void multiplication_interface(){
/* Interface to calculate matrix multiplication */
int matrix1_rows, matrix1_columns, matrix2_rows, matrix2_columns;
printf("Matrix 1 number of rows have to be equal to matrix 2 number of columns.");
printf("Insert how many lines matrix 1 have: ");
scanf("%d", &matrix1_rows);
printf("Insert how many columns matrix 1 have: ");
scanf("%d", &matrix1_columns);
printf("\nInsert how many lines matrix 2 have: ");
scanf("%d", &matrix2_rows);
printf("Insert how many columns matrix 2 have: ");
scanf("%d", &matrix2_columns);
bool check_matrix = verify(1, matrix1_rows, matrix1_columns, matrix2_rows, matrix2_columns);
if(check_matrix == true){
int i, j;
float item;
printf("\nThe result will be %dx%d\n", matrix1_rows, matrix2_columns);
printf("MATRIX 1 (%dx%d)\n", matrix1_rows, matrix1_columns);
double (**matrix1) = createNewMatrix(matrix1_rows, matrix1_columns);
printf("\nMATRIX 2 (%dx%d)\n", matrix2_rows, matrix2_columns);
double (**matrix2) = createNewMatrix(matrix2_rows, matrix2_columns);
printf("The result matrix is:\n");
double (**result) = matricial_multiplication(matrix1, matrix2, matrix1_rows, matrix1_columns, matrix2_rows, matrix2_columns);
print_matrix(matrix1_rows, matrix2_columns, result);
}else{
printf("There is an error with your input data.\nCheck them please.\n");
}
}
void sum_interface(int type){
/*
* Interface to add or subtract matrices.
* - Type 0 --> Add
* - Type 1 --> Subtract
*
*/
int rows, columns;
printf("Insert how many lines your matrix have: ");
scanf("%d", &rows);
printf("Inert how many columns your matrix have: ");
scanf("%d", &columns);
bool check_matrix = verify(0, rows, columns, 0, 0);
if(check_matrix == true){
int i, j;
float item;
printf("\nInsert item %dx%d of matrix 1\n", rows, columns);
double (**matrix1) = createNewMatrix(rows, columns);
printf("\nInsert item %dx%d of matrix 2\n", rows, columns);
double (**matrix2) = createNewMatrix(rows, columns);
printf("The result matrix is:\n");
double (**result) = sum_matrices(matrix1, matrix2, rows, columns, type);
print_matrix(rows, columns, result);
}else{
printf("There is an error with your input data.\nCheck them please.\n");
}
}
MatrixSelector::MatrixSelector(QWidget *parent) : QWidget(parent) {
setupUi(this);
_newMatrix->setIcon(QIcon(":/kst_matrixnew.png"));
_editMatrix->setIcon(QIcon(":/kst_matrixedit.png"));
_provideNoneMatrix = false;
update();
connect(_matrix, SIGNAL(activated(const QString&)), this, SIGNAL(selectionChanged(const QString&)));
connect(this, SIGNAL(selectionChanged(QString)), this, SLOT(selectionWatcher(QString)));
connect(_editMatrix, SIGNAL(clicked()), this, SLOT(editMatrix()));
connect(_newMatrix, SIGNAL(clicked()), this, SLOT(createNewMatrix()));
}
/* Interactive interface */
void determinant_interface(){
/* Interface to calculate determinant */
int size;
printf("Insert how many line/columns your matrix have: ");
scanf("%d", &size);
bool check_matrix = verify(2, size, size, 0, 0);
if(check_matrix = true){
double (**matrix) = createNewMatrix(size, size);
print_matrix(size, size, matrix);
double det = determinant(matrix, size);
printf("\nThe determinant is: %lf\n", det);
}else{
printf("There is an error with your input data.\nCheck them please.\n");
}
}
void transpose_interface(){
int rows, columns;
printf("Insert how many lines your matrix have: ");
scanf("%d", &rows);
printf("Inert how many columns your matrix have: ");
scanf("%d", &columns);
bool check_matrix = verify(2, rows, columns, 0, 0);
if(check_matrix == true){
int i, j;
float item;
double (**matrix) = createNewMatrix(rows, columns);
double (**result) = transpose(matrix, rows, columns);
print_matrix(columns, rows, result);
}else{
printf("There is an error with your input data.\nCheck them please.\n");
}
}
void inverse_interface(){
int size;
printf("Insert how many line/columns your matrix have: ");
scanf("%d", &size);
bool check_matrix = verify(0, size, size, 0, 0);
if(check_matrix == true){
double (**matrix) = createNewMatrix(size, size);
if(determinant(matrix, size) != 0.0){
double (**result) = inverse_matrix(matrix, size);
printf("The inverse matrix is:\n");
print_matrix(size, size, result);
}else{
printf("Your matrix do not have an inverse\n");
}
}else{
printf("There is an error with your input data.\nCheck them please.\n");
}
}
void scalar_multiplication_interface(){
int rows, columns;
float scalar;
printf("Type the scalar number: ");
scanf("%f", &scalar);
printf("Insert how many lines your matrix have: ");
scanf("%d", &rows);
printf("Inert how many columns your matrix have: ");
scanf("%d", &columns);
bool check_matrix = verify(2, rows, columns, 0, 0);
if(check_matrix == true){
int i, j;
float item;
double (**matrix) = createNewMatrix(rows, columns);
double (**result) = scalar_multiplication(matrix, rows, columns, scalar);
print_matrix(rows, columns, result);
}else{
printf("There is an error with your input data.\nCheck them please.\n");
}
}
