matrix3(const Matrix3& other);
Matrix3(S m00, S m01, S m02, S m10, S m11, S m12, S m20, S m21, S m22);
template<typename T>
explicit Matrix3(const Matrix3<T>& other);
inline Matrix3& operator=(const Matrix3& rhs);
bool equals(const Matrix3& mat) const;
bool operator==(const Matrix3& rhs) const;
bool operator!=(const Matrix3& rhs) const;
void multiply(const Matrix3& mat);
const Matrix3 operator*(const Matrix3& rhs) const;
void setIdentity();
bool isIdentity() const;
void setZero();
bool isZero() const;
inline void setRowCol(int row, int col, S value);
inline S rowCol(int row, int col) const;
inline S& operator()(int row, int col);
inline S operator()(int row, int col) const;
bool invert();
const Matrix3 getInverted(bool* pInvertible = NULL) const;
S determinant() const;
void transpose();
inline const S* ptr() const;
static Matrix3 fromRotation(Vector3<S> axis, S angle);
public:
static const Matrix3 IDENTITY; ///< Identity matrix
static const Matrix3 ZERO; ///< Matrix with all zeros
private:
// Constants for accessing our internal array using standard matrix notation
static const int e00 = 0; static const int e01 = 3; static const int e02 = 6;
static const int e10 = 1; static const int e11 = 4; static const int e12 = 7;
static const int e20 = 2; static const int e21 = 5; static const int e22 = 8;
private:
S m_v[9];
};
typedef Matrix3<float> Mat3f;
typedef Matrix3<double> Mat3d;
}
#include "cvfMatrix3.inl"