diff --git a/src/simpleFile.cpp b/src/simpleFile.cpp
new file mode 100644
index 0000000..9d1991a
--- /dev/null
+++ b/src/simpleFile.cpp
@@ -0,0 +1,38 @@
+#include <armadillo>
+
+arma::vec* general_algorithm(
+    arma::vec* sub_diag,
+    arma::vec* main_diag,
+    arma::vec* sup_diag,
+    arma::vec* g_vec
+)
+{
+
+}
+
+
+arma::vec* special_algorithm(
+    double sub_sig,
+    double main_sig,
+    double sup_sig,
+    arma::vec* g_vec
+)
+{
+
+}
+
+arma::vec* error(
+    arma::vec* v_vec,
+    arma::vec* a_vec
+)
+{
+
+}
+
+double time() {
+
+}
+
+int main() {
+
+}