ADD: new track message, Entity class and Position class

libs/eigen/bench/btl/cmake/FindBlitz.cmake

@@ -0,0 +1,40 @@
+# - Try to find blitz lib
+# Once done this will define
+#
+#  BLITZ_FOUND - system has blitz lib
+#  BLITZ_INCLUDES - the blitz include directory
+#  BLITZ_LIBRARIES - The libraries needed to use blitz
+
+# Copyright (c) 2006, Montel Laurent, <montel@kde.org>
+# Copyright (c) 2007, Allen Winter, <winter@kde.org>
+# Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr>
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+# include(FindLibraryWithDebug)
+
+if (BLITZ_INCLUDES AND BLITZ_LIBRARIES)
+  set(Blitz_FIND_QUIETLY TRUE)
+endif ()
+
+find_path(BLITZ_INCLUDES
+  NAMES
+  blitz/array.h
+  PATH_SUFFIXES blitz*
+  PATHS
+  $ENV{BLITZDIR}/include
+  ${INCLUDE_INSTALL_DIR}
+)
+
+find_library(BLITZ_LIBRARIES
+  blitz
+  PATHS
+  $ENV{BLITZDIR}/lib
+  ${LIB_INSTALL_DIR}
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Blitz DEFAULT_MSG
+                                  BLITZ_INCLUDES BLITZ_LIBRARIES)
+
+mark_as_advanced(BLITZ_INCLUDES BLITZ_LIBRARIES)