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need to valgrind

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This commit is contained in:
tbarnes98
2022-03-28 21:32:22 -05:00
parent 77ab0a6a6e
commit 9b8dd8c6c6
2 changed files with 49 additions and 13 deletions
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22
Lab3/main.cpp
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@@ -14,7 +14,27 @@ using namespace std;
int main() int main()
{ {
Matrix m1(2,2); int rows, cols;
cout << "Enter the number of rows in the test matrix: " << endl;
cin >> rows;
cout << "Enter the number of columns in the test matrix: " << endl;
cin >> cols;
Matrix m1(rows,cols);
// add more tests // add more tests
for(int i = 0; i < rows; i++){
for(int j = 0; j < cols; j++){
m1[i][j] = 4.268394 + (i+7)*(j+7);
}
m1[0][0] = 4.20;
m1[0][1] = 6.9;
m1[0][2] = 1.337;
m1[0][3] = 12.18;
}
cout << m1 << endl;
m1*5;
cout << m1 << endl;
m1.clear();
cout << m1;
return 0; return 0;
} }

38
Lab3/matrix.cpp
View File

@@ -25,7 +25,7 @@ Matrix::Matrix(unsigned int rows, unsigned int cols){
this->cols = cols; this->cols = cols;
// Create the row pointer // Create the row pointer
this->the_matrix = new Row*[rows]; this->the_matrix = new Row*[rows];
for(int i = 0; i < rows; i++){ for(int i = 0; i < rows+1; i++){
// Assign the rows of the matrix to new memory // Assign the rows of the matrix to new memory
this->the_matrix[i] = new Row(cols); this->the_matrix[i] = new Row(cols);
} }
@@ -39,7 +39,7 @@ Matrix::Matrix(const Matrix& from){
this->cols = from.cols; this->cols = from.cols;
// Create the row pointer with new row amount // Create the row pointer with new row amount
this->the_matrix = new Row*[rows]; this->the_matrix = new Row*[rows];
for(int i = 0; i < this->rows; i++){ for(int i = 0; i < rows+1; i++){
// Set the pointer to each copied row // Set the pointer to each copied row
the_matrix[i] = new Row(from[i]); the_matrix[i] = new Row(from[i]);
} }
@@ -48,7 +48,7 @@ Matrix::Matrix(const Matrix& from){
// Destructor // Destructor
Matrix::~Matrix(){ Matrix::~Matrix(){
// Explicitly calls the destructor for each row in the matrix // Explicitly calls the destructor for each row in the matrix
for(int i = 0; i < rows; i++) { for(int i = 0; i < rows+1; i++) {
the_matrix[i]->~Row(); the_matrix[i]->~Row();
} }
// Deletes the matrix itself // Deletes the matrix itself
@@ -95,12 +95,11 @@ Matrix Matrix::operator*(const Matrix& rhs) const{
return result; return result;
} }
// Scalar multiplication - TODO // Scalar multiplication
Matrix Matrix::operator*(const double scale) const{ Matrix Matrix::operator*(const double scale) const{
for(int i = 0; i < rows; i++){ for(int i = 0; i < rows; i++){
for(int j = 0; j < cols; j++){ for(int j = 0; j < cols; j++){
double temp = (*the_matrix[i])[j]*scale; (*the_matrix[i])[j] = (*the_matrix[i])[j]*scale;
(*the_matrix[i])[j] = temp;
} }
} }
Matrix result(this->rows, this->cols); Matrix result(this->rows, this->cols);
@@ -117,7 +116,7 @@ Matrix Matrix::operator~() const{
// Clear Matrix // Clear Matrix
void Matrix::clear(){ void Matrix::clear(){
for(int i = 0; i < rows ; i++) { for(int i = 0; i < rows+1; i++) {
the_matrix[i]->clear(); the_matrix[i]->clear();
} }
} }
@@ -125,7 +124,7 @@ void Matrix::clear(){
// Access Operators - non-const // Access Operators - non-const
Row& Matrix::operator[](unsigned int row){ Row& Matrix::operator[](unsigned int row){
// Ensure the row is in range // Ensure the row is in range
if(row >= rows){ if(row > rows){
throw(out_of_range("Row is out of range")); throw(out_of_range("Row is out of range"));
} }
return *(the_matrix[row]); return *(the_matrix[row]);
@@ -134,7 +133,7 @@ Row& Matrix::operator[](unsigned int row){
// Access Operators - const // Access Operators - const
const Row& Matrix::operator[](unsigned int row) const{ const Row& Matrix::operator[](unsigned int row) const{
// Ensure the row is in range // Ensure the row is in range
if(row >= rows){ if(row > rows){
throw(out_of_range("Row is out of range")); throw(out_of_range("Row is out of range"));
} }
return *(the_matrix[row]); return *(the_matrix[row]);
@@ -143,11 +142,28 @@ const Row& Matrix::operator[](unsigned int row) const{
// print to output stream - TODO // print to output stream - TODO
void Matrix::out(std::ostream& os) const{ void Matrix::out(std::ostream& os) const{
os << setprecision(4); os << setprecision(4);
os << setw(10); os << "[";
for(int i = 0; i < rows; i++) {
if(i != 0){
cout << " ";
}
os << "[ ";
for(int j = 0; j < cols; j++) {
os << (*the_matrix[i])[j];
if(j != cols-1){
os << ", ";
}
}
os << " ]";
if(i != rows-1){
os << endl;
}
}
os << "]" << endl;
// finish // finish
} }
// global insertion operator - TODO // global insertion operator
std::ostream& operator<<(std::ostream& os, const Matrix& rhs){ std::ostream& operator<<(std::ostream& os, const Matrix& rhs){
rhs.out(os); rhs.out(os);
return os; return os;