CGAL users discussion list

[Joachim Reichel <>]

Hi,

> I'm running on Mac OS X 10.6.5 Intel Core 2 Duo (64-bit) and I'm compiling
> with g++ 4.2.1. Boost has been downloaded following the link provided in
> the CGAL installation manual and the version is 1.40.0.
> I'm also attaching the hw_rounding.hpp lines.
> Thanks
> 
> 
> #ifndef BOOST_NUMERIC_INTERVAL_HW_ROUNDING_HPP
> #define BOOST_NUMERIC_INTERVAL_HW_ROUNDING_HPP
> #include <boost/numeric/interval/rounding.hpp>
> #include <boost/numeric/interval/rounded_arith.hpp>
> 
> #define BOOST_NUMERIC_INTERVAL_NO_HARDWARE
> 
> // define appropriate specialization of rounding_control for built-in types
> #if defined(__x86_64__) && defined(__USE_ISOC99)
> #  include <boost/numeric/interval/detail/c99_rounding_control.hpp>

looking at the conditions of this include it seems that __USE_ISOC99 is not
defined. Can you try the compiler option -std=c99 ?

Joachim

> #elif defined(__i386__) || defined(_M_IX86) || defined(__BORLANDC__) ||
> defined(_M_X64
> )
> #  include <boost/numeric/interval/detail/x86_rounding_control.hpp>
> #elif defined(powerpc) || defined(__powerpc__) || defined(__ppc__)
> #  include <boost/numeric/interval/detail/ppc_rounding_control.hpp>#elif
> defined(sparc) || defined(__sparc__)
> #  include <boost/numeric/interval/detail/sparc_rounding_control.hpp>
> #elif defined(alpha) || defined(__alpha__)
> #  include <boost/numeric/interval/detail/alpha_rounding_control.hpp>
> #elif defined(ia64) || defined(__ia64) || defined(__ia64__)
> #  include <boost/numeric/interval/detail/ia64_rounding_control.hpp>
> #endif
> 
> #if defined(BOOST_NUMERIC_INTERVAL_NO_HARDWARE) && (defined(__USE_ISOC99)
> || defined(_
> _MSL__))
> #  include <boost/numeric/interval/detail/c99_rounding_control.hpp>
> #endif
> 
> #if defined(BOOST_NUMERIC_INTERVAL_NO_HARDWARE)
> #  undef BOOST_NUMERIC_INTERVAL_NO_HARDWARE
> #  error Boost.Numeric.Interval: Please specify rounding control mechanism.
> #endif
> 
> namespace boost {
> namespace numeric {
> namespace interval_lib {
> 
> /*
>  * Three specializations of rounded_math<T>
>  */
> 
> template<>
> struct rounded_math<float>
>   : save_state<rounded_arith_opp<float> >
> {};
> 
> template<>
> struct rounded_math<double>
>   : save_state<rounded_arith_opp<double> >
> {};
> 
> template<>
> struct rounded_math<long double>
>   : save_state<rounded_arith_opp<long double> >
> {};
> 
> } // namespace interval_lib
> } // namespace numeric
> } // namespace boost
> 
> #endif // BOOST_NUMERIC_INTERVAL_HW_ROUNDING_HPP
> 
> 
> 
> 
> 
> 
> Hi,
> 
> On 02/22/2011 05:57 PM, 
> 
>  wrote:
> Conversely if I compile the examples I have the following error for
> "algebraic_curves":
> 
> In file included from /usr/local/include/boost/numeric/interval.hpp:18,
>                 from
> /CGAL3.7/examples/Arrangement_on_surface_2/../../include/CGAL/Algebraic_kernel_d/Interval_evaluate_1.h:30,
>                 from
> /CGAL3.7/examples/Arrangement_on_surface_2/../../include/CGAL/Algebraic_kernel_d_1.h:41,
>                 from
> /CGAL-3.7/examples/Arrangement_on_surface_2/../../include/CGAL/Arr_algebraic_segment_traits_2.h:25,
>                 from
> /CGAL-3.7/examples/Arrangement_on_surface_2/algebraic_curves.cpp:14:
> /usr/local/include/boost/numeric/interval/hw_rounding.hpp:40:4: error:
> #error Boost.Numeric.Interval: Please specify rounding control mechanism.
> make[3]: ***
> [examples/Arrangement_on_surface_2/CMakeFiles/algebraic_curves.dir/algebraic_curves.o]
> Error 1
> make[2]: ***
> [examples/Arrangement_on_surface_2/CMakeFiles/algebraic_curves.dir/all]
> Error 2
> make[1]: *** [CMakeFiles/examples.dir/rule] Error 2
> make: *** [examples] Error 2
> Any suggestions?
> Thank you in advance!
> 
> it would be nice if you would include some important information, like which
> linux distribution you are using, 32 or 64bit, compiler and version, Boost
> version. And please attach the first ~45 lines of
> /usr/local/include/boost/numeric/interval/hw_rounding.hpp.
> 
> Joachim
> 
>