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-rw-r--r--libprakpp/include/prakmatrix.hpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/libprakpp/include/prakmatrix.hpp b/libprakpp/include/prakmatrix.hpp
index 87b38b4..53d3b4b 100644
--- a/libprakpp/include/prakmatrix.hpp
+++ b/libprakpp/include/prakmatrix.hpp
@@ -3,8 +3,8 @@
#include "prakcommon.hpp"
#include <cstring>
-#include <iomanip>
#include <ostream>
+#include <optional>
#include <vector>
namespace prak {