diff --git a/QP_solver/examples/QP_solver/data_to_mps.C b/QP_solver/examples/QP_solver/data_to_mps.cpp
similarity index 100%
rename from QP_solver/examples/QP_solver/data_to_mps.C
rename to QP_solver/examples/QP_solver/data_to_mps.cpp
diff --git a/QP_solver/examples/QP_solver/double_qp_solver.C b/QP_solver/examples/QP_solver/double_qp_solver.cpp
similarity index 100%
rename from QP_solver/examples/QP_solver/double_qp_solver.C
rename to QP_solver/examples/QP_solver/double_qp_solver.cpp
diff --git a/QP_solver/examples/QP_solver/integer_qp_solver.C b/QP_solver/examples/QP_solver/integer_qp_solver.cpp
similarity index 100%
rename from QP_solver/examples/QP_solver/integer_qp_solver.C
rename to QP_solver/examples/QP_solver/integer_qp_solver.cpp
diff --git a/QP_solver/examples/QP_solver/qp_solver1.C b/QP_solver/examples/QP_solver/qp_solver1.cpp
similarity index 100%
rename from QP_solver/examples/QP_solver/qp_solver1.C
rename to QP_solver/examples/QP_solver/qp_solver1.cpp
diff --git a/QP_solver/examples/QP_solver/qp_solver2.C b/QP_solver/examples/QP_solver/qp_solver2.cpp
similarity index 100%
rename from QP_solver/examples/QP_solver/qp_solver2.C
rename to QP_solver/examples/QP_solver/qp_solver2.cpp
diff --git a/QP_solver/examples/QP_solver/rational_qp_solver.C b/QP_solver/examples/QP_solver/rational_qp_solver.cpp
similarity index 100%
rename from QP_solver/examples/QP_solver/rational_qp_solver.C
rename to QP_solver/examples/QP_solver/rational_qp_solver.cpp