loading cache ./config.cache checking for c++... (cached) c++ checking whether the C++ compiler (c++ ) works... yes checking whether the C++ compiler (c++ ) is a cross-compiler... no checking whether we are using GNU C++... (cached) yes checking whether c++ accepts -g... (cached) yes checking how to run the C++ preprocessor... (cached) c++ -E checking if include file is valid... yes checking if library is valid... yes checking if INTERVAL can be initialized with integer... yes checking if INTERVAL has +... yes checking if INTERVAL has -... yes checking if INTERVAL has *... yes checking if INTERVAL has /... yes checking if INTERVAL has unary +... yes checking if INTERVAL has unary -... yes checking if INTERVAL has pow(INTERVAL,int)... yes checking if INTERVAL has pow(INTERVAL,INTERVAL)... yes checking if INTERVAL has exp(INTERVAL)... yes checking if INTERVAL has log(INTERVAL)... yes checking if INTERVAL has sqrt(INTERVAL)... yes checking if INTERVAL has sqr(INTERVAL)... yes checking if INTERVAL has sin(INTERVAL)... yes checking if INTERVAL has cos(INTERVAL)... yes checking if INTERVAL has tan(INTERVAL)... yes checking if INTERVAL has asin(INTERVAL)... yes checking if INTERVAL has acos(INTERVAL)... yes checking if INTERVAL has atan(INTERVAL)... yes checking if INTERVAL has == operator... yes checking if INTERVAL has != operator... yes checking if INTERVAL has > operator... no checking if INTERVAL has >= operator... no checking if INTERVAL has < operator... yes checking if INTERVAL has <= operator... yes checking if INTERVAL has += operator... yes checking if INTERVAL has -= operator... yes checking if INTERVAL has *= operator... yes checking if INTERVAL has /= operator... yes checking for Ansi C++ lifetime of temporaries... yes creating ./config.status creating Makefile creating test/Makefile creating examples/report/Makefile creating examples/newton/Makefile creating config.h config.h is unchanged