lammps/lib/poems/vect3.h

85 lines
3.4 KiB
C++

/*
*_________________________________________________________________________*
* POEMS: PARALLELIZABLE OPEN SOURCE EFFICIENT MULTIBODY SOFTWARE *
* DESCRIPTION: SEE READ-ME *
* FILE NAME: vect3.h *
* AUTHORS: See Author List *
* GRANTS: See Grants List *
* COPYRIGHT: (C) 2005 by Authors as listed in Author's List *
* LICENSE: Please see License Agreement *
* DOWNLOAD: Free at www.rpi.edu/~anderk5 *
* ADMINISTRATOR: Prof. Kurt Anderson *
* Computational Dynamics Lab *
* Rensselaer Polytechnic Institute *
* 110 8th St. Troy NY 12180 *
* CONTACT: anderk5@rpi.edu *
*_________________________________________________________________________*/
#ifndef VECT3_H
#define VECT3_H
#include "virtualcolmatrix.h"
class Matrix;
class Mat3x3;
class Mat6x6;
class Vect6;
class ColMatrix;
class Vect3 : public VirtualColMatrix {
double elements[3];
public:
Vect3();
~Vect3();
Vect3(const Vect3& A); // copy constructor
Vect3(const VirtualMatrix& A); // copy constructor
double& operator_1int(int i); // array access
double Get_1int(int i) const;
void Set_1int(int i, double value);
double BasicGet_1int(int i) const;
void BasicSet_1int(int i, double value);
void BasicIncrement_1int(int i, double value);
void Const(double value);
MatrixType GetType() const;
std::ostream& WriteData(std::ostream& c) const;
std::istream& ReadData(std::istream& c);
void AssignVM(const VirtualMatrix& A);
Vect3& operator=(const Vect3& A); // assignment operator
Vect3& operator=(const VirtualMatrix& A); // overloaded =
Vect3& operator*=(double b);
Vect3& operator+=(const Vect3& A);
Vect3& operator-=(const Vect3& A);
friend Matrix T(const Vect3& A); // a wasteful transpose
friend Mat3x3 CrossMat(Vect3& a); // a wasteful cross matrix implementation
friend void Set6DAngularVector(Vect6& v6, Vect3& v3);
friend void Set6DLinearVector(Vect6& v6, Vect3& v3);
// fast matrix functions
friend void FastAssign(Vect3& a, Vect3& c);
friend void FastSimpleRotation(Vect3& v, double q, Mat3x3& d);
friend void FastCross(Vect3& a, Vect3& b, Vect3& c); // cross product axb = c
friend void FastTripleSum(Vect3& a, Vect3& b, Vect3& c, Vect3& d);
friend void FastTripleSumPPM(Vect3& a, Vect3& b, Vect3& c, Vect3& d);
friend void FastMult(Mat3x3& A, Vect3& B, Vect3& C);
friend void FastTMult(Mat3x3& A, Vect3& B, Vect3& C);
friend void FastNegMult(Mat3x3& A, Vect3& B, Vect3& C);
friend void FastNegTMult(Mat3x3& A, Vect3& B, Vect3& C);
friend void FastMult(double a, Vect3& B, Vect3& C);
friend void FastAdd(Vect3& A, Vect3& B, Vect3& C);
friend void FastSubt(Vect3& A, Vect3& B, Vect3& C);
friend void OnPopulateSVect(Vect3& angular, Vect3& linear, Vect6& sV);
friend void OnPopulateSC(Vect3& gamma, Mat3x3& C, Mat6x6& SC);
friend void FastMult(Mat3x3& A, ColMatrix& B, Vect3& C);
friend void FastAssign(ColMatrix&A, Vect3& C);
friend void FastMult(Mat3x3& A, Vect3& B, ColMatrix& C);
};
#endif