Fix broken iteration in matrix class

src/matrix.h

 #ifndef __MATRIX_H__
 #define __MATRIX_H__
-#include <vector>
 #include <iostream>
+#include <vector>
 
 namespace magic {
 using std::vector;
@@ -9,7 +9,7 @@ namespace magic {
 // This is a custom Matrix type to allow for matrix multiplication
 class Matrix {
   public:
-		Matrix(uint8_t rows, uint8_t columns) {
+    Matrix(uint32_t rows, uint32_t columns) {
         this->_rows = rows;
         this->_columns = columns;
         this->entries.assign(rows, vector<int32_t>(columns, 0));
@@ -19,9 +19,7 @@ namespace magic {
         entries[i][j] = value;
     }
 
-		int32_t getValue(uint8_t i, uint8_t j) {
-			return entries[i][j];
-		}
+    int32_t getValue(uint8_t i, uint8_t j) { return entries[i][j]; }
 
     // Calculate the matrix product with another matrix
     Matrix multiply(Matrix& other) {
@@ -29,10 +27,12 @@ namespace magic {
         Matrix result(this->_rows, other._columns);
 
         // Calculate all entries in the resulting matrix
-			for (uint8_t r = 0; r < this->_rows; r++) {
-				for (uint8_t c = 0; c < other._columns; c++) {
-					for (uint8_t link = 0; link < this->_columns; link++) {
-						int32_t res = result.getValue(r, c) + this->getValue(r, link) * other.getValue(link, c);
+        for (uint32_t r = 0; r < this->_rows; r++) {
+            for (uint32_t c = 0; c < other._columns; c++) {
+                for (uint32_t link = 0; link < this->_columns; link++) {
+                    int32_t res =
+                        result.getValue(r, c) +
+                        this->getValue(r, link) * other.getValue(link, c);
                     result.setValue(r, c, res);
                 }
             }
@@ -56,10 +56,10 @@ namespace magic {
     }
 
   private:
-		uint8_t _rows;
-		uint8_t _columns;
+    uint32_t _rows;
+    uint32_t _columns;
     vector<vector<int32_t>> entries;
 };
-}
+} // namespace magic
 
 #endif