// Copyright John Maddock 2011. // Use, modification and distribution are subject to the // Boost Software License, Version 1.0. (See accompanying file // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) #include int main() { #if EIGEN_VERSION_AT_LEAST(3, 3, 0) #else #error "Obsolete Eigen" #endif return 0; }