forked from lijiext/lammps
136 lines
3.5 KiB
C++
136 lines
3.5 KiB
C++
/*
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*_________________________________________________________________________*
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* POEMS: PARALLELIZABLE OPEN SOURCE EFFICIENT MULTIBODY SOFTWARE *
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* DESCRIPTION: SEE READ-ME *
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* FILE NAME: vect4.cpp *
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* AUTHORS: See Author List *
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* GRANTS: See Grants List *
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* COPYRIGHT: (C) 2005 by Authors as listed in Author's List *
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* LICENSE: Please see License Agreement *
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* DOWNLOAD: Free at www.rpi.edu/~anderk5 *
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* ADMINISTRATOR: Prof. Kurt Anderson *
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* Computational Dynamics Lab *
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* Rensselaer Polytechnic Institute *
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* 110 8th St. Troy NY 12180 *
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* CONTACT: anderk5@rpi.edu *
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*_________________________________________________________________________*/
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#include "vect4.h"
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using namespace std;
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Vect4::Vect4(){
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numrows = 4; numcols = 1;
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}
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Vect4::~Vect4(){
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}
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Vect4::Vect4(const Vect4& A){ // copy constructor
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numrows = 4; numcols = 1;
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elements[0] = A.elements[0];
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elements[1] = A.elements[1];
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elements[2] = A.elements[2];
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elements[3] = A.elements[3];
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}
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Vect4::Vect4(const VirtualMatrix& A){ // copy constructor
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numrows = 4; numcols = 1;
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// error check
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if( (A.GetNumRows() != 4) || (A.GetNumCols() != 1) ){
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cerr << "illegal matrix size" << endl;
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exit(0);
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}
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for(int i=0;i<4;i++)
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elements[i] = A.BasicGet(i,0);
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}
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double& Vect4::operator_1int (int i){ // array access
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return elements[i-1];
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}
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double Vect4::Get_1int(int i) const{
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return elements[i-1];
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}
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void Vect4::Set_1int(int i, double value){
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elements[i-1] = value;
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}
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double Vect4::BasicGet_1int(int i) const{
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return elements[i];
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}
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void Vect4::BasicSet_1int(int i, double value){
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elements[i] = value;
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}
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void Vect4::BasicIncrement_1int(int i, double value){
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elements[i] += value;
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}
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void Vect4::Const(double value){
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elements[0] = value;
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elements[1] = value;
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elements[2] = value;
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elements[3] = value;
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}
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MatrixType Vect4::GetType() const{
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return VECT4;
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}
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istream& Vect4::ReadData(istream& c){ //input
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for(int i=0;i<4;i++)
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c >> elements[i];
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return c;
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}
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ostream& Vect4::WriteData(ostream& c) const{ //output
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for(int i=0;i<4;i++)
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c << elements[i] << ' ';
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return c;
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}
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void Vect4::AssignVM(const VirtualMatrix& A){
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// error check
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if( (A.GetNumRows() != 4) || (A.GetNumCols() != 1) ){
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cerr << "illegal matrix size" << endl;
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exit(0);
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}
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for(int i=0;i<numrows;i++)
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elements[i] = A.BasicGet(i,0);
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}
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Vect4& Vect4::operator=(const Vect4& A){ // assignment operator
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elements[0] = A.elements[0];
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elements[1] = A.elements[1];
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elements[2] = A.elements[2];
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elements[3] = A.elements[3];
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return *this;
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}
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Vect4& Vect4::operator=(const VirtualMatrix& A){ // overloaded =
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// error check
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if( (A.GetNumRows() != 4) || (A.GetNumCols() != 1) ){
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cerr << "illegal matrix size" << endl;
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exit(0);
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}
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for(int i=0;i<numrows;i++)
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elements[i] = A.BasicGet(i,0);
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return *this;
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}
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Vect4& Vect4::operator*=(double b){
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elements[0] *= b;
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elements[1] *= b;
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elements[2] *= b;
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elements[3] *= b;
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return *this;
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}
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