From 7f797957aa1730f08e0330e3bc71636e6f2dc750 Mon Sep 17 00:00:00 2001
From: Ben Skuppin <skuppinbe100600@th-nuernberg.de>
Date: Mon, 17 Nov 2025 13:27:23 +0100
Subject: [PATCH] addmatrix fertig Testdatei PASS

---
 matrix.c | 45 ++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 44 insertions(+), 1 deletion(-)

diff --git a/matrix.c b/matrix.c
index b0c4786..bfc9173 100644
--- a/matrix.c
+++ b/matrix.c
@@ -45,7 +45,50 @@ MatrixType getMatrixAt(const Matrix matrix, unsigned int rowIdx, unsigned int co
 
 Matrix add(const Matrix matrix1, const Matrix matrix2)
 {
-    return matrix1;
+    int matrixResultCols;
+
+    if(matrix1.cols <= matrix2.cols){
+        matrixResultCols = matrix2.cols;
+    }
+    else{
+        matrixResultCols = matrix1.cols;
+    }
+
+    Matrix result = createMatrix(matrix1.rows, matrixResultCols);
+
+    if(matrix1.rows != matrix2.rows){
+
+        result.buffer = NULL;
+        result.rows = 0;
+        result.cols = 0;
+        return result;
+    }
+
+    if(matrix1.cols == matrix2.cols){
+        for(int i = 0; i < matrix1.rows; i++){
+           for(int j = 0; j < matrix1.cols; j++){
+              *(result.buffer + (matrix1.cols * i + j)) = *(matrix1.buffer + (matrix1.cols * i + j)) + *(matrix2.buffer + (matrix2.cols * i + j)) ;
+            }
+        }
+    }
+
+    if((matrix1.cols ==1 && matrix2.cols != 1)){
+       for(int i = 0; i < matrix2.rows; i++){
+          for(int j = 0; j < matrix2.cols; j++){
+              *(result.buffer + (result.cols * i + j)) = *(matrix2.buffer + (matrix2.cols * i + j)) + *(matrix1.buffer + i);
+           }
+        }
+    }
+
+   if((matrix2.cols == 1 && matrix1.cols != 1)){
+       for(int i = 0; i < matrix1.rows; i++){
+           for(int j = 0; j < matrix1.cols; j++){
+               *(result.buffer + (result.cols * i + j)) = *(matrix1.buffer + (matrix1.cols * i + j)) + *(matrix2.buffer + i);
+           }
+       }
+   }
+
+    return result;
 }
 
 Matrix multiply(const Matrix matrix1, const Matrix matrix2)