BaseLibraries/Matrix
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Fixed bugs found during unit testing

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This commit is contained in:
Matthew Ellison
2022-02-08 22:28:42 +00:00
parent f77b6afbb9
commit 367a8acdb2
1 changed files with 13 additions and 8 deletions
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19
src/main/java/com/mattrixwv/matrix/IntegerMatrix.java
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@@ -1,7 +1,7 @@
//Matrix/src/main/java/com/mattrixwv/IntegerMatrix.java
//Mattrixwv
// Created: 02-01-22
//Modified: 02-07-22
//Modified: 02-08-22
package com.mattrixwv.matrix;
@@ -167,8 +167,13 @@ public class IntegerMatrix{
return new IntegerMatrix(newRow);
}
public int getNumRows(){
if(grid == null){
return 0;
}
else{
return grid.length;
}
}
public IntegerMatrix getCol(int col){
//Make sure the column number is valid
if((col < 0) || (grid.length == 0) || (col > grid[0].length)){
@@ -693,7 +698,7 @@ public class IntegerMatrix{
int[][] newGrid = new int[getNumRows()][getNumCols()];
//If the grid is 1x1 return the grid
if(getNumRows() == 1){
newGrid[0][0] = grid[0][0];
newGrid[0][0] = 1;
}
//Use the formula to find the cofactor matrix
else{
@@ -738,7 +743,7 @@ public class IntegerMatrix{
IntegerMatrix rightMatrix = (IntegerMatrix)rightSide;
//Make sure they have the same number of elements
if(grid.length != rightMatrix.grid.length){
if(getNumRows() != rightMatrix.getNumRows()){
return false;
}
else if(getNumCols() != rightMatrix.getNumCols()){
@@ -746,8 +751,8 @@ public class IntegerMatrix{
}
//Check every element
for(int row = 0;row < grid.length;++row){
for(int col = 0;col < grid[0].length;++col){
for(int row = 0;row < getNumRows();++row){
for(int col = 0;col < getNumCols();++col){
if(grid[row][col] != rightMatrix.grid[row][col]){
return false;
}
@@ -773,10 +778,10 @@ public class IntegerMatrix{
@Override
public String toString(){
StringJoiner matrix = new StringJoiner("\n");
for(int rowCnt = 0;rowCnt < grid.length;++rowCnt){
for(int rowCnt = 0;rowCnt < getNumRows();++rowCnt){
StringJoiner row = new StringJoiner(",", "[", "]");
for(int colCnt = 0;colCnt < grid[0].length;++colCnt){
for(int colCnt = 0;colCnt < getNumCols();++colCnt){
row.add(Integer.toString(grid[rowCnt][colCnt]));
}