From ad9a44673c3b3c28143fff058427c6e160386d94 Mon Sep 17 00:00:00 2001
From: silvana884 <sil.gosewehr@gmail.com>
Date: Sun, 16 Nov 2025 18:46:46 +0100
Subject: [PATCH] Compilermeldungen versucht, zu beheben

---
 matrix.c | 63 +++++++++++++++++++++++++++++++-------------------------
 matrix.h |  4 ++--
 2 files changed, 37 insertions(+), 30 deletions(-)

diff --git a/matrix.c b/matrix.c
index 837251e..ce3dfd9 100644
--- a/matrix.c
+++ b/matrix.c
@@ -6,42 +6,48 @@
 
 Matrix createMatrix(unsigned int rows, unsigned int cols)
 {
-  int size = rows * cols;
-  MatrixType *speicherbereich;
-  speicherbereich = (MatrixType *)calloc(size, sizeof(MatrixType) * size);
-  Matrix matrix = {rows, cols, &speicherbereich};
-  return matrix;
+    Matrix matrix;
+    matrix.rows = rows;
+    matrix.cols = cols;
+    matrix.buffer = malloc(rows * cols * sizeof(MatrixType));
+
+    for (int i = 0; i < (rows * cols); i++)
+        matrix.buffer[i] = 0;
+
+    return matrix;
 }
 
+
+
 void clearMatrix(Matrix *matrix)
 {
-  int rows = rows(*matrix);
-  int cols = cols(*matrix);
-    for(int i = 0; i < rows; i++)
+  int rowsM = matrix->rows;
+  int colsM = matrix->cols;
+    for(int i = 0; i < rowsM; i++)
     {
-      for(int j = 0; j < cols; j++)
+      for(int j = 0; j < colsM; j++)
       {
-        setMatrixAt(0, matrix, i, j);
+        matrix->buffer[i * colsM + j] = 0;
       }
     }
 }
 
-void setMatrixAt(Matrix matrix, unsigned int rowIdx, unsigned int colIdx, MatrixType value)
+void setMatrixAt(MatrixType value, Matrix matrix, unsigned int rowIdx, unsigned int colIdx)
 {
-    matrix->data[rowIdx * matrix->cols + colIdx] = value;
+    matrix.buffer[rowIdx * matrix.cols + colIdx] = value;
 }
 
 MatrixType getMatrixAt(const Matrix matrix, unsigned int rowIdx, unsigned int colIdx)
 {
-    return matrix->data[rowIdx * matrix->cols + colIdx];
+    return matrix.buffer[rowIdx * matrix.cols + colIdx];
 }
 
 Matrix add(const Matrix matrix1, const Matrix matrix2)
 {
-    rows1 = rows(matrix1);
-    rows2 = rows(matrix2);
-    cols1 = cols(matrix1);
-    cols2 = cols(matrix2);
+    int rows1 = rows(matrix1);
+    int rows2 = rows(matrix2);
+    int cols1 = cols(matrix1);
+    int cols2 = cols(matrix2);
     if((rows1 == 1 || rows2 == 1) && cols1 == cols2) //Broadcasting
     {
         if(rows1 == 1)      //Wenn die erste Matrix der Vektor ist
@@ -69,20 +75,20 @@ Matrix add(const Matrix matrix1, const Matrix matrix2)
       return addition;
     }
     else{
-      return 0;
+      return createMatrix(0,0);
     }
 }
 
 Matrix broadcasting(const Matrix vektor, const Matrix matrix)
   {
-      int rows = rows(matrix);
-      int cols = cols(matrix);
-      Matrix result = createMatrix(rows, cols);
+      int rowsM = rows(matrix);
+      int colsM = cols(matrix);
+      Matrix result = createMatrix(rowsM, colsM);
       MatrixType wert;
       MatrixType koordinate;
-      for(int i = 0; i < rows; i++)
+      for(int i = 0; i < rowsM; i++)
         {
-        for(int j = 0; j < cols; j++){
+        for(int j = 0; j < colsM; j++){
           wert = getMatrixAt(matrix, i, j);
           koordinate = getMatrixAt(vektor, j, 0);
           setMatrixAt((koordinate + wert), result, i, j);
@@ -98,7 +104,7 @@ Matrix multiply(const Matrix matrix1, const Matrix matrix2)
      int rows2 = rows(matrix2);
      int cols2 = cols(matrix2);
      if(cols1 == rows2) //Bedingung fuer Multiplikation: Spalten der ersten Matrix gleich Zeilen 2. Matrix
-       {
+     {
          Matrix result = createMatrix(rows1, cols2);
          MatrixType wert1;
          MatrixType wert2;
@@ -117,18 +123,19 @@ Matrix multiply(const Matrix matrix1, const Matrix matrix2)
             }
             setMatrixAt(add, result, i, k);
             add = 0;
+           }
          }
-       return result;
-       }
+         return result;
+     }
      return createMatrix(0,0);
 }
 
 int rows(const Matrix matrix)
 {
-   return matrix->rows;
+   return matrix.rows;
 }
 
 int cols(const Matrix matrix)
 {
-  return matrix->cols;
+  return matrix.cols;
 }
\ No newline at end of file
diff --git a/matrix.h b/matrix.h
index 0beec3b..7354a46 100644
--- a/matrix.h
+++ b/matrix.h
@@ -9,7 +9,7 @@ typedef float MatrixType;
 typedef struct{
   unsigned int rows;
   unsigned int cols;
-  MatrixType data[]; //Data wird in einem eindimensionalen Array gespeichert (Spalten und Reihen liegen ja im Speicher hintereinannder)
+  MatrixType *buffer; //Data wird in einem eindimensionalen Array gespeichert (Spalten und Reihen liegen ja im Speicher hintereinannder)
   } Matrix;
 
 
@@ -18,7 +18,7 @@ void clearMatrix(Matrix *matrix);
 void setMatrixAt(MatrixType value, Matrix matrix, unsigned int rowIdx, unsigned int colIdx);
 MatrixType getMatrixAt(const Matrix matrix, unsigned int rowIdx, unsigned int colIdx);
 Matrix add(const Matrix matrix1, const Matrix matrix2);
-Matrix broadcasintg(const Matrix matrix1, const Matrix matrix2);
+Matrix broadcasting(const Matrix matrix1, const Matrix matrix2);
 Matrix multiply(const Matrix matrix1, const Matrix matrix2);
 int rows(const Matrix matrix);
 int cols(const Matrix matrix);