Added CMakeLists.txt

Author: Dominic Marcello

CMakeLists.txt~

@@ -0,0 +1,9 @@
+
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -O3 -march=native")
+
+add_executable( fmm_test
+	src/main.cpp
+	src/multipole.cpp
+	src/expansion.cpp
+)
+

LICENSE~

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+
+-----------------------------------------------------
+    Copyright (c) 2016 Dominic C. Marcello
+-----------------------------------------------------
+
+
+This code will compile under g++ using the command:
+
+g++ *.cpp -std=c++11
+
+
+NOTE: To enable the angular momentum conservation feature, define "CORRECTION_ON". To enable the optimized version of the correction, 
+define "CORRECTION_ON" and "CORRECTION_OPTIMIZE." See defs.hpp.