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["Laurent Rineau (GeometryFactory)" <>]

Le mercredi 22 juin 2011 09:17:44, sara Samadi a écrit :
> I havent test your idea yet, but i think it is not important for compiler
> that initialization is in or out of for loop because the compiler
> translate the statement (CGAL::Random random) only one time. 

The compiler can optimize and do the memory allocation only once. *But* the 
compiler must execute the content of the constructor of Random, and thus 
reinitialize the variable, at every iteration of the loop. Have a look at the 
constructor of Random, and you will understand why it differs!

-- 
Laurent Rineau, PhD
Release Manager of the CGAL Project       http://www.cgal.org/
R&D Engineer at GeometryFactory           http://www.geometryfactory.com/