start working on C++ implementation

.gitignore

@@ -1 +1,49 @@
-qdtest/*
+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+
+# Fortran module files
+*.mod
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+
+# Executables
+*.exe
+*.out
+*.app
+
+# cmake
+CMakeCache.txt
+CMakeFiles
+CMakeScripts
+Makefile
+cmake_install.cmake
+install_manifest.txt
+
+# build directory
+build
+
+# archives
+*src.tar.[gx]z
+*pkg.tar.[gx]z
+src
+pkg
+*.deb
+
+# clion settings
+.idea