matrix fertig

matrix.c

@@ -5,31 +5,61 @@
 // TODO Matrix-Funktionen implementieren
 
 Matrix createMatrix(unsigned int rows, unsigned int cols)
-{
+{   
-    
+    Matrix matrix;
+    matrix.rows = rows;
+    matrix.cols = cols;
+
+    matrix.data = (MatrixType *)malloc(rows* cols* sizeof(MatrixType));
+
+    if(matrix.data == NULL){
+
+        matrix.rows = 0;
+        matrix.cols = 0;
+        
+        return matrix;
+    }
+
+    for (int i = 0; i < rows; i++)
+    {
+        for (int j = 0; j < cols; j++)
+        {
+            matrix.data[i * matrix.cols + j] = UNDEFINED_MATRIX_VALUE;
+        }
+    }
 }
 
 void clearMatrix(Matrix *matrix)
 {
+    if(matrix->data != NULL)
+    {
+        free(matrix->data);
+        matrix->data = NULL;
+    }
+
+    matrix->rows = 0;
+    matrix->cols =0;
     
 }
 
 void setMatrixAt(MatrixType value, Matrix matrix, unsigned int rowIdx, unsigned int colIdx)
 {
-    
+    if(rowIdx >= matrix.rows || colIdx >= matrix.cols)
+    {
+        fprintf(stderr, "Fehler: Ungültiger Index (%u, %u) bei Matrixgröße %u x %u\n", rowIdx, colIdx, matrix.rows, matrix.cols);
+    }
+
+    matrix.data[rowIdx * matrix.cols +colIdx] = value;
 }
 
 MatrixType getMatrixAt(const Matrix matrix, unsigned int rowIdx, unsigned int colIdx)
 {
-    
 }
 
 Matrix add(const Matrix matrix1, const Matrix matrix2)
 {
-    
 }
 
 Matrix multiply(const Matrix matrix1, const Matrix matrix2)
 {
-    
 }

matrix.h

@@ -7,6 +7,13 @@ typedef float MatrixType;
 
 // TODO Matrixtyp definieren
 
+typedef struct Matrix {
+    unsigned int rows;
+    unsigned int cols;
+    MatrixType *data;
+}   Matrix;
+
+
 
 Matrix createMatrix(unsigned int rows, unsigned int cols);
 void clearMatrix(Matrix *matrix);