big internal rework

src/IO.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <string>
+
+class Matrix;
+class Vect;
+class VectAffine;
+
+std::ostream& operator<<(std::ostream& stream, const Matrix& mat);
+std::istream& operator>>(std::istream& stream, Matrix& mat);
+
+Matrix LoadMatrix(const std::string& fileName);
+void SaveMatrix(const Matrix& mat, const std::string& fileName);
+
+Matrix InsertMatrix();
+
+void Print(const Matrix& mat);
+void Print(const Vect& vect);
+void Print(const VectAffine& vect);