Page Menu
Home
c4science
Search
Configure Global Search
Log In
Files
F102273195
colmatrix.cpp
No One
Temporary
Actions
Download File
Edit File
Delete File
View Transforms
Subscribe
Mute Notifications
Award Token
Subscribers
None
File Metadata
Details
File Info
Storage
Attached
Created
Tue, Feb 18, 23:54
Size
4 KB
Mime Type
text/x-c
Expires
Thu, Feb 20, 23:54 (2 d)
Engine
blob
Format
Raw Data
Handle
24027678
Attached To
rLAMMPS lammps
colmatrix.cpp
View Options
/*
*_________________________________________________________________________*
* POEMS: PARALLELIZABLE OPEN SOURCE EFFICIENT MULTIBODY SOFTWARE *
* DESCRIPTION: SEE READ-ME *
* FILE NAME: colmatrix.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 "colmatrix.h"
#include "rowmatrix.h"
#include <iostream>
#include <cmath>
#include <cstdlib>
using namespace std;
ColMatrix::ColMatrix(){
numrows = 0;
elements = 0;
}
ColMatrix::~ColMatrix(){
delete [] elements;
}
ColMatrix::ColMatrix(const ColMatrix& A){ // copy constructor
numrows = 0;
elements = 0;
Dim(A.numrows);
for(int i=0;i<numrows;i++)
elements[i] = A.elements[i];
}
ColMatrix::ColMatrix(const VirtualColMatrix& A){ // copy constructor
numrows = 0;
elements = 0;
Dim(A.GetNumRows());
for(int i=0;i<numrows;i++)
elements[i] = A.BasicGet(i);
}
ColMatrix::ColMatrix(const VirtualMatrix& A){ // copy constructor
if( A.GetNumCols() != 1 ){
cerr << "error trying to write a 2D matrix to a collumn" << endl;
exit(1);
}
numrows = 0;
elements = 0;
Dim(A.GetNumRows());
for(int i=0;i<numrows;i++)
elements[i] = A.BasicGet(i,0);
}
ColMatrix::ColMatrix(int m){ // size constructor
numrows = 0;
elements = 0;
Dim(m);
}
void ColMatrix::Dim(int m){
delete [] elements;
numrows = m;
elements = new double [m];
}
void ColMatrix::Const(double value){
for(int i=0;i<numrows;i++)
elements[i] = value;
}
MatrixType ColMatrix::GetType() const{
return COLMATRIX;
}
istream& ColMatrix::ReadData(istream& c){
int n;
c >> n;
Dim(n);
for(int i=0;i<n;i++)
c >> elements[i];
return c;
}
ostream& ColMatrix::WriteData(ostream& c) const{ //output
c << numrows << ' ';
for(int i=0;i<numrows;i++)
c << elements[i] << ' ';
return c;
}
double& ColMatrix::operator_1int (int i){ // array access
if((i>numrows) || (i<1)){
cerr << "matrix index invalid in operator ()" << endl;
exit(1);
}
return elements[i-1];
}
double ColMatrix::Get_1int(int i) const{
if((i>numrows) || (i<1)){
cerr << "matrix index exceeded in Get" << endl;
exit(1);
}
return elements[i-1];
}
void ColMatrix::Set_1int(int i, double value){
if((i>numrows) || (i<1)){
cerr << "matrix index exceeded in Set" << endl;
exit(1);
}
elements[i-1] = value;
}
double ColMatrix::BasicGet_1int(int i) const{
return elements[i];
}
double* ColMatrix::GetElementPointer(int i){
return &(elements[i]);
}
void ColMatrix::BasicSet_1int(int i, double value){
elements[i] = value;
}
void ColMatrix::BasicIncrement_1int(int i, double value){
elements[i] += value;
}
void ColMatrix::AssignVM(const VirtualMatrix& A){
if( A.GetNumCols() != 1 ){
cerr << "error trying to write a 2D matrix to a collumn" << endl;
exit(1);
}
Dim( A.GetNumRows() );
for(int i=0;i<numrows;i++)
elements[i] = A.BasicGet(i,0);
}
ColMatrix& ColMatrix::operator=(const ColMatrix& A){ // assignment operator
Dim(A.numrows);
for(int i=0;i<numrows;i++)
elements[i] = A.elements[i];
return *this;
}
ColMatrix& ColMatrix::operator=(const VirtualColMatrix& A){ // overloaded =
Dim( A.GetNumRows() );
for(int i=0;i<numrows;i++)
elements[i] = A.BasicGet(i);
return *this;
}
ColMatrix& ColMatrix::operator=(const VirtualMatrix& A){ // overloaded =
if( A.GetNumCols() != 1 ){
cerr << "error trying to write a 2D matrix to a collumn" << endl;
exit(1);
}
Dim( A.GetNumRows() );
for(int i=0;i<numrows;i++)
elements[i] = A.BasicGet(i,0);
return *this;
}
ColMatrix& ColMatrix::operator*=(double b){
for(int i=0;i<numrows;i++)
elements[i] *= b;
return *this;
}
void ColMatrix::Abs(){
for(int i=0;i<numrows;i++)
elements[i] = std::abs(elements[i]);
}
void ColMatrix::BasicMax(double& value, int& index){
value = elements[0];
index = 0;
for(int i=1;i<numrows;i++)
if(elements[i] > value){
value = elements[i];
index = i;
}
}
void ColMatrix::BasicMin(double& value, int& index){
value = elements[0];
index = 0;
for(int i=1;i<numrows;i++)
if(elements[i] < value){
value = elements[i];
index = i;
}
}
Event Timeline
Log In to Comment