diff --git a/Snap_rounding_2/test/Snap_rounding_2/test.C b/Snap_rounding_2/test/Snap_rounding_2/test.cpp
similarity index 100%
rename from Snap_rounding_2/test/Snap_rounding_2/test.C
rename to Snap_rounding_2/test/Snap_rounding_2/test.cpp