diff --git a/.gitignore b/.gitignore
index 9bf3746..a51d839 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,6 @@
 compile_commands.json
+build/*
+.directory
+*.kdev4
+*.kate-swp
+*.x
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 49c25a8..a30faea 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,16 +2,23 @@ CMAKE_MINIMUM_REQUIRED(VERSION 3.10)
 
 PROJECT(gtest)
 
-FIND_PACKAGE(deal.II 9.2 REQUIRED
+list(APPEND CMAKE_PREFIX_PATH "/home/Arrow/opt")
+
+FIND_PACKAGE(deal.II 9.2.0 REQUIRED
 HINTS ${deal.II_DIR} ${DEAL_II_DIR} ../ ../../ $ENV{DEAL_II_DIR})
 
 DEAL_II_INITIALIZE_CACHED_VARIABLES()
 
-ADD_EXECUTABLE(gtest pythagoras.cc)
+
+
+
+ADD_EXECUTABLE(gtest source/main.cc source/point_tests.cc)
 FIND_PACKAGE(GTest)
 TARGET_LINK_LIBRARIES(gtest ${GTEST_LIBRARY})   
 INCLUDE_DIRECTORIES(${GTEST_INCLUDE_DIRS})
 ENABLE_TESTING()
 
+
+
 DEAL_II_SETUP_TARGET(gtest DEBUG)
-GTEST_DISCOVER_TESTS(gtest)
\ No newline at end of file
+GTEST_DISCOVER_TESTS(gtest)
diff --git a/source/main.cc b/source/main.cc
new file mode 100644
index 0000000..09f29e8
--- /dev/null
+++ b/source/main.cc
@@ -0,0 +1,8 @@
+#include <gtest/gtest.h>
+ 
+ 
+int main(int argc, char *argv[])
+{
+  testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}
diff --git a/pythagoras.cc b/source/point_tests.cc
similarity index 55%
rename from pythagoras.cc
rename to source/point_tests.cc
index 10d7acd..8bc1a2c 100644
--- a/pythagoras.cc
+++ b/source/point_tests.cc
@@ -26,10 +26,24 @@ TEST(Pythagoras, ScalarProduct)
   ASSERT_EQ(x * x, 25);
 }
 
+TEST(Pythagoras3, Norm)
+{
+  Point<3> x(20, 4, 5);
+  ASSERT_EQ(x.norm(), 21);
+}
+
+
+TEST(Pythagoras3, Distance)
+{
+  Point<3> x(21, 5, 6);
+  Point<3> y(1, 1, 1);
+  ASSERT_EQ(x.distance(y), 21);
+}
 
-int
-main(int argc, char *argv[])
+
+TEST(Pythagoras3, ScalarProduct)
 {
-  testing::InitGoogleTest(&argc, argv);
-  return RUN_ALL_TESTS();
+  Point<3> x(20, 4, 5);
+  ASSERT_EQ(x * x, 441);
 }
+