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["Max" <>]

Hello Peter,

Thank you for your further information.
So, for Nef_polyhedron_3, there's an extra means to 
check the kernel type at runtime.

B/Rgds
Max

>Hi Max,
>
>it is not necessary to put this into the Kernel_traits, since only Nef
>polyhedra use extended kernels. The class Nef_polyhedron_3 has static
>functions
>
>bool is_standard_kernel()
>bool is_extended_kernel()
>
>Also the type 
>
>CGAL::Is_extended_kernel<Kernel>
>
>evaluates to Tag_true or Tag_false depending on the given Kernel. If
>Is_extended_kernel is not known, then include CGAL/Is_extended_kernel.h.
>
>Peter
>
>On Sun, 2008-02-17 at 12:44 +0800, Max wrote:
>> Hi,
>> 
>> I hope I could determine the type of a Kernel type at either compile time 
>> or runtime.
>> I guess the relevant stuff would be in Kernel_traits, but I'm wrong.
>> And I could not found such function or traits template to meet my need.
>> 
>> Thanks for any help.
>> 
>> B/Rgds
>> Max
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