minor formatting

CMakeLists.txt

@@ -72,7 +72,7 @@ include(cmake/HandleCCache.cmake)           # ccache
 include(cmake/HandleCPack.cmake)            # CPack
 include(cmake/HandleEigen.cmake)            # Eigen3
 include(cmake/HandleMetis.cmake)            # metis
-include(cmake/HandleCephes.cmake)            # cephes
+include(cmake/HandleCephes.cmake)           # cephes
 include(cmake/HandleMKL.cmake)              # MKL
 include(cmake/HandleOpenMP.cmake)           # OpenMP
 include(cmake/HandlePerfTools.cmake)        # Google perftools

gtsam/3rdparty/cephes/cephes/cephes_names.h

@@ -73,7 +73,7 @@
 #define psi cephes_psi
 #define rgamma cephes_rgamma
 #define riemann_zeta cephes_riemann_zeta
-// #define round cephes_round
+// #define round cephes_round  // Commented out since it clashes with std::round
 #define shichi cephes_shichi
 #define sici cephes_sici
 #define radian cephes_radian