Merge remote-tracking branch 'origin/main'

Startcode/matrix.c

@@ -63,14 +63,18 @@ MatrixType getMatrixAt(const Matrix matrix,
 // Zwei Matrizen addieren
 Matrix add(const Matrix matrix1, const Matrix matrix2)
 {
+    // Dimensionen und Buffer überprüfen
     if (matrix1.rows != matrix2.rows ||
         matrix1.cols != matrix2.cols ||
+        matrix1.rows == 0 ||
+        matrix1.cols == 0 ||
         matrix1.buffer == NULL ||
         matrix2.buffer == NULL)
     {
         return createMatrix(0, 0);
     }
 
+    // Ergebnismatrix erstellen
     Matrix result = createMatrix(matrix1.rows, matrix1.cols);
 
     if (result.buffer == NULL)
@@ -78,21 +82,18 @@ Matrix add(const Matrix matrix1, const Matrix matrix2)
         return result;
     }
 
-    for (unsigned int i = 0; i < matrix1.rows; i++)
-    {
-        for (unsigned int j = 0; j < matrix1.cols; j++)
-        {
-            MatrixType value =
-                getMatrixAt(matrix1, i, j) +
-                getMatrixAt(matrix2, i, j);
+    // Matrizen elementweise addieren
+    unsigned int size = matrix1.rows * matrix1.cols;
 
-            setMatrixAt(value, result, i, j);
-        }
+    for (unsigned int i = 0; i < size; i++)
+    {
+        result.buffer[i] = matrix1.buffer[i] + matrix2.buffer[i];
     }
 
     return result;
 }
 
+
 // Zwei Matrizen multiplizieren
 Matrix multiply(const Matrix matrix1, const Matrix matrix2)
 {
@@ -123,6 +124,7 @@ Matrix multiply(const Matrix matrix1, const Matrix matrix2)
             }
 
             setMatrixAt(sum, result, i, j);
+
         }
     }