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virtualmatrix.cpp
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virtualmatrix.cpp
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/*
*_________________________________________________________________________*
* POEMS: PARALLELIZABLE OPEN SOURCE EFFICIENT MULTIBODY SOFTWARE *
* DESCRIPTION: SEE READ-ME *
* FILE NAME: virtualmatrix.cpp *
* 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 *
*_________________________________________________________________________*/
#include "virtualmatrix.h"
#include "matrixfun.h"
#include <cstdlib>
using namespace std;
VirtualMatrix::VirtualMatrix(){
numrows = numcols = 0;
}
VirtualMatrix::~VirtualMatrix(){
}
int VirtualMatrix::GetNumRows() const {
return numrows;
}
int VirtualMatrix::GetNumCols() const {
return numcols;
}
double& VirtualMatrix::operator() (int i, int j){ // array access
return operator_2int(i,j);
}
double VirtualMatrix::Get(int i, int j) const{
return Get_2int(i,j);
}
void VirtualMatrix::Set(int i, int j, double value){
Set_2int(i,j,value);
}
double VirtualMatrix::BasicGet(int i, int j) const{
return BasicGet_2int(i,j);
}
void VirtualMatrix::BasicSet(int i, int j, double value){
BasicSet_2int(i,j,value);
}
void VirtualMatrix::BasicIncrement(int i, int j, double value){
BasicIncrement_2int(i,j,value);
}
double& VirtualMatrix::operator() (int i){
return operator_1int(i);
}
double VirtualMatrix::Get(int i) const{
return Get_1int(i);
}
void VirtualMatrix::Set(int i, double value){
Set_1int(i, value);
}
double VirtualMatrix::BasicGet(int i) const{
return BasicGet_1int(i);
}
void VirtualMatrix::BasicSet(int i, double value){
BasicSet_1int(i, value);
}
void VirtualMatrix::BasicIncrement(int i, double value){
BasicIncrement_1int(i, value);
}
double& VirtualMatrix::operator_1int (int i) {
cerr << "Error: single dimensional access is not defined for matrices of type " << GetType() << endl;
exit(0);
return *(new double);
}
double VirtualMatrix::Get_1int(int i) const {
cerr << "Error: single dimensional access is not defined for matrices of type " << GetType() << endl;
exit(0);
return 0.0;
}
void VirtualMatrix::Set_1int(int i, double value){
cerr << "Error: single dimensional access is not defined for matrices of type " << GetType() << endl;
exit(0);
}
double VirtualMatrix::BasicGet_1int(int i) const {
cerr << "Error: single dimensional access is not defined for matrices of type " << GetType() << endl;
exit(0);
return 0.0;
}
void VirtualMatrix::BasicSet_1int(int i, double value) {
cerr << "Error: single dimensional access is not defined for matrices of type " << GetType() << endl;
exit(0);
}
void VirtualMatrix::BasicIncrement_1int(int i, double value){
cerr << "Error: single dimensional access is not defined for matrices of type " << GetType() << endl;
exit(0);
}
void VirtualMatrix::Zeros(){
Const(0.0);
}
void VirtualMatrix::Ones(){
Const(1.0);
}
ostream& VirtualMatrix::WriteData(ostream& c) const {
cerr << "Error: no output definition for matrices of type " << GetType() << endl;
exit(0);
}
istream& VirtualMatrix::ReadData(istream& c){
cerr << "Error: no input definition for matrices of type " << GetType() << endl;
exit(0);
}
//
// operators and functions
//
ostream& operator<< (ostream& c, const VirtualMatrix& A){ //output
c << A.GetType() << ' ';
A.WriteData(c);
c << endl;
return c;
}
istream& operator>> (istream& c, VirtualMatrix& A){ //input
VirtualMatrix* vm;
int matrixtype;
c >> matrixtype;
if( MatrixType(matrixtype) == A.GetType() ) A.ReadData(c);
else{
// issue a warning?
cerr << "Warning: During matrix read expected type " << A.GetType() << " and got type " << matrixtype << endl;
vm = NewMatrix(matrixtype);
if(!vm){
cerr << "Error: unable to instantiate matrix of type " << matrixtype << endl;
exit(0);
}
vm->ReadData(c);
A.AssignVM(*vm);
delete vm;
}
return c;
}

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